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Old June 22nd, 2013, 08:31 PM   #301 (permalink)
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Originally Posted by Tlicious1020 View Post
I was playing around with the stock browser settings today. I decided to select "dim screen during page loading." I wonder if this feature helps consume less battery power if you browse a lot like myself? Or would it be the equivalent of having auto-brightness turned on and the battery may take a settle hit?

I work in a building where the Sprint cell phone tower signal cannot penetrate in certain areas. I'll lose something like 15-20% with ny phone sitting there. I put my phone into power saver mode and I lose even less battery percentage.
NICE FIND on the "DIM SCREEN DURING PAGE LOADING" setting,I've never noticed it,or,heard mention of it.
I'm guessing it could save a bit of power,especially if pages are slow to load-up for whatever reason.

Ditto on the signal penetration @ work.My previous job only T-MOBILE had a decent signal indoors,a metal/concrete jungle if you will.

My current/new job is even worse,luckily the WI-FI network is decent & I can also utilize T-MOBILE's WI-FI calling.

My 1st full day @ the new job is this coming Monday.It'll be interesting to see how well the ONE's battery will hold up.I'm gonna leave everything set as I normally do to get an accurate battery life reading under the worse of conditions.Worse case scenario is that I'll need to use my MOPHIE-style battery case @ the end of the day.

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Old June 23rd, 2013, 04:20 AM   #302 (permalink)
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Wow,

Firstly, thanks for all the prompt feedback guys, it is truly appreciated and it's folks like you who make the Android community so awesome!

Tlicious1020 - I did try turning off the auto brightness a couple of weeks ago but I don't like dimming the screen too much and I had set it at 50% for 2 days to test it out but I found that when using the phone, the battery life depletion was more than having auto brightness enabled. I also maintain power saver mode all the time (unchecking the brightness option though)

EarlyMon - Thanks for tips, I noticed that a lot of the search results relating to the msm_hsic wake lock were of the Nexus 4. I did the 10 second power button reboot and I'll see how that goes. At my residence, I am always on Wi-Fi but I suppose that my work location could be a reason for poor signal, I do not have Wi-Fi there. I'll pay more attention to the GSam graph for battery against phone signal and also check the stats for phone signal. But wouldn't you say that the wake lock time for "main" at over 6 hours is not normal? I am using all the home screen panels and BlinkFeed, I have Google Keep and a Weather widget running, is that why "main" is so active?

Kolio - I usually end up with 10% at around 1800h or 1900h depending on how much I use the phone. I have tried scaling back a bit but as I said the drain seems to be constant but I always manage around 2.5 - 3.5 hours of screen on time before it hits 5%. I try not to leave the phone charging overnight but I do end up doing that occasionally when I get home late. So the charge time is either overnight from 2300h/0000h or from 20000h to 2300h and I have auto enabled Night Mode in Battery Widget Reborn from 2330h to 0630h.
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Old June 23rd, 2013, 04:41 AM   #303 (permalink)
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It's perfectly ok to leave it on the charger overnight if you prefer. Nothing bad will happen.

I wouldn't make guesses myself for the main wakelock. The way that things are tied together, anything is possible. But everything is causal. Let's see if we can eliminate things in turn.

Having lots of stuff syncing over 3G, especially if the signal is not great, will definitely add to the power draw. It's not uncommon to see network retries, services restarting and so forth when something is thirsty for data.
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Old June 23rd, 2013, 06:12 AM   #304 (permalink)
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Originally Posted by mpanju View Post


Is it feasible that he needs to try a factory reset and monitor what apps you add back to the phone?

And my brightness is set to around 75%-80%. I don't think 50% does this screen any justice at all. I just ensure it's not set so bright that your eyes have to adjust themselves to white backgrounds.
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Old June 23rd, 2013, 06:24 AM   #305 (permalink)
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Tlicious1020 - I'm going to give it a few days before I try a factory reset. I agree with a screen this gorgeous it'd be a shame to set the brightness so low. I never used the auto brightness for the Galaxy Nexus as I found it far too dim for my liking. Would you mind sharing data about your battery life? What sort of adjustments do you make to conserve battery life? Personally I'm not too sure that turning off Google Now has made much of a difference, for me anyway.
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Old June 23rd, 2013, 09:09 AM   #306 (permalink)
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Please monitor your phone with "GSam Battery Monitor"

https://play.google.com/store/apps/details?id=com.gsamlabs.bbm

After being left at night, hoover icon, lower left on main screen, then the title on the next screen is actually a drop-down menu, let's look for wakelocks.

Plus, we can trust the graphs.

How do I check what's keeping my Screen On/Awake at night? I downloaded the app, but am having difficulty following the instructions.

Thanks!
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Old June 23rd, 2013, 10:23 AM   #307 (permalink)
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How do I check what's keeping my Screen On/Awake at night? I downloaded the app, but am having difficulty following the instructions.

Thanks!
Certainly!

The first attached graph shows a very well-behaved phone with respect to apps and being awake. **Most feeds are off.**

Note that when the screen is off the phone is not active, other than occasional blips - that's likely my email syncing. If I zoom in more a few more insignificant blips show it awake a little more, but nothing to be concerned about.

The second graph shows the same thing but with something waking the phone constantly. In extreme cases, the awake time degrades the battery curve badly and that's when you need to care.

Charge your phone, take it off the charger, start Gsam, tap back to home, turn your screen off, let it sit for say about two hours.

Check the graphs. If there's an issue, finding it is the next step.

Lower left of the main screen is a hoover, tap it to see what's sucking power.

Title on the next page is a drop down menu.

Get the option to show time held awake.

The resulting list will be your suspects, worse ones at the top. If they aren't obvious, please share those screen shots. From there we can look at the wakelocks next as needed.

Let me know if I'm making sense or not.
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Old June 23rd, 2013, 12:10 PM   #308 (permalink)
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I've never gotten great battery life with my HTC phones. I have just gotten an s4 for work recently. The battery life is unreal good. I like everything about the HTC one better than the s4...but the s4 battery life is so good I would consider trading just for that.

I have to charge my one 2-3 times a day.
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Old June 23rd, 2013, 12:33 PM   #309 (permalink)
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I've never gotten great battery life with my HTC phones. I have just gotten an s4 for work recently. The battery life is unreal good. I like everything about the HTC one better than the s4...but the s4 battery life is so good I would consider trading just for that.

I have to charge my one 2-3 times a day.
Hopefully a configuration issue, and hopefully Gsam can help you.

I've had great battery life on HTCs since 2011, except when facing radio issues.
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Old June 23rd, 2013, 03:12 PM   #310 (permalink)
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I've had great battery life on HTCs since 2011, except when facing radio issues.
Ditto. My HOXL (which has LTE) from last year only gets really bad battery life when I am in an area of poor cell reception, and then the top wakelock can be attributed to looking for signal
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Old June 23rd, 2013, 04:17 PM   #311 (permalink)
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Default does Settings>Power>Usage only display info for lifetime of battery (not current day or month)?

I have an HTC One, not sure which version of android that runs. When I go to settings > power > usage, I am given a screen showing the percent of each app that has contributed to overall battery drain, in addition to phone idle and other system contributions.

As far as I know, there is no details whatsoever on the timeframe this represents so I'm left to guess that it's for the lifetime of the phone. Is there a way to get details for like the current day, or perhaps for the month? Does what I'm saying make sense?
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Old June 23rd, 2013, 06:27 PM   #312 (permalink)
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To the best of my knowledge, those percentages are actually the amount of power each app has used since you last unplugged your phone, or since the last time you recharged to full, not the amount it has used over the life of the phone.
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Old June 23rd, 2013, 09:13 PM   #313 (permalink)
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Tlicious1020 - I'm going to give it a few days before I try a factory reset. I agree with a screen this gorgeous it'd be a shame to set the brightness so low. I never used the auto brightness for the Galaxy Nexus as I found it far too dim for my liking. Would you mind sharing data about your battery life? What sort of adjustments do you make to conserve battery life? Personally I'm not too sure that turning off Google Now has made much of a difference, for me anyway.
Well, my phone is not setup to sync to anything. I always go through all of my apps to ensureif they need access to data like mail, weather, stocks, news, Sprint zone, etc. That those items are setup to manually update. And when I'm in an area where I have no signal I select power saver mode. I guess I look at this phone like a sports car. It's meant to go fast all the time. You have to throttle it back depending on what you do with your phone on a daily basis.

But I don't think power saver does much good when you are actually using the phone unless you have the screen turned down. I think the key is finding the right level of screen brightness.
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Old June 23rd, 2013, 11:32 PM   #314 (permalink)
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Hey guys,
Just moved up from a Desire to get the one a couple days ago. I was using a custom rom on the desire (SU's rom) which let me get upwards of 2 days of battery life with medium use.

Just got the one, decided to still keep it stock for now and not root it. The battery life has been much much better than I expected, heres a screenshot of my last charge cycle, I had to take it off the charger before it hit 100, but it still held up to one day of gaming and other abuse. :P

Here it is:





I do have a couple questions though:
How many charge cycles can this battery stand? (is there an estimated amount that can be given?)

and
Is it still really bad to take the battery below ~15%?
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Old June 24th, 2013, 01:07 AM   #315 (permalink)
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Some info ... "Cycle life as a function of
depth of discharge"
http://batteryuniversity.com/learn/article/how_to_prolong_lithium_based_batteries

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Old June 24th, 2013, 01:35 AM   #316 (permalink)
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Some info ... "Cycle life as a function of
depth of discharge"
How to Prolong Lithium-based Batteries - Battery University

Harry
Isnt this a Lithium Polymer battery though?

Still an amazing link, thank you.
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Old June 24th, 2013, 02:12 AM   #317 (permalink)
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Isnt this a Lithium Polymer battery though?
So were the batteries the article discussed.
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Old June 24th, 2013, 02:51 AM   #318 (permalink)
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Isnt this a Lithium Polymer battery though? ...
I didn't think of it, sorry ...

Wikipedia says "... Compared to the lithium-ion battery, Li-poly has a greater life cycle degradation rate."

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Old June 24th, 2013, 03:40 AM   #319 (permalink)
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Extract from this site:- http://www.allaboutsymbian.com/features/item/15775_How_do_Lithium_batteries_work.php

"Is Lithium Polymer different?

The chances are that if you read this site, you've heard of Lithium Polymer (Li-Polymer) as a distinct battery type from Li-Ion batteries. The difference between them lies in the material used as the separator. Rather than an inert substance with holes covered in electrolyte, the separator is made of a micro-porous polymer covered in an electrolytic gel that also serves as a catalyst that reduces the energy barrier in the chemical reaction between cathode and anode. Therefore, Li-Polymer batteries allow for a slight increase in energy density. However, this advantage is offset by a 10% to 30% cost increase. Therefore, because the same materials are used for cathode and anode, Li-Polymer batteries follow the same chemical process as Li-Ion batteries and so are not a distinct class.

Because the solid polymer is flexible, it is possible to construct flexible batteries and batteries that can be easily formed into various shapes and sizes, even thin films. So you'll most often see Li-Poly used for batteries which are relatively thin (e.g. Nokia's 'hero' BP-4L battery used in a dozen devices) or oddly shaped (e.g. to fit round other components in a tightly packed phone).

Just as with Li-Ion batteries though, Li-Polymer batteries are slowly degrading from the day they are created, and are subject to the same harm caused by deep-discharges."
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Old June 24th, 2013, 07:56 AM   #320 (permalink)
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I didnt read thru all the pages but did it take forever for the battery to get charge up? I notice that yesterday.
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Old June 24th, 2013, 01:09 PM   #321 (permalink)
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Confused That standby drain!

EarlyMon, Tlicious1020, Kolio (and all forum members!),

I've attached my battery life screens for my usage today. The usage is fairly light in comparison, I did not use it too much in the morning on the way to work as I normally do, I only clocked in around 30 mins screen on by 0900h (I pulled it off the charger at 0630h). As I was quite swamped at work I barely got a chance to touch the One (Yet it still depleted to 60% by 1400h!) and I only managed to get going when leaving work at around 1815h. Judging from the stats I'd pretty much rule out poor signal as the cause of my standby drain, the signal was for the most part good (as evidenced by the attached screen showing signal strength). So it definitely seems to be a kernel issue (and that horrid msm_hsic wake lock!)

I am going to go ahead with a factory reset but I don't expect it to resolve the issue. One thing is for sure now, there is no way I'd be able to get more than 24 hours out of this handset regardless of my usage, I think the One has pretty damn good battery life but my unit's standby seepage really degrades what would have been a truly all day lasting handset. As I have no experience or knowledge about rooting & modding phones I might as well just hope that the 4.2.2 update improves my standby time.
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Old June 24th, 2013, 01:13 PM   #322 (permalink)
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Can you please bring up the graph for battery vs other in Gsam? Thanks!
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Old June 24th, 2013, 01:48 PM   #323 (permalink)
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Blush

EarlyMon,

Sure I can, only thing is that I put the One on charge right after I posted earlier, I hope these are OK.
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Old June 24th, 2013, 01:56 PM   #324 (permalink)
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Default Impressed with battery life. Still deciding

A friend of mine recently got the HTC One for AT&T. I got to play with it longer than I did in stores.

I checked the battery stats and it showed 17.5 hours with 60% remaining. I'm guessing my friend is just a light user. But still that is impressive to me. On my RAZR M, I'd probably only have 40% or 30% remaining. Seems like HTC One would last me 1.5 days, which should be good enough.

I was really leaning towards a big battery Moto X phone, but with all the nice extras of the HTC One and the fact that I like Sense, I'm still waffling between those two choices. Oh well, a good problem to have I suppose.
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Old June 24th, 2013, 02:01 PM   #325 (permalink)
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Mpanju -

No, those are good.

Seems that you don't have much time where the screen is off but your phone is awake.

What's up with the wifi signal? Are you in one location? Why is that cycling on/off?

If you're in one location, and no reason for that, please get Wifi Analyzer, also free. Is the network on a crowded channel? Is the net name a router default being shared with other networks??
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Old June 24th, 2013, 02:15 PM   #326 (permalink)
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Mpanju -

No, those are good.

Seems that you don't have much time where the screen is off but your phone is awake.

What's up with the wifi signal? Are you in one location? Why is that cycling on/off?

If you're in one location, and no reason for that, please get Wifi Analyzer, also free. Is the network on a crowded channel? Is the net name a router default being shared with other networks??
EarlyMon,

The location where my desk is picks up the faint WiFi from an adjacent area, the Wi-Fi is locked and so not many people are on it (Speeds are quite slow here, don't know if that makes a difference) but I end up using data when in the office. I do move around a bit, from 1130h - 1400h I was in offices that do not have Wi-Fi and as you will notice, I did not touch my phone much between 0900h and 1300h.

Even when I am at home, and I am the only user on my WiFi network, I still get a drain of 5-10% per hour on standby!

By the way, which version of WiFi analyzer do you recommend, there are quite a few in the Play Store?
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Old June 24th, 2013, 02:47 PM   #327 (permalink)
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Check out "Wifi Analyzer"

https://play.google.com/store/apps/details?id=com.farproc.wifi.analyzer

Sweep left / right for various screens.

Following shots show me, seh, on a crowded channel and a free one. Note the signal improvement.

If I had to make a prediction - either coincident to your last update, or due to a network improvement in your last update that routers you're hitting don't like, that's what changed your battery response and is the root cause of your trouble.

MSM = mobile set modem, would include wifi as I recall.
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Old June 24th, 2013, 03:58 PM   #328 (permalink)
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EarlyMon,

Thanks I'll definitely install that and see if it helps. Do you think it would make a difference if I kept Wi-Fi off at work tomorrow? If it is a WiFi related issue, then there should be some improvement right?
Incidentally, what is your set up and how is your battery life?
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Old June 24th, 2013, 04:04 PM   #329 (permalink)
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EarlyMon,

Thanks I'll definitely install that and see if it helps. Do you think it would make a difference if I kept Wi-Fi off at work tomorrow? If it is a WiFi related issue, then there should be some improvement right?
Incidentally, what is your set up and how is your battery life?
It couldn't hurt to try leaving it off and may be helpful revealing some more information. I would.

My setup doesn't count, I'm still on last year's HTC, the Sprint version of the One X.

Fwiw, I've found that keeping Bluetooth and NFC off unless / until I actually need it, and keeping location services off altogether helped me. That last bit messes with some apps though - no location services = no Google Now for example.
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Old June 25th, 2013, 12:49 AM   #330 (permalink)
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Have any of you guys been using the Qualcomm Snapdragon battery guru? I've heard really good things. I installed tonight. I'm curious to see if I get the results others are claiming. Some review s are saying they are getting 25 hours when they would only get 8 prior to installing it
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Old June 25th, 2013, 03:57 AM   #331 (permalink)
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Hey JimKnuckles,

Personally, I have not found BatteryGuru to make a difference for my HTC One, in fact I uninstalled it last night as I noticed that it was at the top of my list in GSam Monitor's list of apps waking my device.
But do try it and let us know, personally I feel that the HTC One's Power Saver mode is more than sufficient.
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Old June 25th, 2013, 06:11 AM   #332 (permalink)
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EarlyMon,

Thanks I'll definitely install that and see if it helps. Do you think it would make a difference if I kept Wi-Fi off at work tomorrow? If it is a WiFi related issue, then there should be some improvement right?
Incidentally, what is your set up and how is your battery life?
Any radio being left on will cause a draw on the battery, especially WiFi. You can test that outfrom home. Fully charge the phone then leave WiFi on. Even if it's not downloading data there will still be a draw on the battery.

My WiFi is setup to sleep when the screen is off. And you really need to use power saver if your phone is not being used and you will see a difference in the battery when the phone is sitting there just idling.

From my early estimates this phone can give you between 5-6 hours of battery life watching movies.

Just had a thought. I wonder if you can negate the WiFi draw by deselecting the various notifications tied in with the settings for WiFi? Those notifications must mean the phone scans for WiFi networks on a schedule or something right?
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Old June 25th, 2013, 06:47 AM   #333 (permalink)
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I have an HTC One, not sure which version of android that runs. When I go to settings > power > usage, I am given a screen showing the percent of each app that has contributed to overall battery drain, in addition to phone idle and other system contributions.

As far as I know, there is no details whatsoever on the timeframe this represents so I'm left to guess that it's for the lifetime of the phone. Is there a way to get details for like the current day, or perhaps for the month? Does what I'm saying make sense?
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To the best of my knowledge, those percentages are actually the amount of power each app has used since you last unplugged your phone, or since the last time you recharged to full, not the amount it has used over the life of the phone.
You're spot on GuitarG20, the App Usage list clears on cessation of a charge, either before or at 100%. If you check it immediately after removing charge you only see HTC Sense and Android System (which does make 'sense' - no pun intended!! )

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Old June 25th, 2013, 02:40 PM   #334 (permalink)
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Turned off Wi-FI (and uninstalled BatteryGuru) after leaving for work today at 0730h (Airplane mode activated throughout the night and so active cycle from 0630h and I pulled in about an hour of screen on time by 0900h.
Again, I did not touch the phone much from 1000h - 1200h and the drain was ok as evidenced by the graphs attached. For some reason the standby drain in the afternoon got a little bit worse but I ended up pushing the phone to less then 10% past 2000h which is an improvement.

I suppose that my leaving the phone untouched for long periods of time (such as between 0900h and 1130h) has kind of helped but there is still a reasonable amount of drain. I will do a factory reset and hold tight for the 4.2.2 update, otherwise it's just a matter of being judicious with usage in order to make till the evening, which is easier said than done with this beautiful handset
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Old June 25th, 2013, 06:44 PM   #335 (permalink)
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Have you ran the test in power saver mode with all items selected? It makes a huge difference when the phone is just sitting there. You should lose about 1% an hour if that much at all.
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Old June 26th, 2013, 04:38 PM   #336 (permalink)
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Tlicious,

I do keep my One on Power Saver mode all the time, the only option I uncheck though is the screen brightness option.

I've had quite the interesting day with my One today.

- I did a factory reset the previous night and installed Advanced Task Killer.
- Removed phone off charger at 0630h, clocked around 45mins screen on time by close to 0900h
- I ended up getting pretty decent standby time relative to my previous times. Incidentally, my increased responsibilities at work have resulted in my inability to reach for my phone every 25 mins or so (usually Blinkfeed/Flipboard/News Republic/WhatsApp).
- The Power vs Percentage data in GSam Battery is pretty darn useful, it's basically a log of every percentage change throughout the battery cycle! In the attached screen you will notice that I lost only 1% between 0859h and 0946h and similarly just 1% between 0948h and 1042h! It should be noted that my usage over the past two mornings have been severely curtailed but there is a marked improvement in standby in today's performance.
- Battery life depleted faster in the afternoon as I decided that I had to sneak in some private time with the One (It's like the Kate Upton/Ryan Gosling of cell phones ). Still I left it alone from 1637h til 1730h and lost just 1%
- After leaving work at around 1820h the battery life was 47% (with around 1hr 20 mins screen on time) and I played some music (not streaming) whilst going through apps (LinkedIn, Yahoo Finance, Seeking Alpha, BlinkFeed) for around 30-35 mins and I lost more than 10%
- Reached home by 2000h with the phone at around 25/20%
-There is actually a reduction of the msm_hsic_host wake lock, if you notice my screens provided, this is the lowest time listed in kernel wakelocks: 4hrs 44mins and 2,590 wakelocks at 2300h when I usually get more than 6hrs and 4,000 wakelocks by 1900h/2000h. I cannot be sure if the factory reset has helped with that but definitely EarlyMon's advice on Wi-Fi has made a difference as I have kept Wi-Fi off at work as my phone could be trying to pick up a weak signal from an adjacent office. I am hopeful that the 4.2.2 update will greatly reduce this wakelock.
- Keeping away from the One is another major contributing factor, although I have had bad standby drain before when not using it. I suppose that the increased length of time that I do not wake up the One has had some effect although I am fairly confident that I still cannot pull off more than a 24 hour cycle with this phone due to the drain but I am more than happy if a phone can last for 15/16 hours from 0630h up to 2100h
- Note that I do not use my phone for gaming, I did not touch the camera today and I only played one 7 minute YouTube video over Wi-Fi at home at around 2000h which seemed to drain about 3%! I swear it's like the phone will drain a little bit faster when the screen is one just to negate whatever savings were made earlier. (Yes, I have considered the possibility that I am becoming a wee bit obsessed by battery life!)
- All things said if this pattern continues then I will be fairly satisfied and as mentioned previously, I hope that the 4.2.2 update can improve my kernel & msm_hsic_host wakelocks issues.
- Plenty of screens attached as usual!
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Old June 26th, 2013, 06:10 PM   #337 (permalink)
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Do you have geotagging turned on in your camera? If so, do you need it?

Other HTC ICS and Jellybean has that keeping Maps and location actions running much more frequently, including just running the Gallery. I keep mine off.

Automatic task killers tend to eat more power than they save in the long run, keep an eye on that. They tend to get into a fight with the Android task and memory management.
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Old June 26th, 2013, 06:21 PM   #338 (permalink)
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This came from Sprint today via the HTC Tutorial for the One.

Leaving Wi-Fi, Bluetooth, Mobile Hotspot, and 4G LTE on when not actively in use can drain the battery faster.

For network settings select CDMA only. (I tried this when I first got my One but didn't see a difference. But then again I do not think I was using power saver mode. The premise behind this selection is that your phone will not scan for 4G LTE.Thereby saving you battery juice. If you don't have 4G LTE in your area it's probably a good thing to use.

Stopping running applications can help conserve battery life. (Double tapping home button and closing apps that are running. This one might be debatable on this forum as to whether this helps or not.)
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Old June 27th, 2013, 04:35 PM   #339 (permalink)
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Does double tapping the home button give you the active/running applications? Or, it just shows the previous applications you have used?
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Old June 27th, 2013, 09:49 PM   #340 (permalink)
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Does double tapping the home button give you the active/running applications? Or, it just shows the previous applications you have used?
Double tapping the home does both: shows previous applications and those still running.
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Old June 28th, 2013, 05:47 PM   #341 (permalink)
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How are peoples battery life with power saver on with cpu,and data connection savers on,with WiFi usage,and gps off.I'm in sprint with 3g/4g on all the time until in location of a WiFi hotspot.
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Old June 29th, 2013, 04:28 AM   #342 (permalink)
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I was using Matrix 3D Cubes 3 Live Wallpaper. After going with a static background that app was a huge vampire on the battery. And it was the reason the phone was taking awhile to reach a full charge. I didn't think this live wallpaper could be such a battery hog because the wallpaper is just amazing to view on the One.

Also, I was charging my phone and surfing the net. My Battery Bot Pro app said the phone would be fully charged in about 2 hours. I'm using a longer USB/power cable than what comes with the phone so I can charge and surf in comfort. Anyway, after I double tapped the home button and closed every application running. The charge time dropped from 2 hours to 1 hour and 4 minutes. Can we all conclude that closing apps saves battery power now? The Battery Bot Pro app does an amazing job of measuring the exact time your phone will be fully charged.
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Old June 29th, 2013, 04:51 AM   #343 (permalink)
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Battery consumption is a function of the resources used by apps, and their run state. Not all apps are equal in those regards at any given time.

I've never met a live wallpaper that didn't consume more power than I wanted. Bummer but there it is.
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Old June 29th, 2013, 06:53 AM   #344 (permalink)
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Battery consumption is a function of the resources used by apps, and their run state. Not all apps are equal in those regards at any given time.

I've never met a live wallpaper that didn't consume more power than I wanted. Bummer but there it is.
I was always under the impression the apps were not "doing anything" but just sitting there and not consuming any battery power. Those apps were in a "static" state until called upon again. But I guess that's not the case.
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Old June 29th, 2013, 07:48 AM   #345 (permalink)
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I was always under the impression the apps were not "doing anything" but just sitting there and not consuming any battery power. Those apps were in a "static" state until called upon again. But I guess that's not the case.
A great many are exactly that way - hence my statement about run mode.

When an app's mode = sleep, it consumes 0% power and it's presence in memory doesn't matter - unlike the processor, power draw for ram is constant, whether filled or not.

I'd like to say that applies to most apps for most users.

Some apps won't sleep - best examples off the top of my head, various monitors and system loggers, or, your music player - that'll keep going while you run something else or even turn the screen off.

Some turn on, do their thing, see if they're in use, go back to sleep if not, and later wake up and repeat the same cycle. Many apps do that - email, weather and the like.

So it's true that background apps normally sleep but that varies by type.

Then comes resources used.

Some apps want your location, and some will go for it with GPS. And if one wants location details, it'll start Google Maps in the background. Now you've got two apps running and tapping wifi and GPS if they can - when all you wanted was geotagging on your pictures or some nice weather widget playing.

But other apps will simply do their thing, and maybe write some data to storage for you, and that's all, such as a good email app.

So, always look at app permissions before installing a new app - you can predict a lot about what to expect the more you know about those. We have a sticky thread in our Applications forum explaining those by a real expert.

And maybe keep a good monitor handy, lately I've been recommending Gsam Battery Monitor, because sometimes a bad app, or bad installation of one, or bad configuration can sneak up and cause trouble.

I think you've seen my battery graphs here - I'm highly conscientious about my apps. I don't tinker with my radios or killing apps. When I turn my screen off, my phone sleeps. The battery usage is practically a horizontal line. And so if I want to get a faster charge, rather than kill apps, I turn off the screen.

That comes with tradeoffs though.

Some apps that I like, I won't use. I still miss my favorite live wallpaper, but I chose battery life.

I like keeping a live news feed so I can see what I need at a glance. But I gave that up in favor of battery life and having to surf and refresh.

I like trying new apps, but I don't keep the ones I try and like until I'm convinced that they don't cause sleep issues.

I think of it as battery vs fun.

The more fun features you're using, the more power, ask any 3D gamer for example.

Some people have no fun and use their phone bare bones because they want days-long battery life.

So the best I can offer are some rules of thumb rather than rules because we're all individuals with individual preferences on how we do things and what we want.

Sorry this got so long, hope it helps!
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Old June 30th, 2013, 05:30 PM   #346 (permalink)
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Default Best personal screen on time!

On Sunday 30th June 2013, I hit my best personal screen on time on my HTC One ever! I finally hit 5 hours of screen on time!

- Spent the entire day at home and for the first time I turned off mobile data and just left Wi-Fi on. You can definitely tell a difference when mobile data is in use, even the msm_hsic_host wakelock is greatly reduced.
- Speaking of wakelocks, check out the attached screen from the Wakelock Detector app. Before I did a factory reset, my top 3 wakelocks used to Android System, Google Services & 1013 and now you can't even find those in the latest attached screen shot! (of course I have now turned off Google Now but I think the factory reset eliminated the 1013 wakelock)
- Auto brightness as always but since I was not in any brightly lit rooms, the screen was automatically dim as you can see from the stats whereas when I am out and at the office the brightly lit environment usually results in the majority of the screen brightness as being medium.
- So I have learnt that if I actually leave the phone alone for long periods of time, it will sleep properly and drain less battery as opposed to when I wake the screen every 10 minutes or so and lose 1% pretty much whenever I do so. I feel asleep from 1630h or so up to close to 1900h, check out that straight line in the battery graph!
- Pretty damn happy but I don't expect this when I go back to work tomorrow and have no Wi-Fi to rely on. Still the one thing I have learned is not to turn on the phone every 10 mins or so, if I want to make it past the evening I have to let it rest for certain periods of time, and as I am quite busy at work now, especially in the mornings, that is not an issue anymore.
- EarlyMon, Tlicious1020: This would have not happened without you guys, thanks for the assistance and let's hope that 4.2.2 update gets rolled out soon!
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Old July 4th, 2013, 11:56 AM   #347 (permalink)
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I've got a question; Is it bad for the battery if whenever I can, I charge the One?

Let's say I get up at 7am, pull the phone off the charger, and then at noon, place the phone back on the charger (at 85% to 100%). And then maybe around 4PM, place the phone back on the charger (until 100%). And then lastly around midnight when the phone is at 40% or less, place it on the charger again until the next day (7am).

Will this degrade the phone's battery life over time?

Thank you!
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Old July 4th, 2013, 01:57 PM   #348 (permalink)
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I've got a question; Is it bad for the battery if whenever I can, I charge the One?

Let's say I get up at 7am, pull the phone off the charger, and then at noon, place the phone back on the charger (at 85% to 100%). And then maybe around 4PM, place the phone back on the charger (until 100%). And then lastly around midnight when the phone is at 40% or less, place it on the charger again until the next day (7am).

Will this degrade the phone's battery life over time?

Thank you!
Not a problem.

http://batteryuniversity.com/learn/article/charging_lithium_ion_batteries

The concerns noted in the article are addressed by the charging and safety circuitry in your phone.

You care more about heat.

Don't run your battery down if your phone is running hot, don't charge near freezing temperatures and if it's getting very hot while charging, shut down the phone. Those ought happen rarely.
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Old July 6th, 2013, 02:36 PM   #349 (permalink)
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Greetings all. So I was thinking of picking up the Mophie Juice Pack Powerstation Duo portable charger. What I'm wondering is this:

The charger has an output of 2.1 amps. Will charging at 2.1 amps damage my One? Or will the One only allow the charger to charge at 1 amp, which is what the One's user manual suggests.
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Old July 6th, 2013, 02:49 PM   #350 (permalink)
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The phone/tablet limits the amount of amperage needed.
So the charger's ability of amperage could be bigger than the phone's/tablet's needing, but should not less.

Using a higher voltage than the 5V standard USB voltage can destroy an USB device ... and not the charger's ability to supply a higher amperage at request.

For better understanding the thinking model of electricity for beginners might help
Think of flowing water in a pipe (the phone/tablet would be the pipe).

Voltage is the pressure of the water supply, amperage is the flowing amount of water and the pipe is the electrical consumer (its electrical resistance).
The pipe determines the amount of water when the pressure is steady.
There're only two ways for increasing the flowing amount of water:
- A bigger pipe for less resistance.
- Higher pressure of the water supply.
But higher pressure might destroy the pipe.

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The HTC One is the manufacturer's flagship device for 2013. The device's specs put it in the top of the smartphone pyramid, featuring a 1.7 GHz quad-core Snapdragon 600 processor, 2 GB of RAM, a 4.7-inch 1080p display and Android 4.1.2. Its... Read More

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