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Old July 5th, 2010, 11:19 AM   #51 (permalink)
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Originally Posted by lunatic59 View Post
As you can see it was on for over 28 hours and the indicator said I had 25% charge left. I am now approaching 30 hours, after using the screen for most of that time to review the widgets and running apps for the lists above and it's down to 23%.

If this continues, I will be a very happy camper.
Hey! That's my Nexus...pre 2.2!!!

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Old July 5th, 2010, 12:10 PM   #52 (permalink)
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My Froyo showed up as a 4th of July present on Sunday. After downloading and installing, I began using the phone as usual. Under 2.1 my Nexus was giving me between 12-15 hours/day - after 2.2, I was surprised to find my phone dead at 3 in the afternoon yesterday.

With some messing around, I found two issues:
1) My work emails are exchange servers - I purposely access them through IMAP so I have control over when I retrieve email. Froyo seems to have discovered that these email accounts are attached to exchange servers, and set up my email retrieval to be push email. Although I appreciate the help, the email was draining my battery in the background almost as fast as the display. I've changed them back to "never retrieve email," so we'll see how that goes.
2) Froyo seems to startup a lot more apps in the background, even ones that I use infrequently. In fact, it seems to start up every app that uses whatever radio is running. For instance, I leave my GPS receivers on all the time because its convenient, doesn't really use that much power, and my phone always has my location ready when I do need it. However, since Froyo, any app that uses GPS seems to suddenly be running - even if I hardly/barely use it. Still haven't come to a resolution on this one yet.

So, the reason (I think) people are seeing either better or worse battery life is: froyo changes the way it manages power. If you were used to using 2.1 in a certain way, froyo changed the game, so you *will* see a change. Whether its to your advantage or disadvantage depends on how you originally used the phone.
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Old July 5th, 2010, 01:25 PM   #53 (permalink)
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Default Re: Battery life sucks since 2.2(Froyo)

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Quote:
reading an e-book, MSN app, so interacting with the touchscreen and keeping the screen 'awake' all the time, the apps may not be a MAJOR battery hog,
Yes, but this is how I regularly use my phone for and it'll last around 16 hours...now it's 5 hours with the same activity. I'm going to uninstall some more apps...I'm still thinking there's an app that's not playing nicely with 2.2.

An oddity I noticed last night, that it seemed the battery was still charging even though it was 100% full...when I had it plugged in (after it is fully charged), the phone was still REALLY hot (around 40 degrees). This has never happened to me before, when I left it plugged in (after being charged). I'm not sure if it's still charging...but it FELT like it was. Is anyone else experiencing this?
I've experienced something similar last night, which leads me to believe there's something off with froyo's battery indicator/diagnostics. In my case my phone was chargging, I checked it when it was at 92% but a few mins later it was full. I left it connected for some time and my battery started decreasing again at a faster rate then normal. It dropped back to about 89%, at which point I played a game for a second or 2 (not CPU intensive) and it started charging again.
I was charging via usb (as I always have to, unless I'm on the road) with SD card still mounted as usual.
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Old July 5th, 2010, 01:33 PM   #54 (permalink)
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Originally Posted by MartinS View Post
What is your screen brightness? Display usage seems low...
Set to auto. At first the constant adjusting of the display bugged the cr@p out of me, but I am getting used to it. I only pump it up to full brightness if i am checking the ballgame scores in direct sunlight.
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Old July 5th, 2010, 10:24 PM   #55 (permalink)
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Checking in once again.

Battery life is PHENOMENAL!!! I guess Froyo has to get used to how the phone is used and/or charged or what. But Im getting the kind of battery life I was truly hoping for. This past weekend I was using my phone all day GPS/Wifi on all the time and putting them on the charger after about 12 hours with 65% left.

Right now I have had the phone on for 13 hours gps/wifi and half a day with bluetooth on and I have 54% left.

I am more than happy with this phone.
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Old July 6th, 2010, 03:06 AM   #56 (permalink)
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Originally Posted by HyperM3 View Post
Checking in once again.

Battery life is PHENOMENAL!!! I guess Froyo has to get used to how the phone is used and/or charged or what. But Im getting the kind of battery life I was truly hoping for. This past weekend I was using my phone all day GPS/Wifi on all the time and putting them on the charger after about 12 hours with 65% left.

Right now I have had the phone on for 13 hours gps/wifi and half a day with bluetooth on and I have 54% left.

I am more than happy with this phone.
Glad to hear!
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Old July 6th, 2010, 08:45 AM   #57 (permalink)
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I must be living in some sort of battery crackland. I took my phone off the charger this morning and it was at 99%(havent seen it go to 100 since froyo). Then at 98% I put it back on the charger. 10 minutes later it was at 94% while still on the charger. Now 50 minutes later its at 90% WHILE STILL ON THE CHARGER!!

I havent used the phone at all and it shows that its connected via USB. So now its using battery faster than its charging while plugged in? Im so confused!
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Old July 6th, 2010, 09:15 AM   #58 (permalink)
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I must be living in some sort of battery crackland. I took my phone off the charger this morning and it was at 99%(havent seen it go to 100 since froyo). Then at 98% I put it back on the charger. 10 minutes later it was at 94% while still on the charger. Now 50 minutes later its at 90% WHILE STILL ON THE CHARGER!!

I havent used the phone at all and it shows that its connected via USB. So now its using battery faster than its charging while plugged in? Im so confused!
The bazarro world battery?

It's possible that you really are discharging while plugged into the usb port. If the cable is bad or the port itself isn't providing power, it will still show connected if the data connection is made. Try an A/C charger and try a different cable, You could also try a different device that requires power using the cable like a hard disk, if it has a micoUSB connection.

I'd also let the battery discharge to 0% at least once after upgrading to FroYo just to let the new algorithms get to know the battery.
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Old July 6th, 2010, 09:16 AM   #59 (permalink)
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Originally Posted by HyperM3 View Post
I must be living in some sort of battery crackland. I took my phone off the charger this morning and it was at 99%(havent seen it go to 100 since froyo). Then at 98% I put it back on the charger. 10 minutes later it was at 94% while still on the charger. Now 50 minutes later its at 90% WHILE STILL ON THE CHARGER!!

I havent used the phone at all and it shows that its connected via USB. So now its using battery faster than its charging while plugged in? Im so confused!
So am i.......
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Old July 6th, 2010, 09:17 AM   #60 (permalink)
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The bazarro world battery?

It's possible that you really are discharging while plugged into the usb port. If the cable is bad or the port itself isn't providing power, it will still show connected if the data connection is made. Try an A/C charger and try a different cable, You could also try a different device that requires power using the cable like a hard disk, if it has a micoUSB connection.

I'd also let the battery discharge to 0% at least once after upgrading to FroYo just to let the new algorithms get to know the battery.
Its back up to 100% now while sitting on my desk from 95% the moment prior. Either way, I think youre right. I need to let it get down to 0% to reset everything. I havent ever done that yet.
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Old July 6th, 2010, 01:34 PM   #61 (permalink)
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For those of you with Exchange Email - - -

Issue 9455 - android - Openssl Certificate bug - Project Hosting on Google Code

Is this your issue? Try using OS Monitor to watch the Email log and see if this is happening. If it is, please post to this code thread so Google cant get to fixing it faster.
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Old July 8th, 2010, 06:28 PM   #62 (permalink)
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24 hours since I fully charged the battery.

18 hours connected to WiFi.
6 hours to GPRS.
Wrote a couple of SMS.
Read 20 Emails or so I received.
Answered 2 or 3 Emails.
Used Google Translate for 5 minutes more or less.
No calls.

Battery level: 82%

It's under extremely low or low phone usage, I know, but I think every kind of test and experimenting helps to understand the battery use behaviour.
I'll try to update my battery status tomorrow again
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Old July 8th, 2010, 07:43 PM   #63 (permalink)
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Holy crap, I don't think I can even get to 82% when leaving my phone locked for 24 hours o_O
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Old July 9th, 2010, 07:32 PM   #64 (permalink)
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Originally Posted by bitxboi View Post
24 hours since I fully charged the battery.

18 hours connected to WiFi.
6 hours to GPRS.
Wrote a couple of SMS.
Read 20 Emails or so I received.
Answered 2 or 3 Emails.
Used Google Translate for 5 minutes more or less.
No calls.

Battery level: 82%

It's under extremely low or low phone usage, I know, but I think every kind of test and experimenting helps to understand the battery use behaviour.
I'll try to update my battery status tomorrow again
24 hours since I wrote my previous post.

14 hours connected to WiFi.
10 hours to GPRS (except while sending pictures, when I changed to HSDPA)
Wrote a couple of SMS.
Read 20 Emails or so I received.
Answered 2 or 3 Emails.
Browsed the Internet for 1h 30min (on GPRS) (1h session + 30min session)
Sent 8 Emails with pictures attached on each (1MB pictures) on mobile network.
Took 15-16 pictures.
Recorded a 1:30 clip
5min long call

Battery level: 11% (from 82%)
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Old July 9th, 2010, 08:49 PM   #65 (permalink)
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Bitxboi, I am SOOOO jealous of you! I'm just drooling of your battery life now!
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Old July 9th, 2010, 10:26 PM   #66 (permalink)
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Originally Posted by uberrob View Post
My Froyo showed up as a 4th of July present on Sunday. After downloading and installing, I began using the phone as usual. Under 2.1 my Nexus was giving me between 12-15 hours/day - after 2.2, I was surprised to find my phone dead at 3 in the afternoon yesterday.

With some messing around, I found two issues:
1) My work emails are exchange servers - I purposely access them through IMAP so I have control over when I retrieve email. Froyo seems to have discovered that these email accounts are attached to exchange servers, and set up my email retrieval to be push email. Although I appreciate the help, the email was draining my battery in the background almost as fast as the display. I've changed them back to "never retrieve email," so we'll see how that goes.
2) Froyo seems to startup a lot more apps in the background, even ones that I use infrequently. In fact, it seems to start up every app that uses whatever radio is running. For instance, I leave my GPS receivers on all the time because its convenient, doesn't really use that much power, and my phone always has my location ready when I do need it. However, since Froyo, any app that uses GPS seems to suddenly be running - even if I hardly/barely use it. Still haven't come to a resolution on this one yet.

So, the reason (I think) people are seeing either better or worse battery life is: froyo changes the way it manages power. If you were used to using 2.1 in a certain way, froyo changed the game, so you *will* see a change. Whether its to your advantage or disadvantage depends on how you originally used the phone.
I've been wondering about that. I see Avery Tracker starting up ALL the time. Why? I shut it down using a task killer and then a few minutes later it's started up again. According to System Panel, Avery Tracker is running as a service. Eh? A package tracker?

I see News and Weather running as a service, too. Once again, eh?

I see Amazon MP3 starting up all the time. Why should random apps just start up for no reason?
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Old July 10th, 2010, 03:46 AM   #67 (permalink)
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Bitxboi, I am SOOOO jealous of you! I'm just drooling of your battery life now!
well, it's not bad under low activity I guess, especially compared to others'.

More details about my settings:

Facebook: Syncs every 2 hours (contacts and data)
Twitter: Syncs every 2 hours (just data)
Google account: Syncs Contacts, Gmail
Location: wireless network based (GPS off)
Network settings: 2G only (make it 3G when I need speed)
Screen brightness: minimum (make it max. when needed)
Widgets: just Google Search, Power Control

I cannot think about anything else at the moment, but I will post it if I remember.
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Old July 10th, 2010, 04:12 AM   #68 (permalink)
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My N1 gets thru the day easly with heavy HSDPA usage, calls etc...
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Old July 10th, 2010, 05:48 AM   #69 (permalink)
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I've been wondering about that. I see Avery Tracker starting up ALL the time. Why? I shut it down using a task killer and then a few minutes later it's started up again. According to System Panel, Avery Tracker is running as a service. Eh? A package tracker?

I see News and Weather running as a service, too. Once again, eh?

I see Amazon MP3 starting up all the time. Why should random apps just start up for no reason?

Hello Iria, are you using another launcher/homescreen? have you disabled updates from news and weather settings?
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Old July 10th, 2010, 07:44 AM   #70 (permalink)
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I've been wondering about that. I see Avery Tracker starting up ALL the time. Why? I shut it down using a task killer and then a few minutes later it's started up again. According to System Panel, Avery Tracker is running as a service. Eh? A package tracker?

I see News and Weather running as a service, too. Once again, eh?

I see Amazon MP3 starting up all the time. Why should random apps just start up for no reason?
I've also notice the same thing after installing 2.2. Apps that I rarely use would be running even when I have auto sync or update off like facebook or Amazon. Very annoying.
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Old July 10th, 2010, 08:40 AM   #71 (permalink)
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I've also notice the same thing after installing 2.2. Apps that I rarely use would be running even when I have auto sync or update off like facebook or Amazon. Very annoying.

Yes but what sometimes happens is a widget is still running in the background on your default launcher...get it? So you have to launch the launcher your not using and delete all widgets from it.

This will stop news/weather etc from starting all the time.
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Old July 10th, 2010, 09:56 AM   #72 (permalink)
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Amazon has ALWAYS been starting up without me ever being able to use it (it just isn't available in my country). But not anymore with froyo so it seems. Other apps still start up the same way without being used tho, and my battery life still seems to have gotten worse.
Where my cpu used to remain practically at 0% when unused (during nights etc), it seems to be constantly running at around 10% now with froyo.. no real clue why =/
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Old July 10th, 2010, 04:02 PM   #73 (permalink)
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Amazon has ALWAYS been starting up without me ever being able to use it (it just isn't available in my country). But not anymore with froyo so it seems. Other apps still start up the same way without being used tho, and my battery life still seems to have gotten worse.
Where my cpu used to remain practically at 0% when unused (during nights etc), it seems to be constantly running at around 10% now with froyo.. no real clue why =/
Mine seemed to of improved allot when i did that flush cache thing, know what i mean?
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Old July 10th, 2010, 05:22 PM   #74 (permalink)
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Yeah I know what you mean and tbh I started really noticing the decrease in battery life after I cleared my caches.. I didn't at first but my system was having quite a few hickups and appeared unstable (had to do my first battery pull ever day after updating).
Now it seems to be more stable but guzzling more battery =/
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Old July 10th, 2010, 10:59 PM   #75 (permalink)
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Yes but what sometimes happens is a widget is still running in the background on your default launcher...get it? So you have to launch the launcher your not using and delete all widgets from it.

This will stop news/weather etc from starting all the time.
These are apps I never touch (thus no widgets) and I'm only using stock launcher. I deleted launcherpro and adw. Doing the clear cache via the reboot doesn't work.

Some strange thing I have noticed now after almost 2 weeks of using Froyo...my battery life SEEMS to be improving.

Battery1: after 2.2update it was running around 12 hours on moderate use (24 hours with moderate use)....well yesterday, the oddest thing was I got 40 hours of battery life with light/moderate use (total of 4hrs of phone in use)

Battery2: brand new first day was 5 hours of 3 hours usage. next day was 7 hours of 2 hours usage. I've been conditioning this battery for the past couple of days. Today it's 15 hours with very light use (1 hr phone time) but there's 55% left.

So I'm very thinking that the battery needs to get 'to know' FroYo to be optimal.
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Old July 19th, 2010, 10:41 AM   #76 (permalink)
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I'm experiencing pretty bad decrease of battery life since the production v. 2.2 got out. It hardly gets to the end of the day and I don't use it for phone calls
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Old July 19th, 2010, 01:12 PM   #77 (permalink)
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I'm experiencing pretty bad decrease of battery life since the production v. 2.2 got out. It hardly gets to the end of the day and I don't use it for phone calls
so what is your phone use?
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Old July 19th, 2010, 01:33 PM   #78 (permalink)
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updated for clearer instructions:

Hello,
I was also experiencing significant decrease in battery life after receiving Froyo. I did loads of searching and reading forum post and still didn’t get much help. I tried everything from letting the batter y drain to the point where the phone shuts off to doing a factory reset, neither action worked to improve the battery life.

Finally when looking through a forum post on the Google Android Forums, I read a post which gave a suggestion for improving battery life.

Very simply:
Turn your phone off
Remove the battery
Plug the phone in (microUSB)
then replace the battery and let the phone continue charging as normal.
(don't play with it while its charging, just let it go through the boot process and continue charging)

I swear after doing this I saw significant improvement in battery life. While I don’t see the same as some, my battery wasn’t at 30% at 2pm after being off the charger at 6am and moderate use. This may not work for everybody and I can honestly say I don’t know exactly what doing this does to the battery or the battery gauge, I do know however that my battery is no longer near dead before I get home from work. (I guess the process helps synch the battery charge/Gauge)

I am running stock N1, no live wallpaper (currently) with moderate internet searches, Facebook and news (over 3G), and low phone use. I use wifi at home mostly when playing around with the phone. Brightness is at 20% or lower most of the time and I usually insure wifi is off when I’m not in range of free wifi.

Currently, I’m at 74%, with about an hour of Doubletwist use (on the commute to work), internet searches and news. Currently 2:30EST, phone was off the charger at 4:30am.
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Old July 19th, 2010, 02:01 PM   #79 (permalink)
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Hello,
[FONT=Times New Roman][SIZE=3]
Finally when looking through a forum post on the Google Android Forums, I read a post which gave a suggestion for improving battery life. A very simply, plug your phone in and remove the battery (canít do this on the stand obviously), wait a few seconds (10 or so) then replace the battery and let the phone continue charging as normal.
???
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Old July 19th, 2010, 02:56 PM   #80 (permalink)
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???
I have updated my post with what I think are clearer instructions. Sorry about that.
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Old July 19th, 2010, 10:11 PM   #81 (permalink)
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I think the discrepancies between people having good and bad battery life has a lot to do with your carrier's signal strength. I was at a lake in the middle of nowhere(I'm talking 2 hours through farms and what not) and my Nexus was dying a lot faster than normal. Uncoincidentally, my service was extremely flaky indoors going between 0-2 bars and outdoors between 2-4 bars.

Perhaps FroYo changed the way it tries to pickup your carrier signal and thus those with bad service are being affected by it more.
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Old August 4th, 2010, 07:49 AM   #82 (permalink)
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Originally Posted by HyperM3 View Post
This phone just sucks now, literally.


Lucky you. I'd never leave the house.
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Old August 4th, 2010, 08:16 AM   #83 (permalink)
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Lucky you. I'd never leave the house.
Haha. Well after returning the captivate looks like I'm staying with the N1 a while longer.
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Old August 5th, 2010, 04:06 AM   #84 (permalink)
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Haha. Well after returning the captivate looks like I'm staying with the N1 a while longer.
good choice
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Old August 5th, 2010, 08:00 PM   #85 (permalink)
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Take a look at Android 2.2 Froyo Battery Drainage Apparently Caused By Facebook App

It appears a facebook upgrade could be the culprit. I remove the FB upgrade and deleted my FB account off the EVO and voila battery life!
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Old August 5th, 2010, 08:57 PM   #86 (permalink)
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No problems with the new facebook on my N1 with Cyanogen 6.0 in fact when RC2 came we gained a shortcut to 2g/3g disable button in the power bar widget. I can say for myself that I went from 1.5 days of battery to almost 3 days just by disableing when not in use...
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Old August 5th, 2010, 09:09 PM   #87 (permalink)
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I barely get a day of use out of my N1 running stock Froyo.
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Old August 6th, 2010, 09:43 AM   #88 (permalink)
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Originally Posted by kcamnod View Post
Take a look at Android 2.2 Froyo Battery Drainage Apparently Caused By Facebook App

It appears a facebook upgrade could be the culprit. I remove the FB upgrade and deleted my FB account off the EVO and voila battery life!
Facebook updated, and may be fixed the bug...
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Old March 9th, 2011, 05:09 PM   #89 (permalink)
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Default Facebook app seems to be getting the blame

Android 2.2 Froyo Battery Drainage Apparently Caused By Facebook App

Ran across this article. Instructions on how to downgrade the app are in the comment section.
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Old May 18th, 2011, 05:50 PM   #90 (permalink)
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I completely agree. I used to be able to go two days without charging my Samsung Fascinate. Now, it dies on me, before the end of the work day. I'm definitely not happy with it.
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Old January 8th, 2012, 06:18 PM   #91 (permalink)
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I recently flashed madteam dot com's cyanogenmod 7.1(Gingerbread) to my Samsung Galaxy 5. With Froyo battery life was about 6 hours, in spite of considerable tweaking.

After flashing cyanogen, battery life is much improved, with the battery still showing 80 percent at the end of the day.
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