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Old July 12th, 2010, 06:39 PM   #1 (permalink)
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Default Hold on ..... Iv'e not read about this battery trick-, have you.!

Iv'e followed most battery threads but today I found this tip/trick-

not sure how i missed it but i guess i did-


settings>wireless&networks>mobile networks (drop down)>Enable always-on data. Uncheck always on data.

I take no credit but can tell you my battery lasts all day with no problems...+ some.

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Old July 12th, 2010, 07:28 PM   #2 (permalink)
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Originally Posted by freddyttt View Post
Iv'e followed most battery threads but today I found this tip/trick-

not sure how i missed it but i guess i did-


settings>wireless&networks>mobile networks (drop down)>Enable always-on data. Uncheck always on data.

I take no credit but can tell you my battery lasts all day with no problems...+ some.
Trying it now, will get back with you with the results. Thanks.
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Old July 12th, 2010, 07:32 PM   #3 (permalink)
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It has been posted before and it does work but it affects functionality of certain apps like streaming music apps. I had turned mine off previously, but then I was having issues so I turned it back on.
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Old July 12th, 2010, 07:56 PM   #4 (permalink)
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It has been posted before and it does work but it affects functionality of certain apps like streaming music apps. I had turned mine off previously, but then I was having issues so I turned it back on.

radiotime, last.fm and pandora all stream fine....
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Old July 12th, 2010, 08:05 PM   #5 (permalink)
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radiotime, last.fm and pandora all stream fine....

xiia drops out for me whenever it's not on. Xiia is for live shoutcast streams, not like pandora or slacker. Maybe it's only with live streams that there's a problem.
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Old July 12th, 2010, 08:49 PM   #6 (permalink)
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I just turned mine off then opened up ESPN Radio ( which streams live) and it worked fine. I'll see if this helps.
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Old July 12th, 2010, 08:56 PM   #7 (permalink)
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I just turned mine off then opened up ESPN Radio ( which streams live) and it worked fine. I'll see if this helps.
please LMK.....
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Old July 12th, 2010, 09:27 PM   #8 (permalink)
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Mine has been turned "always on" since launch. I had significantly better battery than most right from the start, so it wouldn't have helped to uncheck it.

You can cripple your device by disabling one of it's key features - or you can track down the app/setting that is making your "always on mobile data" hog the battery and correct it's behavior (most likely a sync setting).

Most of the apps/programs that you initiate (streaming music, internet, etc) will still work fine with it unchecked. Where you may run into problems will likely be with email, facebook, weather apps, etc... (I say may because with the setting altered, some will update intermittently and then for no apparent reason cease to do so, only to resume syncing at a later time...). With it "always on", though, never a hiccup...

I run a 2150 now (and it's a pain in the ass to kill this battery on purpose), so it's a non-issue for me anymore - but leaving my always on capability in place never caused mine to miss a step...
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Old July 13th, 2010, 12:27 AM   #9 (permalink)
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I'm with Teufeltexan... battery life is not an issue for me, so I haven't worried about this setting. However, maybe I can shed some light as to what this setting does with another analogy (I seem to be full of them today).

This analogy will require some of us to show our age... you need to remember the giddy days when dialup Internet access was the only game in town, several years back.

Back then, you (because you didn't want to leave your dialup connected all the time) would have your computer configured to automatically dial and connect when you accessed the Internet, or checked your email. You'd open your browser, your little dialup window would come up, and you'd do whatever you needed to do on the Internet. When you were done, you'd either manually disconnect, or (more likely) walk away from your computer. After a few minutes of inactivity, your computer would disconnect from your dialup service. When you needed to go back online, you'd have to go through the dialup process again.

Nowadays, we all have "always on" connections through cable or DSL or whatever. Your computer doesn't need to connect, because it's connected as soon as you boot it up.

That's kind of what this setting does. Unchecking the box tells your phone to not connect the data unless it actually needs to. A lot of apps (POP or IMAP mail and Internet browsing in particular) will automatically "dialup" or connect when they need to, and then the phone disconnects after they are done. Others may not connect automatically. Push email in particular won't work, because the connection is initiated by the mailserver, not by your phone.

So, the effect is that the phone has to go through the extra connect step when it needs to, which takes several seconds. Push services won't work. And it's debatable whether it increases battery life, because it does take a certain amount of power to make the connection. Supposedly, an idle "always on" connection doesn't draw much power if any.

I'd suspect that those of you who use data very rarely (no push or auto sync services) would see a slight improvement, but those of you whose phones access the data network regularly (for example, I have my phone checking 4 IMAP email accounts every 30 minutes, which means that on average it's checking one of them every 8 minutes or so) probably wouldn't notice a difference, because the power saved by going idle would probably be negated by the power needed to make the connection when needed.

In short... the less the particular apps you have installed actually use the phone's data connection, the more of a difference you'd notice.

Just speculation, but quite educated based on 6+ years in the Windows Mobile world, and I am a network engineer by trade.
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Old July 13th, 2010, 04:49 AM   #10 (permalink)
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Thanks- all my emails seem to work(update)as they always did. ill keep and eye on it and report back-
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Old July 13th, 2010, 12:14 PM   #11 (permalink)
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Since I've shut off the gmail auto sync I have not had an issue with the battery life. The HTC mail program checks for mail already, no need for the sync and there is a bug with it that drains the battery. The first day I had the phone it died in 8 hours, I was ready to send it back, then I discovered that setting was the issue and now it easily lasts 24 hours and then some.
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Old July 13th, 2010, 03:10 PM   #12 (permalink)
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This trick was beaten to death a while back, but you will get battery life at the expense of functionality. You will notice that with this setting off, you will lose certain app functionality when the phone is asleep for ~10 minutes or so. This includes email or other apps that require data.

http://androidforums.com/support-troubleshooting-incredible/71398-whats-good-reason-keep-enable-always-mobile-data.html
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Old July 13th, 2010, 04:47 PM   #13 (permalink)
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Originally Posted by Squintz82 View Post
This trick was beaten to death a while back, but you will get battery life at the expense of functionality. You will notice that with this setting off, you will lose certain app functionality when the phone is asleep for ~10 minutes or so. This includes email or other apps that require data.
Yeah, I seem to remember Pandora losing connection (I sometimes listen to it at night while trying to fall asleep) after about this very period of time when I had this setting turned off.
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Old July 13th, 2010, 05:14 PM   #14 (permalink)
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gchat looses connection as well.
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Old July 14th, 2010, 05:34 AM   #15 (permalink)
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gchat looses connection as well.
That's the reason I turned the setting back on. GTalk WILL NOT keep (or re-establish on its own) a connection with this setting turned off. If I remember correctly, there were other things that I had issues with as well, but GTalk was the big issue.
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Old July 14th, 2010, 03:08 PM   #16 (permalink)
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Yup, these would be examples of apps that aren't capable of initiating a connection on their own. If the data connection is already established, they will work, but they can't make it happen on their own.
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Old July 15th, 2010, 05:37 PM   #17 (permalink)
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Luckily i use non of those apps and my battery has improved to the point i dont worry to much about it.
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Old July 16th, 2010, 08:09 AM   #18 (permalink)
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i will take a functional phone over trying to gain 1 hour of battery time anyday. The topic has been beaten to death, when the phone sleeps it will loose connection and many apps, even some that you all THINK are working, wont work
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Old July 18th, 2010, 03:28 AM   #19 (permalink)
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My phone was at identical up time and awake time, and then I turned this option off, and the times are no longer identical.
It now gives me around 5 more hours than when it was on.

I had this option disabled before, but I turned it back on when trying to troubleshoot PDAnet. I noticed for a couple days afterwards that my phone wasn't lasting nearly as long as it used to (8% battery left rather than 33% battery left by the end of the night; a pretty significant difference). I thought it was LauncherPro, or Maps, or maybe Swype... But then I was diddling through settings and I realized that I forgot to turn that option off. So I did, and my phone is chuggin along at 36% after being unplugged maybe 13 hrs.

Everything is as functional as before, although I don't really use Pandora (Subsonic ftw) and I use Gmail, not Push notifications. The only difference is it is functional for the number of hours I need it to be functional, rather than a couple hours less than what I need.

just my 2 rupees
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Old July 18th, 2010, 05:58 AM   #20 (permalink)
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Originally Posted by tsrdrum View Post
My phone was at identical up time and awake time, and then I turned this option off, and the times are no longer identical.
It now gives me around 5 more hours than when it was on.

I had this option disabled before, but I turned it back on when trying to troubleshoot PDAnet. I noticed for a couple days afterwards that my phone wasn't lasting nearly as long as it used to (8% battery left rather than 33% battery left by the end of the night; a pretty significant difference). I thought it was LauncherPro, or Maps, or maybe Swype... But then I was diddling through settings and I realized that I forgot to turn that option off. So I did, and my phone is chuggin along at 36% after being unplugged maybe 13 hrs.

Everything is as functional as before, although I don't really use Pandora (Subsonic ftw) and I use Gmail, not Push notifications. The only difference is it is functional for the number of hours I need it to be functional, rather than a couple hours less than what I need.

just my 2 rupees

I now get an average of 17 Hrs on my battery
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Old July 24th, 2010, 06:43 PM   #21 (permalink)
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You can accomplish about the same increase by managing your syncing. It does depend on what your syncing...

Many times people have duplicate syncs for say gmail or twitter and it will drain the battery. You can also turn off or down things like weather, twitter, etc... Do you really need instant weather updates?
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Old July 24th, 2010, 07:17 PM   #22 (permalink)
 
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For those crying about battery life or a way to squeeze an extra 40 minutes from your existing battery, go buy a dummy phone, err sorry a dumbphone. You have no business using a smartphone.
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Old July 25th, 2010, 06:00 AM   #23 (permalink)
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For those crying about battery life or a way to squeeze an extra 40 minutes from your existing battery, go buy a dummy phone, err sorry a dumbphone. You have no business using a smartphone.
bye, bye.
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Old July 25th, 2010, 09:00 AM   #24 (permalink)
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Originally Posted by tsrdrum View Post
My phone was at identical up time and awake time, and then I turned this option off, and the times are no longer identical.
It now gives me around 5 more hours than when it was on.
identical up and awake is an indication of a poorly written app stopping your phone from sleeping. You have only masked the problem. you have not resolved the true issue here.
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Old July 26th, 2010, 12:58 PM   #25 (permalink)
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There are three ways the EVO connects to the internet: wireless(3G), wifi, and wimax (4G). I haven't tracked how much or little battery these use and i assume it varies depending on the signal strength and the amount of scanning that is necessary.

However, it makes sense that they use some.

It also seems to make sense that you do not need all three running at the same time, particularly if you are in a location where you know you have 4G or wifi which are usually faster than 3G sand would therefore be preferred.

That is my case. I have 4G at work and wifi at home and therefore do not need 3G - particularly since the 3G signal is not very strong at my house. Elsewhere I would probably want to leave 3G on.

So I am trying to get Tasker and APNdroid to switch 4G on at my office and turn off 3g and wifi and at home to turn on wifi and switch off 4g and wireless and elsewhere to just use 3G. While I have set up the tasks they do not seem to be performing well.

Anyone getting these, or others such as Locale to work like this?
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Old July 26th, 2010, 01:16 PM   #26 (permalink)
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There are three ways the EVO connects to the internet: wireless(3G), wifi, and wimax (4G). I haven't tracked how much or little battery these use and i assume it varies depending on the signal strength and the amount of scanning that is necessary.

However, it makes sense that they use some.

It also seems to make sense that you do not need all three running at the same time, particularly if you are in a location where you know you have 4G or wifi which are usually faster than 3G sand would therefore be preferred.

That is my case. I have 4G at work and wifi at home and therefore do not need 3G - particularly since the 3G signal is not very strong at my house. Elsewhere I would probably want to leave 3G on.

So I am trying to get Tasker and APNdroid to switch 4G on at my office and turn off 3g and wifi and at home to turn on wifi and switch off 4g and wireless and elsewhere to just use 3G. While I have set up the tasks they do not seem to be performing well.

Anyone getting these, or others such as Locale to work like this?
I don't know how Wimax works, but whenever the Inc is connected to Wifi it automatically shuts of 3G. So really all you need is something to toggle 4G and Wifi and 3G will take care of itself.
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Old July 26th, 2010, 01:16 PM   #27 (permalink)
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There are three ways the EVO connects to the internet: ...
You might find the answer here:

Support and Troubleshooting (EVO 4G) - Android Forums
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Old July 26th, 2010, 01:59 PM   #28 (permalink)
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I've tried this months ago but as some people stated already, this will prevent certain apps/widgets from updating in the background. I suggest turning off GPS instead if you haven't already (It does wonders for battery life).

One other thing that may help is removing certain widgets or replacing them with ones that use less resources. For example, I've used a few battery status widgets that constantly ran in the background and shortened battery life. After removing them, I noticed a 1-2 hour increase. It's just my experience, but try for yourself.
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Old July 26th, 2010, 04:12 PM   #29 (permalink)
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I've tried this months ago but as some people stated already, this will prevent certain apps/widgets from updating in the background. I suggest turning off GPS instead if you haven't already (It does wonders for battery life).
Toggling GPS has no effect on my battery life. It should only affect it if some app is using it. If it does affect your battery life, something on your phone is making use of it a lot. The GPS only uses power when the little satellite icon is in your notification bar and the green "radio waves" are moving.
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Old July 26th, 2010, 07:00 PM   #30 (permalink)
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Toggling GPS has no effect on my battery life. It should only affect it if some app is using it. If it does affect your battery life, something on your phone is making use of it a lot. The GPS only uses power when the little satellite icon is in your notification bar and the green "radio waves" are moving.
agreed
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