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Old March 19th, 2012, 10:13 AM   #201 (permalink)
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Originally Posted by alexeyV View Post
Guys, see my post #97 here.
Thanks, I am aware of that procedure. I've been hanging on to the insane notion that an official fix would come any time now. What's really awesome is that I also have a Galaxy Tab 7 Plus and after a recently pushed update, it also seems to have crazy battery drain when asleep on a busy wifi network. YAY for Samsung!

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Old March 19th, 2012, 10:46 AM   #202 (permalink)
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Originally Posted by sircolby45 View Post
That is more than likely a fluke. I find the only thing that works for me is to reset my phone every day when I take it off the charger. When they replaced your battery they reset your phone, so you are probably benefiting from that and not the new battery.
What do you mean by "resetting my phone"? Cold boot? warm boot?
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Old March 20th, 2012, 06:22 AM   #203 (permalink)
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Originally Posted by monotremata View Post
The updater wont run unless you go into settings and check for an update. When it finds the 2.3.6 update it will let you postpone it three times but will then try and force you to upgrade unless you kill the service and then clear its data.

Thanks for that, I'll just never check for an update. Until I know ICS is available that is!
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Old March 20th, 2012, 09:16 AM   #204 (permalink)
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ok, here's something crazy.. I enabled power saving, which did pretty much the opposite. It also messed up how long my screen was staying on. it was going off too early, regardless of my setting. Then... after having power saving mode on for a half day, I disabled it and restarted. Now I'm getting awesome battery life again. I know, probably short lived but it was nice to see Android OS back to under 30% instead of 65%.
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Old March 20th, 2012, 09:23 AM   #205 (permalink)
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ok, here's something crazy.. Then... after having power saving mode on for a half day, I disabled it and restarted. Now I'm getting awesome battery life again.
Pretty darn nutty. So nutty that I'm going to try it myself.

What's odd is that, allegedly, Power Saving mode doesn't kick in until a certain percentage of the battery is left (in my case, 10%). But maybe it's the constant monitoring of the battery that's killing the battery itself.
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Old March 21st, 2012, 10:50 AM   #206 (permalink)
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I had stock android 2.3.6. Battery was draining too fast every day, I tried everything. "Android OS" battery usage was too high. Even rooting and removing all crapware from samsung didn't help until I switch off Location services under Settings -> Location and security -> User wireless networks.

Battery now lasts 4x longer :-)
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Old March 26th, 2012, 08:41 AM   #207 (permalink)
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Originally Posted by kowach View Post
I had stock android 2.3.6. Battery was draining too fast every day, I tried everything. "Android OS" battery usage was too high. Even rooting and removing all crapware from samsung didn't help until I switch off Location services under Settings -> Location and security -> User wireless networks.

Battery now lasts 4x longer :-)
I don't know why but this also worked for me...even with wifi left on. I have a couple of apps that require the location to be on so I just turn it on for those apps. However, my battery life tripled...went two days and still had 40% battery left with moderate use.
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Old March 26th, 2012, 09:36 AM   #208 (permalink)
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10:35 am EST - 76%
Disabled wifi location
Disabled power saving mode

Typically by 3pm and I at 40%, lets see what happens
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Old March 26th, 2012, 11:19 AM   #209 (permalink)
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Originally Posted by dwykofka View Post
10:35 am EST - 76%
Disabled wifi location
Disabled power saving mode

Typically by 3pm and I at 40%, lets see what happens
12:20pm EST - 59%
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Old March 26th, 2012, 01:28 PM   #210 (permalink)
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12:20pm EST - 59%
2:28pm EST - 42%

I dont think I am seeing an increase here
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Old March 26th, 2012, 02:03 PM   #211 (permalink)
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Originally Posted by dwykofka View Post
2:28pm EST - 42%

I dont think I am seeing an increase here
3:02pm EST - 39%

No difference at all for me changing the above settings.
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Old March 26th, 2012, 02:48 PM   #212 (permalink)
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Originally Posted by dwykofka View Post
3:02pm EST - 39%

No difference at all for me changing the above settings.

How often to you have the phone synching your emails? Every minute? Every five minutes? That might be a pull on your battery. If U are able, cut the frequency it synch's looking for new msgs and respond via desktop.

I did this and really helped my battery alot.
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Old March 26th, 2012, 02:57 PM   #213 (permalink)
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I use active sync, switching to a timed sync is not a solution. Prior to 2.3.6 I was getting at least 36 hours on a full charge.

The Solution isn't to isn't to use the device less, it's to make the device stop wasting resources.
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Old March 27th, 2012, 07:27 PM   #214 (permalink)
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I downloaded CPU Spy, let it collect data over night and I found that the phone simply wouldn't go into deep sleep.

Your solutions are simple: go back to 2.3.4, wait for a fix or ICS, install a custom rom, deal with dumb workarounds.
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Old April 2nd, 2012, 06:11 PM   #215 (permalink)
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same problem.....what was the fix finally?
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Old April 5th, 2012, 08:13 AM   #216 (permalink)
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When android OS would use up all my battery life, it would be because the google store was trying to update everything. Simply turning off Background data(found under "accounts and sync" in settings), would stop Android OS using so much battery. Every time you open the google store, you have to enable Background data, so don't forget to disable it again, after you've used the store to update/download apps. Hope this helps!
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Old April 11th, 2012, 08:41 PM   #217 (permalink)
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I have an Infuse and upgraded to Gingerbread this week. Battery drain problem just like everyone has been describing. I noticed WiFi continuously connecting/disconnecting every 30-60 sec on my home network. Never had that problem before. Only solution I've found is to switch to static IP. Going go test battery drain results tonight.
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Old April 18th, 2012, 06:43 AM   #218 (permalink)
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Battery life on ICS 4.04 is MUCH better. Using AOKP build 32. Obviously you need to be rooted and learn how to flash ROMs but well worth it.

[Rom]AOKP 4.0.4 Build 32!!! <-- This is what Task, Pirateghost and Red5 use - xda-developers
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Old May 4th, 2012, 01:38 PM   #219 (permalink)
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It's pretty sad that this is still an issue. I am starting to rethink my stance on Samsung products.
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Old May 4th, 2012, 08:27 PM   #220 (permalink)
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Samsung fixed their i9000 phones months ago, apparently even before this issue hit the i777. AT&T is the one to blame for the holdup and it's apparent you'll have to wait for ICS for any hope of an official fix.

For those willing to root and flash a ROM you can go back to getting 2-3 days of battery life.
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Old May 7th, 2012, 06:23 PM   #221 (permalink)
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Has anyone looked into this possible workaround? Samsung Galaxy S2 Battery Drain Fix / Work-Around
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Old May 13th, 2012, 11:06 PM   #222 (permalink)
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Default Battery Life Fix

I thought that I had a faulty battery so I figured I would do some research on better batteries before I replaced the stock Samsung battery, Model: EB-L1D7IBA (1850mAh). $39.00 USD Each.

I found plenty of the Extended life batteries (3800mAh), However they come with a replacement back door cover because they are thicker than the stock batteries and need the extra room. This would be OK if you don't have a case on your phone, "which to me is insanity" but you'll figure that out when you first drop your phone and you see the pretty design that gravity will leave on your touch screen.

But I happen to have a OTTER BOX Defender case on my phone so the extended battery will not fit. $24.95 USD Each.


Then I found a battery from Amazon.com that gave me (2250mAh) instead of the stock (1850mAh) while keeping the battery the same size as the stock battery. The cool thing is that it's currently selling for $9.74 USD each!



Here is the link to purchase them:
Amazon.com: 2250 mAh Extended Slim Battery for Samsung Galaxy S2-LTE i727R Skyrocket: Cell Phones & Accessories

When I got the new batteries I followed the important pre-charging instructions and noticed that I was getting the same results as the stock battery I replaced. So I went on line and looked around for other users that were having this issue and found a few people that suggested to do a "Factory Restore" on the phone, So I backed my phone up as best as I could and restored it. Well, it WORKED!

Turns out that is all I needed to do. Anyways, I still do have the battery I bought from Amazon.com installed and it is working great! and for $9.74 USD Each you really can't beat it for an original fitting battery with an extra (400mAh).

Hope this helps...
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Old May 13th, 2012, 11:22 PM   #223 (permalink)
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Default OtterBox Phone Cases

Also, Here is the link for the OtterBox Cases for your Samsung Galaxy S II Skyrocket SGH-I727

In my opinion, These are the best cases around for overall protection of your phone!

Samsung Galaxy S II SkyRocket Cases // OtterBox.com

If you get one, you will not be disappointed!
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Old June 27th, 2012, 10:01 PM   #224 (permalink)
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I just upgraded to ICS 4.0.0 still the same issue existing. Any help is appreciated.

Thank you ..
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Old June 27th, 2012, 10:11 PM   #225 (permalink)
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Have you tried upgrading to ICS?
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Old June 28th, 2012, 01:39 PM   #226 (permalink)
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Over the past few weeks, before the ICS update, I realized that the biggest consumer of battery power was the wireless connection. As long as I had it turned off when not actually using it, the batter would end the day with about 70 to 80% battery remaining.

I just upgraded both of our phones to ICS last night and I left the wireless on. As of now, about seven hours in, the batter is still at 87% which is a LOT better than it was.

One thing that seems critical is that you calibrate your battery as described earlier in the thread. If you don't do that, the operating system on your phone simply won't give you accurate information and likely won't allow you to use the whole charge on the battery either.

--Wag--
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Old July 27th, 2012, 10:00 AM   #227 (permalink)
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Found this video today on YouTube... I got my extended battery a week and a half ago... I still have to watch what I do on my phone so as not to piss off my battery and get it drained, but it works better than the old 1800 mAh ones...

I too am missing my Blackberry. Never had a problem with the battery with them...
Galaxy S Phone Battery Life Fix / Solution-- FINALLY! Other Android phones too!!! - YouTube
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Old September 26th, 2012, 09:23 PM   #228 (permalink)
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Hi guys, I'm new and this is my first post. I noticed after the 2.3.6 update my battery life was sucking too. So i googled it and found this thread.

After reading every post I learned that most of you guys had wifi turned on and once you turned off wifi that the battery life improved dramatically. Well, here's my situation:

I NEVER use wifi, I always have it turned off, and my battery life still sucked after the 2.3.6 upgrade! Grrrr... I also noticed that after the upgrade the following items were taking most of the battery:

-Cell standby
-Android system
-Android OS

First off, cell standby should only register during the periods of time where your phone can't find a signal. Before the update, cell standby would only use a small percentage (like 2% percent) because the only time I was without a signal was in an underground parking garage. Now cell standby takes about 15% percent, and when I click on details, it usually shows "time without a signal: 0m." In other words, it's NEVER without a signal, so this should not take ANY battery life.

Also, Android system and Android OS would usually take only 5 - 10% percent (combined) of the battery life before the update, but now they are taking about 30%!

WTF?!?! I'm going to try and do a few full battery cycles like others have suggested and see what happens. I have a feeling like the OS might just be reporting the battery life incorrectly because, just like the battery has been draining faster, the battery has also been charging a lot faster too. So this makes me think...

I'll update this thread in about a week and let everyone know what happens.
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Old September 29th, 2012, 06:45 PM   #229 (permalink)
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I found suggestion to download Battery Defender. Did. Followed instructions and my battery life is awesome. I can now go days without recharging.
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