05-08-2012 08:13 AM
223 ... 34567 ...
tools
  1. ricktat's Avatar
    Ap mobile. But if you dont have a problem with that,,, stay where you are.
    01-04-2012 01:40 PM
  2. maskedcarrot's Avatar
    So if we haven't updated to 2.3.6, should we stay on .4?
    Is there anything important that .6 takes care of?
    Outside of the battery drain, I see no difference in updating to .6

    I saw no advantages at all, so stick with .4,. You're not missing anything.

    At least with Verizon Droids, you usually get a changelog of the differences. AT&T is just crap. You get an update which breaks stuff, but shows no sign of anything improving.

    As far as the AP Mobile widget bug. As long as you have it set to never refresh, and remove the widget from your home screen then you'll have no issues.
    01-04-2012 02:19 PM
  3. frozencloud's Avatar
    I was getting this massive battery drain since the update. However, after I drain the battery until it shut down....the battery got alot better after I fully recharged it. Not the same as before, but alot better.
    01-04-2012 02:37 PM
  4. ricktat's Avatar
    Ohh and I got my new battery from AT&T yesterday. It's going dead just as fast. I am really suprized the battery wasnt the problem.

    But I did get a free battery.
    01-04-2012 03:50 PM
  5. pounder001's Avatar
    Nothing technical here, but there is little doubt in my mind that in 2.3.6 that WiFi is the culprit, all day today at work I had WiFi shut off and my battery life was fine and the Android OS battery % was 8%
    Once I got home I turned my WiFi on and sure enough 2hrs later my Android OS battery % had shot up to 23% and my battery had dropped 13% to 15%
    01-04-2012 06:41 PM
  6. accel junky's Avatar
    I'd like to add my story. I had the same problem with battery drain after the update. High usage on the Android OS. My battery usage chart even showed a straight dropoff about 2/3rd through the day when I picked up my phone to leave work and noticed I had gone from 80's to 34%. The line just took a right angle and dropped before stabilizing. I removed my battery and restarted and the battery level when down to 18% immediately lol.

    Anyways, I went to the link suggested in this thread (went here: http://forums.androidcentral.com/t-g...axy-s-2-a.html) and followed the steps. I backed up a few things off my phone manually but as it turned out when Odin finished I still had every one of my files, apps and settings all exactly where I left them only I'm back to 2.3.4 now. I thought I was going to be in this all night setting the phone back up.

    Can't comment on battery life much yet but in the last 30min I believe I've used no more than 1% if even that.
    01-04-2012 08:19 PM
  7. ricktat's Avatar
    I called AT&T tonight to say that the new battery didn't help. They had me do a factory reset and said if that didn't help that they would send me another phone.

    That won't help either but I was wondering if anyone with a replacement from this week can confirm it had 2.3.4 on it? That would help.
    01-04-2012 08:20 PM
  8. runtohell121's Avatar
    Well.. I received the replacement battery today.. Haven't bother putting it in since it will probably be the same result.

    The new battery:
    Made in China/Finished in Korea
    GB/T18287-2000, 3.7 V Li-ion, 6.11Wh
    Manufacture date: 2011.11.30


    01-04-2012 08:35 PM
  9. bxborn31's Avatar
    I called AT&T tonight to say that the new battery didn't help. They had me do a factory reset and said if that didn't help that they would send me another phone.

    That won't help either but I was wondering if anyone with a replacement from this week can confirm it had 2.3.4 on it? That would help.
    how did guys get batteries sent to you? I went into att store n all they said was there aren't any battery problems.

    Sent from my SAMSUNG-SGH-I777 using Tapatalk
    01-04-2012 10:30 PM
  10. runtohell121's Avatar
    how did guys get batteries sent to you? I went into att store n all they said was there aren't any battery problems.

    Sent from my SAMSUNG-SGH-I777 using Tapatalk
    Calling AT&T or chatting with AT&T via Live Chat.

    edit: tested out the new battery.. still battery drain issue.. LOL.. guess I'll wait for the next update or just ask for a new aka recondition/refurbished device?
    01-04-2012 10:55 PM
  11. surf1's Avatar
    Calling AT&T or chatting with AT&T via Live Chat.

    edit: tested out the new battery.. still battery drain issue.. LOL.. guess I'll wait for the next update or just ask for a new aka recondition/refurbished device?
    your better off just flashing a rom like unNamed which is based off 2.3.4
    01-05-2012 05:11 PM
  12. mviglesias57's Avatar
    Is there a way to make the update notification go away? I'm getting tired of seeing it, and I'm not installing it until the bug is fixed.
    Jonna09 likes this.
    01-05-2012 11:28 PM
  13. Jonna09's Avatar
    Same here.....not going to update
    01-06-2012 07:14 PM
  14. BrockSamsonFW's Avatar
    I didn't really see this mentioned in this thread, but it's almost certainly at the core of the issue.

    Before the update, many people had internet connectivity issues with the phone. Normally the internet connection prefers wifi and when that is unavailable it would instead try 4G, then 3G, and finally 2G (or was it 3.5G then finally 3G?). The idea is obviously to go with the best and fastest connection method available. The problem was that there was a bug that would cause the connection to permanently lock up when it couldn't find the 4G signal, even if wifi or 3G were available at full strength. The connection would become locked until you reset the radios by restarting the phone or entering and then exiting airplane mode. It was bad enough that many people went into debug mode and disabled the 4G connection to significantly reduce the issue, so I'm surprised that nobody brought it up.

    Anyways, this update was most likely meant to fix the issue, and it actually did fix it, but in the process they obviously have added a new bug. Before I used to have to reset my phone a few times a day in order to check FB/email. Now I get home with 20% battery left instead of 80%. At least the phone itself is awesome, so if they could just fix this issue....
    01-06-2012 07:33 PM
  15. surf1's Avatar
    I didn't really see this mentioned in this thread, but it's almost certainly at the core of the issue.

    Before the update, many people had internet connectivity issues with the phone. Normally the internet connection prefers wifi and when that is unavailable it would instead try 4G, then 3G, and finally 2G (or was it 3.5G then finally 3G?). The idea is obviously to go with the best and fastest connection method available. The problem was that there was a bug that would cause the connection to permanently lock up when it couldn't find the 4G signal, even if wifi or 3G were available at full strength. The connection would become locked until you reset the radios by restarting the phone or entering and then exiting airplane mode. It was bad enough that many people went into debug mode and disabled the 4G connection to significantly reduce the issue, so I'm surprised that nobody brought it up.

    Anyways, this update was most likely meant to fix the issue, and it actually did fix it, but in the process they obviously have added a new bug. Before I used to have to reset my phone a few times a day in order to check FB/email. Now I get home with 20% battery left instead of 80%. At least the phone itself is awesome, so if they could just fix this issue....
    Weird, never had that connectivity issue.
    01-07-2012 11:33 AM
  16. Onanda's Avatar
    No, I think the core of the issue is there is something wrong with the update. Nothing was set differently on my phone, no usage differences, no noticeable differences in functionality - yet my battery died in less than 24 hours when it used to last 3 to 3 1/2 days.

    I went into AT&T store to see what they would offer and he started in with the 'battery saving' ideas. Then suggested maybe this update 'fixed' something like 4G that wasn't working before and now life was more normal - REALLY?? You sold me a phone that wasn't working properly??

    Anyway, I decided to un-root. I lost no data or settings, but had no wi-fi at all. Finally had to hard reset and set up everything again. Now all is working. It's been 24 hours and my battery remaining is 81%. Yeah!
    01-08-2012 11:44 PM
  17. birvini's Avatar
    It's definitely related to the WI-FI and the new update. With the WI-FI turned off on both of our GS2's for the past week the battery life is great. I mentioned in a previous post that I put ATT on notice that they would cover any overages on our data plan until they fix the issue. Everyone without unlimited data should do the same.
    pounder001 likes this.
    01-09-2012 08:34 AM
  18. Rytherix's Avatar
    I am suffering from the same issue since the update, battery drain is 8% an hour with airplanemode and wifi on ;-;. The saddest part is I got my wonderful amazing SII 5 days before the update and it was the most amazing phone I have ever owned... and now its crippled! I think I am gonna bother AT&T for a new battery and wait for the impending ICS update to fix the damn issue
    01-09-2012 10:11 AM
  19. runtohell121's Avatar
    ^Getting an extra battery doesn't fix anything.

    Unlimited data isn't even truly unlimited.. you get slowed down around 2gb with your "unlimited" data plan.
    01-09-2012 12:07 PM
  20. Entropy's Avatar
    I was getting this massive battery drain since the update. However, after I drain the battery until it shut down....the battery got alot better after I fully recharged it. Not the same as before, but alot better.
    It's an intermittend problem - rebooting can make it go away temporarily, but it'll be back.

    your better off just flashing a rom like unNamed which is based off 2.3.4
    unNamed 2.x is UCKK6 based - it seems less prone to these issues for some reason, but it is not immune to them.

    I've been running VillainROM 3.0, based off of the international XXKI3 base - MUCH better battery life in some situations than even UCKH7.

    I didn't really see this mentioned in this thread, but it's almost certainly at the core of the issue.

    Before the update, many people had internet connectivity issues with the phone. Normally the internet connection prefers wifi and when that is unavailable it would instead try 4G, then 3G, and finally 2G (or was it 3.5G then finally 3G?). The idea is obviously to go with the best and fastest connection method available. The problem was that there was a bug that would cause the connection to permanently lock up when it couldn't find the 4G signal, even if wifi or 3G were available at full strength. The connection would become locked until you reset the radios by restarting the phone or entering and then exiting airplane mode. It was bad enough that many people went into debug mode and disabled the 4G connection to significantly reduce the issue, so I'm surprised that nobody brought it up.

    Anyways, this update was most likely meant to fix the issue, and it actually did fix it, but in the process they obviously have added a new bug. Before I used to have to reset my phone a few times a day in order to check FB/email. Now I get home with 20% battery left instead of 80%. At least the phone itself is awesome, so if they could just fix this issue....
    Never saw any issues like that on UCKH7.

    It's definitely wifi.
    1) Confirmed through multiple Shark for Root (which is Wireshark for Android...) captures - Sometimes Broadcom's BT-AMP feature of the wifi chipset goes totally insane and fires wakeup interrupts once a second. I've linked threads earlier that have examples of such Shark captures.
    2) I'm also suspecting that something changed in UCKK6 to make the wifi chip respond to IPv6 multicast, when UCKH7 didn't. I'm not sure of this, I need to run some tests but haven't had time. This will cause battery drain on networks that have IPv6 multicast traffic (Windows Client Backup, UPnP SSDP, etc.)
    01-09-2012 12:20 PM
  21. ricktat's Avatar
    I have had to reboot maybe 5 times in the last 3 months when data would stop connecting after I left Wi Fi. I could turn on/off airplane mode or on/off wi fi and it would still show an empty spot for data.

    Like I said 5 times in 3 months. I only remembered this because it did it again yesterday.
    01-09-2012 02:43 PM
  22. sing1981's Avatar
    i live chat with AT&T tonight and i was told my warranty is gone because i use a different charger other than samsung ...... what should i do .V.
    01-09-2012 07:38 PM
  23. jonmc1's Avatar
    I got the 2.3.6 update and just like many others my battery life immediately turned worse. It's going down 3%-5% per hour just sitting on my desk but used to only use 1%. I used to only have to charge every other day. I usually turn it off at night. Now if I start to 100% at 7:00am by 5pm it's down to 40% most days. I tried letting my battery completely discharge two days ago in the hope that recalibrating it would help. It seemed to help for only one day. I'm going to try leaving the wifi off for a few days and see if that helps. I'd rather have the AP Mobile bug back (which killed battery and data use) as I at least knew how to work around it. In another week I might be willing to risk doing the "root" flash back to 2.3.4 if ATT/Samsung aren't going to release a fix for it.

    Update: 1/14/2012 - It's definitely the wifi. I've kept wifi off and battery usage has been great. It's the wifi wakeup bug someone mentioned.
    01-09-2012 10:43 PM
  24. alfandroidcat's Avatar
    Just to add a data point, with WiFi turned off except when I actually need it, and with only occasional use, my battery run time on 2.3.6 appears to be pretty much as it was on 2.3.4, a couple of days or more to the 20% level. With 2.3.6 and with WiFi on (same use pattern), I get around 10-16 hours to that same level.

    One variable in all of our measurements would be cell signal strength, especially when WiFi is off or unavailable. A weaker cell signal means higher power output from our phone. I don't know what portion of the total power that would normally be, but at this moment my phone says "cell standby" is at 11% for the first day of the current discharge cycle. I've been at home most of the day and the cell signal runs around 2-3 bars on H+.
    coxey52 likes this.
    01-10-2012 02:42 AM
  25. Tarnlight's Avatar
    Possible Solution Found:
    Yesterday, on Android forums, there was a post by dapheel who had gotten a possible fix from Samsung support. It is this:
    Action Taken:
    1. Settings
    2. Wireless and Network
    3. Wifi Settings
    4. Click Menu Button (next to Home Button) and Select Advanced
    5. Select Wi-Fi sleep policy
    6. Change it from "Never" to either "Never when plugged in" or "When Screen turns off".

    I tried it last night. I used the "When screen turns off" option. I also found that the settings change wouldn't take effect until after the phone was rebooted. For me, at least, the problem has been solved. I did also notice that it seemed to take a few minutes, or so, for the wifi to disengage even when the screen goes off. No big deal, however.
    01-10-2012 10:13 AM
223 ... 34567 ...
LINK TO POST COPIED TO CLIPBOARD