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Whats up guys? First post here for a new guy. My Thunderbolt is rooted and I have been trying to find a good kernel that helped my battery life. Started with Das Bamf 1.6.3 remix but the Kernel that came with it was awful on battery life. Without using the phone at all the battery would die after 6 hours. I originally flashed this rom through Rom Manager. I then moved to Liquid Thundersense 1.5 and then flashed a kernel that was ok but not great. Did this through Rom Manager as well. Then I read thatit was best to flash through recovery in Clockwork mod. I did this and went back to Das Bamf. Same problems with the kernel that came with it. I then decided to try Imoseyons lean kernel. First tried the battery saver mode using the terminal emulator in the das bamf toolkit. That did not work at all. Then I tried option #1 for the normal mode. This kernel is INCREDIBLE! The battery barely moves at all and this seems to be the one I want to stay with. One problem.....every once in a while I turn the phone and and see that I used 10-15% of the battery while doing nothing. Every time this happens I see that my 3G icon at the top of my screen is showing data going in and out at all times and won't turn off. The only way to fix this problem is to reboot. Then the kernel is back to being amazing. Has anyone experienced these problems before? If so, is there a fix. With the way that I use the phone I should easily be able to go a full day and still have lots of battery left if I don't run into this problem. I would much rather not go with the fat extended battery. If this has been covered elsewhere I apologize. I tried reading through a bunch of threads but had no luck.
Nobody has anything???? I also noticed today that I had a random reboot. I was leaving a voicemail for my brother and I looked down to see that it was rebooting. The kernel is not extreme in the overclocking or the undervolting. I guess if no one has any ideas I will have to try some other kernels. Its a shame cause the battery life was incredible with this one.
I believe its a great kernel. Reboots could be caused by anything... Almost everyone is getting random Reboots with the tbolts. Your data issue is probably Rom related, I would personally reinstall after manually wipe on everything.
The vary life on this phone is not good, but my personal experience is that its my screen sucking down my batt! It's to much fun to play with.
Sent from my ADR6400L using XDA Premium App
The network could be the culprit, too. I have problems more often than I'd like in metro Atlanta. I've woken up twice since I've had the TB with the battery completely drained after 7 hours, so my alarm clock doesn't go off obviously. I've already dropped to 1X for a couple minutes this morning, so I'm sure the battery loves that.
That's probably Rom related as well. Something is sucking data when it shouldn't be.
My phone only uses around 1-2 % all night. But will drain quickly when I do some morning browsing.
Check your sync. It might be set wrong or you could have one of 1000 or issues.
Sent from my ADR6400L using XDA Premium App
Could be, but both times it happened actually before I rooted, which is interesting. I've only had this happen twice in over 2 months, so who knows.
At least I'm not getting random reboots.
ercDROID said:
Whats up guys? First post here for a new guy. My Thunderbolt is rooted and I have been trying to find a good kernel that helped my battery life. Started with Das Bamf 1.6.3 remix but the Kernel that came with it was awful on battery life. Without using the phone at all the battery would die after 6 hours. I originally flashed this rom through Rom Manager. I then moved to Liquid Thundersense 1.5 and then flashed a kernel that was ok but not great. Did this through Rom Manager as well. Then I read thatit was best to flash through recovery in Clockwork mod. I did this and went back to Das Bamf. Same problems with the kernel that came with it. I then decided to try Imoseyons lean kernel. First tried the battery saver mode using the terminal emulator in the das bamf toolkit. That did not work at all. Then I tried option #1 for the normal mode. This kernel is INCREDIBLE! The battery barely moves at all and this seems to be the one I want to stay with. One problem.....every once in a while I turn the phone and and see that I used 10-15% of the battery while doing nothing. Every time this happens I see that my 3G icon at the top of my screen is showing data going in and out at all times and won't turn off. The only way to fix this problem is to reboot. Then the kernel is back to being amazing. Has anyone experienced these problems before? If so, is there a fix. With the way that I use the phone I should easily be able to go a full day and still have lots of battery left if I don't run into this problem. I would much rather not go with the fat extended battery. If this has been covered elsewhere I apologize. I tried reading through a bunch of threads but had no luck.
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If your worried about data using your battery when your not using the phone you should check out Juice Defender. Just set it up to turn off all data when your screen is off.
Heres your fix..
Ditch DBAMF 1.6.3 and go back to 1.6.1 with the lean kernel.. I get amazing battery life with 161 and 2.5.1 kernel.
I'll give that a try. I also didn't seem to have problems with Liquid Thundersense 1.5 so that may be another option.
So i have a verizon fascinate and am currently running cm7. (first tried the stable release but niw a nightly). Im eeally liking cm, but since i got it my battery life is garbage. Basically the drain seems to come from either the android os sercice or cell standby. Whenever i leave my phone inactive for a while, when i wake it up the battery has dropped a lot and tge phone is very warm. I have been modding this phone for a while, but im no android programmer. Purely based on the forum searchi. G ive done on the issue, it seemsblike cm7 has an issue with my modem or radio.
Extra info: my 3g/2g signals seem fine (always 0% time without signal). Wifi connectivity seems fine. Im also running glitch's kernal altho the problem has persisted with and without it (i did do a kernel cleaning first). I used the "go from anything to jb vanilla" guide cuz i was having issues switching to mtd at first (sry dont have a link rite now but it was on xda) . I get occassional force closes, but not really a problem. When i did a titanium back up, the very first time i flashed cm7 i Did restore system settings, but i did not do that every time since then. Ive done a fresh flash of the stable mod around 3 times trying different stuff, but this one is niggtly as i said, and each has had this issue.
If looked around a lot, and wgile this seems common, no one has posted a consistent solution or explanation to the problem, so thats what im looking for.
Sent from my SCH-I500 using XDA App
Hellomello13 said:
So i have a verizon fascinate and am currently running cm7. (first tried the stable release but niw a nightly). Im eeally liking cm, but since i got it my battery life is garbage. Basically the drain seems to come from either the android os sercice or cell standby. Whenever i leave my phone inactive for a while, when i wake it up the battery has dropped a lot and tge phone is very warm. I have been modding this phone for a while, but im no android programmer. Purely based on the forum searchi. G ive done on the issue, it seemsblike cm7 has an issue with my modem or radio.
Extra info: my 3g/2g signals seem fine (always 0% time without signal). Wifi connectivity seems fine. Im also running glitch's kernal altho the problem has persisted with and without it (i did do a kernel cleaning first). I used the "go from anything to jb vanilla" guide cuz i was having issues switching to mtd at first (sry dont have a link rite now but it was on xda) . I get occassional force closes, but not really a problem. When i did a titanium back up, the very first time i flashed cm7 i Did restore system settings, but i did not do that every time since then. Ive done a fresh flash of the stable mod around 3 times trying different stuff, but this one is niggtly as i said, and each has had this issue.
If looked around a lot, and wgile this seems common, no one has posted a consistent solution or explanation to the problem, so thats what im looking for.
Sent from my SCH-I500 using XDA App
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You could flash jt's vanilla gb rom. That has good battery life.
Sent from my SCH-I500 using XDA App
Plus do you have an overclock?
Sent from my SCH-I500 using XDA App
I have had the standby battery drain on every CM7 version and Kernel tried so far including 7.1 stable,7.0 nightlies,JT's Vanilla,and PoolParty. It's even worse if I shut phone down and don't plug in. It will drop 50 to 75% overnight with phone not on?
Has done it with undervolting,overclocking,and voltage control not even installed. This is first time I have seen others having similiar issues.
I think this is a known issue for all MTD roms on the fascinate, if I'm not mistaken.
Sent from my SCH-I500 using xda premium
TheBDub said:
I think this is a known issue for all MTD roms on the fascinate, if I'm not mistaken.
Sent from my SCH-I500 using xda premium
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I lose only 5% to 10% overnight on CM7 never really notice how much on MIUI cause I never ran it long enough. I guess every phone would behave differently for MTD's or maybe you have an app or mulitple ones that refreshes frequently(Fancy Widget comes to mind).
Well that really sucks, because i do enjoy cm7. But this also means if i go back to a touchwiz configuration like stock dl09 i shouldnt have these issues right?
But before that, has anyone who had these issues tried anything (ie kernels or maybe standby mode power conservation setting, etc... ) that have at least noticeably improved your battery life? Right now mines pretty unbearable (im talking 8hrs while on but totally inactive), but if i can get it up a little i might b able to manage.
Sent from my SCH-I500 using XDA App
I am also experiencing poor battery life. I just flashed 7.1.0 yesterday and absolutely love it. Was using com rom for a few months, but a friend said to try out cwm 7. I used to get about 6 - 8 hours of Pandora while at work and today I only got about 4 before my phone shut off. I'm going to try completely killing battery and charge with phone off tonight an see if it's any better tomorrow.
Any other suggestions? I'm not a noob when it comes to custom roms and flashing (I used to flash the **** out of my G1) but there may have been something I over looked when switching to cwm7. I wiped everything a few times before flashing including battery stats and dalvic.
My battery life is actually really good. Running latest nighty, undervolted -75 across the board,stock kernel, and no overclocking.
Just can't figure why I lose 50-75% of battery overnight when phone is shut down and not charging?
I have the same issue with CM7.1, turning phone of at 80% battery at night to find it at 25% at morning
Is there knows solution?
I've only had this happen a few times and was wondering if anyone had this happen to them also. I'm rooted and run custom roms, it doesn't seem to be rom or kernel dependent.
For example, I had my phone on since noon and haven't really used it since then except a few times to check the time. I just pulled my phone out of my pocket and hit the power button... nothing. I held it down and it started to boot up. When this happens the battery is never dead (it was at 68% with the ext. battery this time), it just wants to turn itself off. It seems to happen when the phone is "sleeping", it's never done it when I'm actively using the phone so it's not an overheating issue.
It's not really annoying since it doesn't happen often, it just confuses me.
brando56894 said:
I've only had this happen a few times and was wondering if anyone had this happen to them also. I'm rooted and run custom roms, it doesn't seem to be rom or kernel dependent.
For example, I had my phone on since noon and haven't really used it since then except a few times to check the time. I just pulled my phone out of my pocket and hit the power button... nothing. I held it down and it started to boot up. When this happens the battery is never dead (it was at 68% with the ext. battery this time), it just wants to turn itself off. It seems to happen when the phone is "sleeping", it's never done it when I'm actively using the phone so it's not an overheating issue.
It's not really annoying since it doesn't happen often, it just confuses me.
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still you might want to check the rom and kernel just in case, either re-flash or change.
if the problem still happens, use your warranty and get a new phone.
what rom, kernel, and recovery are you using?
I actually just happened earlier again. Got a text from a friend that she was here, so I went down and let her in, came back up and went to check my phone a few minutes later and it was off. WTF.
I'm currently using Nils newest business sense with the OC'd ICS kernel and the latest Amon Ra recovery. This used to happen on GB also so it's not a rom/kernel problem IMO.
It happens so sporadically (except for tonight apparently) that it's maybe happened 5 times since I got it on release day.
Maybe I have the governor in cpu master set too low? I have it at the lowest of 384 MHz, I've always wondered this: whats the difference between conservative and powersave?
did it happen while you were on stock GB or on a custom rom and kernel? maybe try relocking and running stock for a while and see what happens?
I honestly don't remember, it's been too long lol. It's not worth it to go back to stock and relock considering I like ICS too much.
brando56894 said:
I actually just happened earlier again.
I'm currently using the OC'd ICS kernel
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that's the issue right there, run the stock kernel at stock speeds.
How could it be the ICS kernel when it's happened on GB also?
Which OC? I've read that the 1.8 causes random stuff like this, but 1.7 doesn't.
Sent from my ADR6425LVW using Tapatalk 2 Beta-5
3.0.16-g4a9c8a3 SebastianFM #1 is what the kernel info says
The zip name is Overclocked_kernel_v1.20_1836_MHz_by_sebastianFM.zip
Not all phones can handle overclocking.
Mine is stable about 98% of the time, it may actually be the extended battery that is causing the issue.
brando56894 said:
Mine is stable about 98% of the time, it may actually be the extended battery that is causing the issue.
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9x out of 10 random reboots are from either undervolting too low or overclocking too high.
I went back to the stock kernel since it seemed to be a little choppy with the oc'd kernel. That may have been the problem after all.
Sent from my Transformer TF101 using Tapatalk
3g, wifi,... All work fine, after I did a full factory reset and flashed v2.2 as an update coming from 2.1 on my international version GS2.
The issue that popped up is, that, while the phone is off, the charging animation seems to be gone and replaced with a yellow text saying 'charging! ??/100' so I can't really see the progress anymore
But when it's turned on charging still works like normal, and it does charge since it's 100% after a night of charging in deep sleep.
For this issue reinstalling the ROM did not seem to help (Other than that 2.2 just runs awesome).
Any information on how to restore the animation would be really helpfull.
I think that is kernel related... Try flashing a different one and see how it goes..
Sent from my hybrid SII with the power of ParanoidAndroid and Fluxi kernel
Yes it's kernel related thing, me too had the same problem before. You may try some other kernels recommended with the rom
Thanks, now that you mention it, this is the first version with CM9 kernel instead of siyah.
Loving the battery life on CM9 though .
Scardroid said:
Thanks, now that you mention it, this is the first version with CM9 kernel instead of siyah.
Loving the battery life on CM9 though .
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try siyah ver3.3.1 it also gives good batt life the way CM9 and also can be tweaked using extweak app from market
Flashed Siyah 3.3.1, and got a nice green animated battery filling up while I charge. Thanks!
Any extweaks settings recommended to get the battery/performance comparable to cm9?
Scardroid said:
Flashed Siyah 3.3.1, and got a nice green animated battery filling up while I charge. Thanks!
Any extweaks settings recommended to get the battery/performance comparable to cm9?
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well really glad ma8 i was of some help to u
have the default settings and see for batt life with a cpl of cahrge cycles first
Had the same problem
I had the same problem a few months ago, flashed a kernel that i hadn't really read up on.
I flashed siyah kernel and no problems since, haven't had any issues with siyah kernel as of yet either!
Siyah battery life with the default profile on seems comparable to CM9. Is it true Siyah will stop releasing for gs2 and will only focus on gs3?
Scardroid said:
Siyah battery life with the default profile on seems comparable to CM9. Is it true Siyah will stop releasing for gs2 and will only focus on gs3?
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no its not true since 3.3.2 is released yesterday
battery animation isssue
Scardroid said:
3g, wifi,... All work fine, after I did a full factory reset and flashed v2.2 as an update coming from 2.1 on my international version GS2.
The issue that popped up is, that, while the phone is off, the charging animation seems to be gone and replaced with a yellow text saying 'charging! ??/100' so I can't really see the progress anymore
But when it's turned on charging still works like normal, and it does charge since it's 100% after a night of charging in deep sleep.
For this issue reinstalling the ROM did not seem to help (Other than that 2.2 just runs awesome).
Any information on how to restore the animation would be really helpfull.
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had the same issue and i just flashed Siyah and problem fixed. But just today i dont know why or how when phone is off and instead of showing the little circles moving when charging off I have just like the reflectuion or shadow of the green battery. just weird the phone seems normal no issues just some drop calls but i just wana gp back as before
Maybe try flashing it again using the same procedure as with a rom (wipe cache, flash, wipe dalv...)?
Hey guys!
I know some thread has been created about the hot Galaxy S II issues, but I have a different experience.
The first time I flashed my phone to ICS, my phone was really hot, and that was really unusual when I used GB before. I was sick of my battery was draining, and my phone was hot, I switched back to GB Checkrom, and guess what? The phone was still hot.
First I thought I could be the rom, but I tried different kernel to see how it is going on when I had ICS, thereafter I switched back to Checkrom GB, and I used NEAK kernel, which I had good experiement, but my phone was still to damn hot, and I reflashed second try, which was Siyah Kernel. Still to hot, now I'm using SLIM ICS, and my phone is hot! What is going on??? Have I been flashing to much, and damaged my hardware or something?
When I'm taking a phone call, or browsing a bit on the net, or even listening to music, charging or standby, still too hot! Any ideas how to reduce the temperature of my phone?
Thanks!
Did you allow the phone to have a few complete battery recharging cycles after each time you flashed another rom? Mine gets hotter right after a new Rom is flashed, after few cycles goes back to normal.
Sent from my GT-I9100 using xda premium
1: hope you wiped when you went from GB to ICS and again when ICS to GB
2: change your modem, or better do a full wipe and flash a stock GB ROM.
Ciex said:
Hey guys!
I know some thread has been created about the hot Galaxy S II issues, but I have a different experience.
The first time I flashed my phone to ICS, my phone was really hot, and that was really unusual when I used GB before. I was sick of my battery was draining, and my phone was hot, I switched back to GB Checkrom, and guess what? The phone was still hot.
First I thought I could be the rom, but I tried different kernel to see how it is going on when I had ICS, thereafter I switched back to Checkrom GB, and I used NEAK kernel, which I had good experiement, but my phone was still to damn hot, and I reflashed second try, which was Siyah Kernel. Still to hot, now I'm using SLIM ICS, and my phone is hot! What is going on??? Have I been flashing to much, and damaged my hardware or something?
When I'm taking a phone call, or browsing a bit on the net, or even listening to music, charging or standby, still too hot! Any ideas how to reduce the temperature of my phone?
Thanks!
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Yup I was like u asking questions here about HEATING effect of SGS2.. But let me explain u wy i got back... When I bought my phone last month 13th I couldn tolerate unrooted phone.. So rooted and installed a custom ROM... U wont believe me while calling i couldnt hold it on EAR! It was that hot... Even if my young bro plays a game or watches a movie it used to get burn like hell..
1. I tried Siyah Kernel My phone was HOT!!(NO hard feelings for Siyah )
2. I tried Fluxi Kernel viola heating effect gone!! But still the phone used to heat up after 20 minutes of continous usage. I mean heavy usage like 3G...
3. Finally tried KI4 modem now the real action started no heat even after heavy usage!!
Dont know whether these things might work on ur phone(In theory must work ) But keep trying different kernel and modems till u come to know this heat is tolearable before that
andymihail said:
Did you allow the phone to have a few complete battery recharging cycles after each time you flashed another rom? Mine gets hotter right after a new Rom is flashed, after few cycles goes back to normal.
Sent from my GT-I9100 using xda premium
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+ 1
Binford... more power!