[Q] Battery issue - Atrix 4G Q&A, Help & Troubleshooting

So, over the past few days I've been noticing a few problems with my phone, all of which have to do with the battery. After installing fauxes OC 1.3ghz kernel I noticed a drop in usages before the phone died, that's a given. So i flashed his enhanced 1ghz kernel instead, but still notice bad battery drops when im using it. It doesn't drop 40% over night or anything, only about 6%. But, if i turn the phone off and back on the % jumps up. Sometimes 20%. Is there anything wrong with the battery, or the phone?

Try calibrating the battery.

i haven't doe that since my first phone. How would i go about doing that.

chaous2000 said:
i haven't doe that since my first phone. How would i go about doing that.
Click to expand...
Click to collapse
http://forum.xda-developers.com/showthread.php?t=1198333&highlight=BATTERY+CALIBRATION
Also, with faux's kernels check your CPU clocking with setCPU, or something similar. Somtimes it will lock at the max clock speed which will contribute to quick battery drain. I'm on his stock enhanced and getting close to 2 days with moderate use.

How do you get two days of battery?! Thar's intense! I haven't been able to get past the 15 or 16 hours with the stock kernel, neither with faux's stock enhanced! Do you usually drop your cpu speed while it's in your pocket or something? Or do I have a bad battery? Because I've been really concerned about this battery not lasting the monster time it is supposed to last...
ghost_og said:
http://forum.xda-developers.com/showthread.php?t=1198333&highlight=BATTERY+CALIBRATION
Also, with faux's kernels check your CPU clocking with setCPU, or something similar. Somtimes it will lock at the max clock speed which will contribute to quick battery drain. I'm on his stock enhanced and getting close to 2 days with moderate use.
Click to expand...
Click to collapse
Sent from my MB860 using XDA App

jeffmena93 said:
How do you get two days of battery?! Thar's intense! I haven't been able to get past the 15 or 16 hours with the stock kernel, neither with faux's stock enhanced! Do you usually drop your cpu speed while it's in your pocket or something? Or do I have a bad battery? Because I've been really concerned about this battery not lasting the monster time it is supposed to last...
Click to expand...
Click to collapse
I have uv and profiles set up in setCPU. I'm actually a little amazed by how good it's been since re-installing all of my mods (went back to stock recovery due to some issues).
If you're experience battery jumps then install the fix noted in the calibration instructions. Most likely you're battery isn't charging to full capacity, so that coupled with the improperly reported stats make it seem much worse than it is. The process is a bit time consuming, but it did work for me.

Little confused with my battery and SetCPU sitll
ghost_og said:
I have uv and profiles set up in setCPU. I'm actually a little amazed by how good it's been since re-installing all of my mods (went back to stock recovery due to some issues).
If you're experience battery jumps then install the fix noted in the calibration instructions. Most likely you're battery isn't charging to full capacity, so that coupled with the improperly reported stats make it seem much worse than it is. The process is a bit time consuming, but it did work for me.
Click to expand...
Click to collapse
Well I have Alien #4 custom rom and it actually has the battery fix so it shows the 1% increase/decrease and I recently did a battery calibration by waiting til it got to 100% with an app that deletes the battery stats as if you would do with recovery mode. I also have CWM recovery and everything doing fine there, my kernel is now Faux's 1.3GHz but limited with SetCPU to 1GHz, and I don't know if it'll get me a better battery life just that kernel. What do you mean by uv? And I have profiles set for when the screen is off and when its charging but nothing else apart from the 1GHz setting. Is it normal that I only have 2 scaling options? Powersave and performace?

Thank you. I will be trying this tomorrow when I have the huge amount of time needed to complete this. And uv means under volt.
Sent from my atrix using xda

Thanks to you! I really appreciate it. I will be waiting for your response and maybe you could tell me if it lasts longer with the 1.3GHz ir the 1GHz. Thanks!!
chaous2000 said:
Thank you. I will be trying this tomorrow when I have the huge amount of time needed to complete this. And uv means under volt.
Sent from my atrix using xda
Click to expand...
Click to collapse
Sent from my MB860 using XDA App

Related

[Q] Wolfbreak's V6 - battery issues...help!

I'm a long time lurker, first time poster, so please...go easy on me as I'm still trying to figure out the lingo and what not!
Anyhow, I just recently installed V6 and everything is absolutely great - except my battery goes down faster than <insert whatever reference you want here..hockey goalie, boxing, sexual>
I initially tried flashing over V5 and that's when the issue started - V5 was fine the way it was, but was starting to eat up the battery a little quicker - maybe due to a couple of new apps installed? did a full wipe and reinstalled v6 and am experiencing the same issue
I don't know if it's a problem with my actual battery or what...anyone have any suggestions?
Fully charge the battery until the green charged light goes off then reboot into XRecovery and wipe your battery stats.
Sent from my X10i using xda premium
Alternatively, there's the battery calibration app.
Alternatively, build your own stock ROM. Wolfs ROM has IMHO too many uneccesary tweaks that drain the battery... although his performance ROM has awesome battery (I'm using it right now)... lol I dunno why..
Sent from my X10i using Tapatalk
Well its tough to explain u, but use set cpu and reduce the maximum processing speed to 384. The battery will be consumed to the lowest. I have done the same. And my x10 works for min 1.5 day.
GreatBigDog said:
Fully charge the battery until the green charged light goes off then reboot into XRecovery and wipe your battery stats.
Sent from my X10i using xda premium
Click to expand...
Click to collapse
I installed the ROM with a full battery and after the first thing I did was use the battery calibration app
Ogbert_theNerd said:
Alternatively, there's the battery calibration app.
Click to expand...
Click to collapse
did that
Prodigy said:
Alternatively, build your own stock ROM. Wolfs ROM has IMHO too many uneccesary tweaks that drain the battery... although his performance ROM has awesome battery (I'm using it right now)... lol I dunno why..
Sent from my X10i using Tapatalk
Click to expand...
Click to collapse
You know, I just might do that...I just gotta find a guide or how-to to do this...I'll let you know my progress...in a few years
ynkamat said:
Well its tough to explain u, but use set cpu and reduce the maximum processing speed to 384. The battery will be consumed to the lowest. I have done the same. And my x10 works for min 1.5 day.
Click to expand...
Click to collapse
um..I have no-frills cpu - figure it's the same, or is set cpu a better app?
max clock freq is at 998Mhz; min at 245; governor is at ondemand (gotta read up on this..) and i/o scheduler is on deadline..should I change any of the other stuff?
thanks!
I use juce defender plus and if needed I could go a couple of days without charging.
Sent from my X10i using xda premium
Not sure if my problem is the same but my phone WB v6 (even on v5) will turn off when used heavily i guess (less than 5min video games seem to be ok but other apps will do it randomly). but the battery will say like 65% whatever it should be from the use so far after a reboot most of the time i have then same % as before the umm crash but sometimes it shows 25% and turns off then if i leave it for a bet i get back to the higher % but will still crash with a little app use. Frustrating as i LOVE the ROM!
So far no crash during phone calls. But the crashes are no rhyme or reason. I have tried calibrating and full flash but it came back.
(would have posted in the ROM thread but i have too few postes and this seemed a better place)
Hung Wei Lo: which version are you using? Try lowering min frequency, adjust settings (like brightness). I'm on v6 with Freekernel and I get 2-3 days on a full charge. Maybe an app is preventing your phone from entering deep sleep.
Rabbit Stew: are you overclocking? Try a full wipe including battery stats, then installing v6s. The stock version should be the most stable.
Here's two methods that work for me.
To me the battery calibration app, is USELESS, no offence to the developer.
1. Wiping battery stats: http://forum.xda-developers.com/showthread.php?t=943626
or
2. Optimizing battery with just a charger and phone: http://forum.xda-developers.com/showthread.php?t=1071885
Don't go anymore then 5 tries.
I figured I'd give an update on this..
Things had magically sorted themselves out - battery life got better and better each day, though not to the point most of you are getting (I'm talking MAYBE 14 hours of minimal usage - the odd facebook check, random text message etc)
As suggested, I've set the min. frequency to the lowest possible, screen timeout is at like 30 seconds
As of the past couple of days, I've been getting half that...no new apps installed all the same settings...wifi is off, brightness is set to 25%, no gps usage all I have on is data. As an example, I charged her up and unplugged it with an hour to go before I was done at work. an hour ride on the subway doing nothing but listening to some tunes, and I'm down to 60%...in two hours
I'm at wits end here...according to cpu spy here are my most recent stats:
998 - 0:01:49 - 35%
576 - 0:00:-4 - 1%
384 - 0:00:03 - 3%
245 - 0:00:52 - 17%
deep sleep - 0:02:11 - 42%
thoughts (related to this issue)? suggestions? ideas?
is calibrating the battery will solve the phone randomly restart??
In my infinite wisdom, I'd have to seriously doubt it...did you do a fresh install?

terrible battery life!

Hi all, I'm new to this part of the xda forums as I had a nexus before, just got the upgrade to the Atrix, rooting,unlocking of bootloader everything went well but I just flashed Aura's from with feux kernel and im getting really really bad battery life, like I'm talking 4-5 hours. There is one process thats really confusing me, its just called "x" and its sitting there taking about 35% battery, my screen is taking 55% battery.
It's getting really annoying as my nexus used to give me about 12 hours and the only reason I moved to the atrix was to get the better battery life that I saw with all my atrix touting friends (they all had 1-2 days battery life) I'm about to flash homebase and see if that fixes it but I don't know whats going on. I have a UK MB860 and I used http://forum.xda-developers.com/showthread.php?t=1196747&highlight=t-mobile+root to root. Pleaseee can someone help!
X is the webtop and there is a fix somewhere for that (doesn't completely work). Just flash CM7 beta. Its much better than any other ROM and has the best battery life. Everything except the finger print scanner and webtop work.
Also I had really good battery on the Ying Yang ROM.
Speedily sent from CM7 Beta
I think I might give CM7 a go you know, I loved CM on the nexus, even after it killed the memory chips it was still good! Im going to try it, is it really stable?
EDIT:
since updating to CM7 and Wiping my battery stats I have some how gained 39% battery!
amzter said:
I think I might give CM7 a go you know, I loved CM on the nexus, even after it killed the memory chips it was still good! Im going to try it, is it really stable?
EDIT:
since updating to CM7 and Wiping my battery stats I have some how gained 39% battery!
Click to expand...
Click to collapse
I haven't had any issues with it. And the gain is very odd.
Speedily sent from CM7 Beta
Try alien, i had some battery issues with some other roms and kernels and tried alien and all is good.This phone comes with an 1930Mah battery one of the largest i've ever seen and it lasts me 12 hrs on heavy use.
battery stats
I've had great battery life on the atrix, now I'm getting a good look at the atrix on the 4800mah battery. I'm a heavy user and I could not get over 24 hours. And now I have 59 hours and I have yet to actually see how far I can take it. Cm7 beta. Juicey....
I find that all gingerbread roms have horrible battery life compared to froyo on the atrix. Cm7 battery is worse but the phone is smoother. Faux 1.3ghz kernel has even worse battery.
Regardless of the radio or magical method of resetting the battery state you use.
1:25 screen time and at 47% battery. Been off the charger for 6:15. It will make it through my 10hr shift with about 20% remaining if I'm lucky, usually I just toss it on the charger.
Background data is off, email and social apps are manual sync and wifi is off.
Sent from my MB860 using XDA Premium App
one weird thing I am seeing is the display which is at 0% brightness is using 91% battery
Also the better battery stats app says my actual battery is 91% but the phone is reporting 66% I wiped thenbattery stats but nothing!
please help!
If you haven't taken a look at it, give this a shot:
http://forum.xda-developers.com/showthread.php?t=1198333
Starting to mess around with your phone opens up a world of things that can go wrong. Learn to calm down, search the forums, and try a variety of fixes before giving up on something.
...and use nandroid.
ian426 said:
If you haven't taken a look at it, give this a shot:
http://forum.xda-developers.com/showthread.php?t=1198333
Starting to mess around with your phone opens up a world of things that can go wrong. Learn to calm down, search the forums, and try a variety of fixes before giving up on something.
...and use nandroid.
Click to expand...
Click to collapse
I was just about to post that lol. Also make sure every time you flash a new rom you are at 100% if not that is a sure fire way to cheat yourself out of battery life. I don't know if I'm just one of "the lucky ones" but I easily get over 16+ hours with moderate usage. I'm running CM7 beta with quite a few things frozen.
Ok so I followed the guide to perfection and it didn't improve the battery life one bit! I'm trying hard to find a t-mobile radio I can flash as I have read around it could be my radio that is the culprit and I am also getting rubbish HSDPA readings, I should be getting full bars but since switching to homebase Im only getting one bar.
Using watchdog I have noticed that the Xorg process is using over 50% cpu which does not seem right to be and I believe that because its a linux process Watchdog can't kill it. Is there anyway of fixing this?
1) Uninstall Tango, Facebook and Handcent SMS if any of the three are installed. They are huge battery drainers and you can find less battery hogging substitutes
2) Freeze any unnecessary apps, I believe there is a thread somewhere in the General section that has a pretty decent freeze list (if you flash CM7, you will have very little to freeze but that's good!)
3) Keep brightness down to a minimum when you can, I've noticed kicking the brightness up rather high can be pretty demanding on your battery
4) Set SetCPU Profiles to something like this...
Screen Off 216/216
Charging 1100/216
In Call 456/216
Battery <20% 456/216
Battery <10% 216/216
5) If you have the proper kernel set the CPU govner to power saver.
6) Undervolt, test yours and never apply set on boot unless you are positive it's stable, mine are something like this...
1100 MHz -50mV
1000 MHz -50mV
912 MHz -50mV
750 MHz -50mV
608 MHz -100mV
456 MHz -150mV
216 MHz -200mV
This way when you're phone is idling with the screen off, in a call or low on battery it is undervolting heavily to save maximum amounts of battery
With this setup I can get 30+ hours pretty regularly with moderate-to-heavy usage (weekdays/non-work days), 22-25 hours with more heavy usage (work days) and close to 48 hours with little usage (weekends).
It all depends on your usage and your phone but I have found this setup here to work fairly well.
I am currently on CM7 Beta, stock CM7 radio and stock CM7 kernel, running at 1100/216 when above profile conditions aren't met. 32% been running since 9 am this morning, it is now 3:15 am, today was a long workday.
I can almost guarantee (almost) that its your rom/kernel combination. Had same problem til I changed.
Sent from my MB860 using XDA Premium App
fastboot erase osh
That will nuke your webtop & fix your problem.
I'm now using faux kernel for CM7 and that hasn't improved anything, in fact I think it it has made it worse. It's getting really irretating because using the watch dog app it always says there is one linux process on every rom I use that is clocking at over 50% cpu usage and It won't let me kill it (probably because it's a linux process), its really annoying me because all I want is my phone to work properly but to enjoy the full rooting experience. I know countless amounts of people with atrix's and they get a full day and a bit out of their phone with heavy usage i can't even manage 10 hours!
amzter said:
I'm now using faux kernel for CM7 and that hasn't improved anything, in fact I think it it has made it worse. It's getting really irretating because using the watch dog app it always says there is one linux process on every rom I use that is clocking at over 50% cpu usage and It won't let me kill it (probably because it's a linux process), its really annoying me because all I want is my phone to work properly but to enjoy the full rooting experience. I know countless amounts of people with atrix's and they get a full day and a bit out of their phone with heavy usage i can't even manage 10 hours!
Click to expand...
Click to collapse
Watchdog eats battery like a mthrfckr, get away from that. Install BetterBatterStats instead & look for wakelocks. Which linux process are you noticing with that high cpu usage?
How many hours of screen time do you get in those 10 hrs?
Have you tried with a fastboot wipe & internal storage format prior to installing a new rom? Are you using the latest recommended radio for your phone?
amzter said:
please help!
Click to expand...
Click to collapse
Turn background syncing off if you are using that, and get in the habit of doing manual updates.
Too many times (with ANY Android device) people leave background syncing on and it tries sending/receiving data in a weak signal spot when you don't realize it. That's like a hot knife through butter on a battery.
Leave syncing off permanently if possible! That's a huge improvement right there for anyone...
Sent from my GT-I9000 using xda premium
ccrows said:
Turn background syncing off if you are using that, and get in the habit of doing manual updates.
Too many times (with ANY Android device) people leave background syncing on and it tries sending/receiving data in a weak signal spot when you don't realize it. That's like a hot knife through butter on a battery.
Leave syncing off permanently if possible! That's a huge improvement right there for anyone...
Sent from my GT-I9000 using xda premium
Click to expand...
Click to collapse
That's a bit radical, no?
I'd say use Green Power so the phone can update every half hour or hour. It's a smartphone at the end of the day..

still battery drain on CM7.1 . what UV settings are you using with glitches kernal

what under volt settings are you guys using under CM7.1 with glitches kernal. my battery life is still horrible
thanks
While not a direct answer to your question, I'll just throw it out there that I'm on nightly 89, stock kernel and get great battery life.
I haven't made the switch to glitch yet since stock is working fine for what I do
-50uv across the board...I can go more but then the sleep of death starts.
dvigue said:
what under volt settings are you guys using under CM7.1 with glitches kernal. my battery life is still horrible
thanks
Click to expand...
Click to collapse
What are your uv settings?
Myself I use -200mv 100-400Mhz and -125mv at 800Mhz and above
If you are not able to achieve 3 hours of screen on time and 30 minutes of calls over a 12 hour period. You have an app that's gone rouge or your battery is on it's way out and you need a new one. Undercutting a couple hundred "millivolts" to the cpu is not going to be the miracle you are looking for.
good day.
chopper the dog said:
If you are not able to achieve 3 hours of screen on time and 30 minutes of calls over a 12 hour period. You have an app that's gone rouge or your battery is on it's way out and you need a new one. Undercutting a couple hundred "millivolts" to the cpu is not going to be the miracle you are looking for.
good day.
Click to expand...
Click to collapse
i just did a factory reset, and am charging back to 100 now. then ill see how the battery is...
don't forget to wipe battery stats in cwm.

Terrible, terrible battery life. (CM7/Faux123 Kernel).

So I took the plunge and unlocked my bootloader, and flashed the latest weekly of CM7. I love it so far, very responsive and quick.
I decided to flash the latest Faux123 kernel (CM7 Unified). After getting great quadrant scores, I was happy. I have a custom kernel on my Transformer TF-101 as well.
Here's my issue:
I get about 3 hours of battery life.
I clocked the kernel to max at 1.2ghz, and I even scaled the governor to powersave. (Using Rom Toolbox, min/max in SetCPU).
I have not undervolted anything at all.
My phone idle seems to shoot up to 40-50% most of the time, and SetCPU says that my phone spends most of it's time at 1ghz+. My TF would pretty much fall asleep at 216mhz, but that's a different device.
Is there something I'm missing?
This was a clean flash, and I always have plenty of free ram. I don't seem to have any wakelocks longer than 10 mins (alarm manager) either.
Oh, and my battery has been properly calibrated.
The stock kernel gave me great life (30+ hours). I expected a little loss, but not this bad after flashing.
Help!
Try a newer kernel. Governors don't work properly with our tegras. A newer kernel should have that disabled and more power save options.
Sent from my MB860 using XDA
What kernel do you suggest? Ive been out of the atrix scene for a good bit now lol.
My issues with battery life disappeared after installing jokersax's cm9 beta along with faux's kernel for cm9
Also be sure your battery isnt old and calibrate it(guides on main atrix forum)
Can I use a cm9 kernel on cm7? I don't really want to take the ICS route until it's developed a bit more.
My battery has been properly calibrated, though it still doesn't always hit 100%. I have no idea why either.
silentecho13 said:
Can I use a cm9 kernel on cm7? I don't really want to take the ICS route until it's developed a bit more.
My battery has been properly calibrated, though it still doesn't always hit 100%. I have no idea why either.
Click to expand...
Click to collapse
I woldnt try that.. About cm9, even though its beta, its pretty usable right now, most stuff works fine, you can always go back id it doesnt work.. I didnt went back bcuz battery is most important for me
Hmm, what about kholk or clemsyn's kernels?
silentecho13 said:
What kernel do you suggest? Ive been out of the atrix scene for a good bit now lol.
Click to expand...
Click to collapse
I've stuck with fauxs. I think I'm using version 23. I'm not using the lastest one as it makes one of my apps buggy and I don't like how my CPU jumps around when idle. He is currently working on those bugs, but they are hard to correct. Lots of other people are using it though with good results. I also stay with the 1.0ghz versions. Overclocks are nice but I don't need them and perfer the extra battery life.
Sent from my MB860 using XDA
So after a night's recharge, it seems to be working a little better.
CPU Spy says that it's in deep sleep most of the time.
Turns out I had SetCPU, Rom Toolbox, and CM7's settings regulating the clock speed. I uninstalled SetCPU, turned off Rom Toolbox, and let CM7 take care of it.
Life isn't as great as I expected, but its an improvement. The processor still does "jump around", but I expect that to be fixed at some point.
I considered clemsyn's kernel, but I don't want to risk not having an "elite tegra" and blow up my phone.
I really like the .24 1.3ghz Faux kernel. With SetCpu I change between 1.2OC (using lapdock) and 1.1OC (rest of time).
Battery life is equivalent to stock kernel. (I put it on charge when I go to bed and take it off early in the am). It usually has 50% left after streaming music to and from work/Endomondo using gps to track 45 minute workout, all my widgets (news and weather) and a few phone calls.
Phone stays much cooler.
Quadrant standard vs my wife's Atrix (fully stock) with the kernel at 1.1 is 30% better.
Stock ROM; not CM7 however.
I just looked at a days logs. It says that my phone spends 3+ hours in both 1.2ghz and 800mhz, and about 9 hours in deep sleep.
I haven't used my phone much today (40m of display time), and it already got to 15% between 9am and 6pm.
I can't seem to find what's keeping it up either, no obscene wakelocks.

Battery Life Tips?

I was wondering if any of you people could be kind enough to give me some more battery tips for my new SGS3.
I'm getting around 4-5% / hour battery drain on standby. I have 2 GMail accounts on sync.
Here's what I've done:
-> Removed Kik Messenger because it was commandeering an outrageous amount of Wakelock Time (about 5-11% of Wakelock Time in 4-7 hours).
-> Installed Omega v5.0 (latest).
-> Still on Stock Kernel
-> Changed my WiFi Policy to "Only when Plugged in"
Turn off automatic synchronizatikn for fcbk email or other accounts.
Sent from my GT-I9300 using XDA
Totòòò said:
Turn off automatic synchronizatikn for fcbk email or other accounts.
Sent from my GT-I9300 using XDA
Click to expand...
Click to collapse
What does Facebook sync anyway? I always thought it was just once to get the contact pictures. I will disable it now
I've been using Foxhound and Siyah kernel, super combo. I can honestly say it's the best performance/battery life on any android device I've used, 6+ hours of screen on consistently - wifi/gps on, 3gmails autosyncing, autobrightness, 1hr>calls, 50+texts, light browsing, redditt, Google Music... Battery life is so subjective though depending on your apps, usage, cell signal, etc.
Experiment! All things being equal, in my experience its the kernels that make the biggest difference in significant battery life improvements, with the exception of stock roms vs. AOSP/AOKP, battery life doesn't differ very much minus bloatware in the various roms. And if you're a flashaholic like me you'll actually have to wait a few charge cycles to get an accurate representation of battery performance for your phone.
kchino said:
I've been using Foxhound and Siyah kernel, super combo. I can honestly say it's the best performance/battery life on any android device I've used, 6+ hours of screen on consistently - wifi/gps on, 3gmails autosyncing, autobrightness, 1hr>calls, 50+texts, light browsing, redditt, Google Music... Battery life is so subjective though depending on your apps, usage, cell signal, etc.
Experiment! All things being equal, in my experience its the kernels that make the biggest difference in significant battery life improvements, with the exception of stock roms vs. AOSP/AOKP, battery life doesn't differ very much minus bloatware in the various roms. And if you're a flashaholic like me you'll actually have to wait a few charge cycles to get an accurate representation of battery performance for your phone.
Click to expand...
Click to collapse
Thanks for the big post! ^v^. I am going to flash the SiyahKernel. But after turning Facebook Sync and the Wifi Policy (which I found out about today).
My battery is at 93% at 2h 01m 05s (also my battery goes down to 99% as soon as I take it off the charger). So thats 6% in 2 hours which is 3% / hour ! Getting there ^^
Apparently going to 99% immediatelly after the charger is normal for Samsung devices. So I wouldn't count that as reduction.
I dont use aftermarket kernels and roms, I have disabled a few stock programs I do not use and get a very decent battery with the 2x battery saver. I had already ordered a secondary battery which is on its way actually as well, so ill be covered from there on
sent with SGS3
Annie the Eagle said:
Thanks for the big post! ^v^. I am going to flash the SiyahKernel. But after turning Facebook Sync and the Wifi Policy (which I found out about today).
My battery is at 93% at 2h 01m 05s (also my battery goes down to 99% as soon as I take it off the charger). So thats 6% in 2 hours which is 3% / hour ! Getting there ^^
Click to expand...
Click to collapse
99% right off the charger is a feature .
Undervolting is an option as well.
kchino said:
99% right off the charger is a feature .
Undervolting is an option as well.
Click to expand...
Click to collapse
Oh my! Great feature! Do you know of a guide on how to do that, or is that just a fancy term for "underclocking" ^v^
As I am still on stock kernel I am obviously still on stock speeds but I'm going to flash SiyahKernel after I finish uploading photos of my A77
Annie the Eagle said:
Oh my! Great feature! Do you know of a guide on how to do that, or is that just a fancy term for "underclocking" ^v^
As I am still on stock kernel I am obviously still on stock speeds but I'm going to flash SiyahKernel after I finish uploading photos of my A77
Click to expand...
Click to collapse
I don't think there are any OC/UV guides in the SGS3 forums but you could search XDA to acquaint yourself, there many writeups on the subject. Make sure have ADB and are familiar with it before so you can recover if necessary from any mishaps. Every processor has a different tolerance to OC/UV so there isn't a tried and true method of implementing it you just have to use trial and error.
I won't get in to it too much but undervolting and underclocking are related but different. Undervolting effectively ask the processor to run with less power from the battery at a specific clock speed or frequency. Underclocking would be reducing the overall frequency of the processor depending on the load. They can be used independently or together.
kchino said:
I don't think there are any OC/UV guides in the SGS3 forums but you could search XDA to acquaint yourself, there many writeups on the subject. Make sure have ADB and are familiar with it before so you can recover if necessary from any mishaps. Every processor has a different tolerance to OC/UV so there isn't a tried and true method of implementing it you just have to use trial and error.
I won't get in to it too much but undervolting and underclocking are related but different. Undervolting effectively ask the processor to run with less power from the battery at a specific clock speed or frequency. Underclocking would be reducing the overall frequency of the processor depending on the load. They can be used independently or together.
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Ah thanks a-lot. Would creating a profile to limit the CPU to 300 MHz MAX during screen off save battery also?
I have SetCPU installed and have flashed to SiyahKernel now but haven't fiddled with it yet.
Annie the Eagle said:
Ah thanks a-lot. Would creating a profile to limit the CPU to 300 MHz MAX during screen off save battery also?
I have SetCPU installed and have flashed to SiyahKernel now but haven't fiddled with it yet.
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Download extweaks from the market instead to configure Siyah. Extweaks hasn't been optimized for the SGS3 yet but it works better than SetCPU with Siyah, it also has descriptions of what each setting does.
If you aren't a gamer you could even toggle two of the cores off, definitely will increase your battery without much if any performance hit in real usage.

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