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I have tried both Eugene's and TeamWhiskey's ROM's.. Ginger Clone, OBSIDAN and ONYX. And all 3 have sucked down my battery in about 12 hours flat with me doing nothing to the phone but loading SystemPanel to monitor the CPU and battery. With all the ROM's the CPU usage has been between 3-10% while in idle. zero phone usage. I have refreshed the battery with every new ROM load.
I was previously using TeamWhiskey's 2.1 Bionix Fusion and was seeing between 1-3% CPU usage at idle and had the battery lasting well over 24 hours with minimal use(checking email, couple short phone calls)
Am I the only one having this issue?? Does anyone else use SystemPanel to monitor their CPU usage and can say what their CPU is using during idle??
Thank you for your time and any help/info you may have.
I don't use the modded versions of Froyo but Stock has awesome battery life from my experience. JL5 is looking great as well.
You or anyone else happen to know where I can find a copy of the stock 2.2 ROM/kernel?? I have an unlocked phone in Japan and it's not supported here, so I wont ever get any updates.
Yes the custom roms have terrible battery life. They always have. However, the stock roms have terrific battery life. After a long day of heavy usage I am at 50%
Sent from my SGH-T959 using XDA App
There isn't really a stock 2.2 Rom for Vibrant because it hasn't been released yet. We have leaked builds (JK2, JK6, JL1, JL4, JL5) that are candidates for release. When they actually release Froyo for Vibrant, that will be your stock froyo rom.
The key to great battery life is using the Stock kernel. Flash that kernel on any ROM and enjoy not having to watch your battery indicator all day.
yea, just read a thread about people complaining about that.
guess I'll just flash back to 2.1..
Thanks for all the help.
I flashed nero v2 w/ voodoo and i reset the battery stats, and now im having trouble draining the battery down to nothing.
Fear the beard...
regP said:
The key to great battery life is using the Stock kernel. Flash that kernel on any ROM and enjoy not having to watch your battery indicator all day.
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Click to collapse
Pretty sure I have flashed the stock kernel.. is there any way to tell what kernel im on? phone just says 2.6.32.9
jayprime said:
I flashed nero v2 w/ voodoo and i reset the battery stats, and now im having trouble draining the battery down to nothing.
Fear the beard...
Click to expand...
Click to collapse
I'll give it a try.. nothing to lose.
To drain the battery, I usually turn on Bluetooth, Wifi, GPS, all the good stuff. Then I downloaded this one Flashlight app from the Market which essentially displays one color full screen, default white. Crank up the brightness and run that app on white and it'll really put the hurt on your battery.
Edit: Today I learned that this may be potentially harmful information. Will someone give a good scientific explanation why though? I'm curious to learn more about batteries. However, this is how I've been draining my battery and it is a damn good method if that's what you want done.
Mine says 2.6.32.9 no matter what kernel i flash. Try flashing it just to be sure. I've tried all the ROMs and they all drain hard until I add the stock kernel to them. Though now a days a lot of ROMs include the stock kernel (Macnut and Axura for sure do). The problem with all the custom kernels is they dont seem to let the phone sleep so when your screen turns off the phone keeps draining as if you were using it. Stock fixes this so when your screen turns off barely any power is used. I
But like I said.. reflash it just to be sure.
regP said:
Mine says 2.6.32.9 no matter what kernel i flash. Try flashing it just to be sure. I've tried all the ROMs and they all drain hard until I add the stock kernel to them. Though now a days a lot of ROMs include the stock kernel (Macnut and Axura for sure do). The problem with all the custom kernels is they dont seem to let the phone sleep so when your screen turns off the phone keeps draining as if you were using it. Stock fixes this so when your screen turns off barely any power is used. I
But like I said.. reflash it just to be sure.
Click to expand...
Click to collapse
You happen to have a link to the stock kernel??
EB-Productions Stock Kernel MOD
*Features*
~ Clock Work Recovery
~ Leaked Stock Kernel
Download > http://www.multiupload.com/ELZHKISZTF
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Click to collapse
Taken from Eugene's site.
to the OP, try axura rom. i have tried all the TW, eugene and axura. axuras the only one who gives me a good batt life
Sent from my SGH-T959 using XDA App
Thats because Axura uses the stock kernel
FDokinawa said:
Pretty sure I have flashed the stock kernel.. is there any way to tell what kernel im on? phone just says 2.6.32.9
Click to expand...
Click to collapse
Android is based on Linux and uses the Linux kernel as a base. The Linux kernel your phone's kernel is based off of is version 2.6.32.9
ok.. think I loaded the stock kernel up.. lol I'll let it run for about an hour and see what kind of CPU numbers I get in idle.
Thanks again for everyones help/input.
FYI.. just put it in flight mode for a bit and CPU usage dropped down to almost 0%.. I'm not understanding why it cant do that when the phone is idle.. ahh well.
Idle for an hour should lose no more than 1% battery depending on how much stuff you have polling and updating.
regP said:
Thats because Axura uses the stock kernel
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Click to collapse
No it doesn't.
regP said:
Mine says 2.6.32.9 no matter what kernel i flash.
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Click to collapse
That is just the version.
That version won't change like the baseband does.
So far I have run stock eh03, lean kernel (rootzwiki) and tks. So far Lean kernel and stock out perform tks by a long shot as far as speed goes, gonna try glitch and see how it compares. Stock no Oc, lean comes Oc to 1200 and tks. I have oc to 1200. but tks has the trickle charge fix, so me personally I would sacrifice some speed for a full battery any day. Anyone else do any testing, and if so, What did you come up with.
Edit: the new GeeWiz kernel is just as snappy as stock on this rom, test will be to see if trickle charge works. Will update op when I get it fully charged. Fully charged and 10 mins later down to 90%, no trickle charge here. Guess ill be using TKS
better to be safe than odining - me
I thought glitch is for mtd based roms only?
droidstyle said:
I thought glitch is for mtd based roms only?
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Click to collapse
Might be, but im gonna try it anyway when I get to work, all my Odin stuff is on the work computer.
Edit : no glitch kernel lol. I guess ill stick with tks, until trickle charge is implemented with lean kernel
better to be safe than odining - me
Glitch IS strictly for MTD ROMs, but I think you guys know that by now from our discussions in the other threads
Has anyone seen John Connor?
skynet11 said:
Glitch IS strictly for MTD ROMs, but I think you guys know that by now from our discussions in the other threads
Has anyone seen John Connor?
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Click to collapse
Lol yeah.
But **** I did forget about geewiz kernel. Gonna test that one for sure on my main phone tho, cause it is touchwiz based. Probably just like the stock, which had quick dl/ul speed. Hopefully it has trickle charge fix. Or it'll be back to TKS
better to be safe than odining - me
Op updated
better to be safe than odining - me
בס"ד
Hey. So I wanted to buy the nexus 4 , and then I've heard that the battery life is suck.
I found out that it could be fixed by installing a custom kernel.
I'd like to apply a cusom kernel
that saves -Alot- of battery , doesnt change anyting specific but the battery usage.
and to still stay with the Original Rom.
Any suggestions? Thanks.
TunneIVision said:
בס"ד
Hey. So I wanted to buy the nexus 4 , and then I've heard that the battery life is suck.
I found out that it could be fixed by installing a custom kernel.
I'd like to apply a cusom kernel
that saves -Alot- of battery , doesnt change anyting specific but the battery usage.
and to still stay with the Original Rom.
Any suggestions? Thanks.
Click to expand...
Click to collapse
try them all out, they are all good. the thing is, all our devices react differently, and all our usages vary with as many users as there are. so the only way that you would find YOUR perfect kernel that YOUR device likes the best is to try them all out. it takes seconds to flash, so time isnt an issue. try one every few days, youll find the one thats for you.
simms22 said:
try them all out, they are all good. the thing is, all our devices react differently, and all our usages vary with as many users as there are. so the only way that you would find YOUR perfect kernel that YOUR device likes the best is to try them all out. it takes seconds to flash, so time isnt an issue. try one every few days, youll find the one thats for you.
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Click to collapse
OK... but all the kernel changes something in the rom. I would like to keep my rom exactly the way it is , exept from the battery usage.
TunneIVision said:
OK... but all the kernel changes something in the rom. I would like to keep my rom exactly the way it is , exept from the battery usage.
Click to expand...
Click to collapse
You can flash any kernel you want, and the ROM will stay the same. The kernel operates "under the hood" (the engine), while the ROM is what you see (rest of the car, to use that analogy). You can use an app called Trickster Mod to tweak kernel settings. Be sure to know what you're doing though, and keep a backup just in case.
Also, be sure if you flash faux or trinity kernel (that I know of), that you flash on top of a stock kernel/reset kernel. If you flash any of those on top of another custom kernel, you could get in trouble (because of the way the kernels are installed).
And the stock kernel is really not as bad as people make it out to be.
Sure custom will usually be better. But stock is not that bad. All those reports of horrid battery life I really don't know what the heck they are doing to be honest.
I used it for a while. And the other nexus 4 in the house is bone stock. It gets off the charger at 530am and needs to be charged around 4pm with around 4 hrs of screen time and 45 mins or so of candy crush.
ameinild said:
You can flash any kernel you want, and the ROM will stay the same. The kernel operates "under the hood" (the engine), while the ROM is what you see (rest of the car, to use that analogy). You can use an app called Trickster Mod to tweak kernel settings. Be sure to know what you're doing though, and keep a backup just in case.
Also, be sure if you flash faux or trinity kernel (that I know of), that you flash on top of a stock kernel/reset kernel. If you flash any of those on top of another custom kernel, you could get in trouble (because of the way the kernels are installed).
Click to expand...
Click to collapse
albundy2010 said:
And the stock kernel is really not as bad as people make it out to be.
Sure custom will usually be better. But stock is not that bad. All those reports of horrid battery life I really don't know what the heck they are doing to be honest.
I used it for a while. And the other nexus 4 in the house is bone stock. It gets off the charger at 530am and needs to be charged around 4pm with around 4 hrs of screen time and 45 mins or so of candy crush.
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Click to collapse
Now that the battery life is improved on 4.3 JB version , I wont be needed to a custom kernel. Thanks alot.
Dear all,
I am running a Purity 4.4.2 and it's just perfect.
I would like to use the fastcharge feature, therefore I am looking for a kernel that support it.
I am aware that Franco kernel and a modded version of semaphore has it.
The question is pretty clear: which kernel is the best choice to have the fastcharge if I don't care of any other feature. Moreover, I would like not to experience troubles or lags..
Thanks!
MJ
Fast charge is fast charge
There is no best "fast charge"
There is no best kernel. Its up to you to make that choice.
Sent from my Nexus 4 using Tapatalk
You are perfectly right. That's why I asked for "the simplest" kernel. Since I am looking for only for fastcharge, even a stock kernel with fast charge is good.
As far as I know, franco and sempahore are quite complex kernels, loaded with features.
I am just looking for the simplest kernel possible
have you tried hells-core ?
since i know, has no oc, not loaded with a lot of features and is very stable.
mendes1995 said:
have you tried hells-core ?
since i know, has no oc, not loaded with a lot of features and is very stable.
Click to expand...
Click to collapse
I second this. Fast charge works nicely too.
Sent from my Nexus 7 using Tapatalk
Seems like you got your Fast Charge question answered.
No best kernel under the guise of "simplest" are allowed. Takes 1 flash and about 1-2 battery cycles to seem the benefits or hindrances of each. What works for me,may not work for you as we have different usage patterns.
Thread Closed
Hey Everyone
I downloaded the latest Nougat Firmware (France Version) for my SM-G928F
I did a clean Nougat install with Odin (after I wiped everything) and after that I flashed the TWRP Recovery with SuperSU. Now I have experienced that the battery life is really bad, it's like the deep sleep bug I had with 6.0.1. a year ago....
Here's a screenshot of the battery history
https://www2.pic-upload.de/img/33267464/Screenshot_20170602-012352.png
Is there any solution for this issue?
Same for me, on stock with no root i have a bug with deep sleep, i have lost about 10 % in less than 4 hours of deep sleep but idk why. Using XEF Rom too...
You need a kernel that fixes deep sleep issue. I recommended dr ketan nougat rom + kernel it comes with or khongloi rom. Both are polished nougat roms that have extra features with the S8+ port.
If you dont wanna flash a custom rom just flash an arter97 kernel or a khongloi Vx kernel.
I'll try out another stock rom from my country since it's finally released now. But I'm sure the bug does appear again. I really don't like custom kernel or roms, only if there's no other way... Maybe I go back to 6.0.1. Stock, had no issues there with Custom Recovery and Root.
Tahseen I said:
You need a kernel that fixes deep sleep issue. I recommended dr ketan nougat rom + kernel it comes with or khongloi rom. Both are polished nougat roms that have extra features with the S8+ port.
If you dont wanna flash a custom rom just flash an arter97 kernel or a khongloi Vx kernel.
Click to expand...
Click to collapse
I'll give it a try sometimes later, thanks.
KeTuRr74 said:
Same for me, on stock with no root i have a bug with deep sleep, i have lost about 10 % in less than 4 hours of deep sleep but idk why. Using XEF Rom too...
Click to expand...
Click to collapse
yeah it sucks Samsung doesn't like Root and Custom Recovery at all ! Never Samsung again thats for sure....
Tahseen I said:
You need a kernel that fixes deep sleep issue. I recommended dr ketan nougat rom + kernel it comes with or khongloi rom. Both are polished nougat roms that have extra features with the S8+ port.
If you dont wanna flash a custom rom just flash an arter97 kernel or a khongloi Vx kernel.
Click to expand...
Click to collapse
Is there any fix for stock unrooted version ?
I will send my S6Edge + to warranty so i dont want to take the risk to root it now to be sure that it will not make a problem.
Thanks
KeTuRr74 said:
Is there any fix for stock unrooted version ?
I will send my S6Edge + to warranty so i dont want to take the risk to root it now to be sure that it will not make a problem.
Thanks
Click to expand...
Click to collapse
If you havent rooted it go ahead. Its much better to send it to them over rootong your phone.. Gets rid of.any hardware errors if there were any
Tahseen I said:
If you havent rooted it go ahead. Its much better to send it to them over rootong your phone.. Gets rid of.any hardware errors if there were any
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Click to collapse
The problem is my Camera shiver when i open camera app, it look like a problrm with autofocus. Its shiver and make a weirrd sound so i prefer to send it to the repair center
KeTuRr74 said:
The problem is my Camera shiver when i open camera app, it look like a problrm with autofocus. Its shiver and make a weirrd sound so i prefer to send it to the repair center
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Click to collapse
All samsung phones have it. Its just sometimes due to irregular movement the OIS module gets jammed and has trouble trying to stabilise the picture. It usually only happens ever so often.
Tahseen I said:
All samsung phones have it. Its just sometimes due to irregular movement the OIS module gets jammed and has trouble trying to stabilise the picture. It usually only happens ever so often.
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Click to collapse
Probably, but i looked at 2 others S6E+ and never faced an issue like that, i wil try to show you exactly what happen with a video it will be easy to understand
KeTuRr74 said:
Probably, but i looked at 2 others S6E+ and never faced an issue like that, i wil try to show you exactly what happen with a video it will be easy to understand
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Click to collapse
I am pretty sure I know what you mean. No need for a video... plenty on youtube.
Guys, Do you have problems with Charging? After nougat even wen WIPED phone etc. I have problem witch car charger.
With WALL CHARGER on fast charge i can use my phone normally and i can see how fast it charges. In car if i am using Maps it charges verry slowly, sometimes even discharging. With MM it was charging Fast. in 30mins 10% with maps turned on was normal, now it can charge 1-2% or even dicharge 1-2%... Tested Few chargers, original and not;....
Same here. My battery is not very good after update.
Same here. Sh*t Samsung - not enough 1 year delay spreading firmwares when there's a new one already presented and only 18 months firmware guaranteed, there are always more problems and bugs. This battery drain is a problem or bug each time become worst! I think Samsung, never more - or a lot cheaper chinese who are the same or better and not so fragile (like new htc, xiaomi and so on) or iPhone that we've always new firmwares just in time at for, at least, 4 years guaranteed.
I'm pissed off with this sh*t Samsung...