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[Q] Which custom rom/kernel is best for battery life?

I am currently using AOSP+ with the speedy 5 kernel and its chewing up my battery life like theres no tomorrow. I'm dropping at an average of 10% per hour. Autosync, brightness, update intervals disabled or turned down to minimal. My wakelocks are normal. The thing that bothers me the most is the Android OS that's chewing up 45-50% of my battery life. I never had this problem at all with gb. I can go 16-17 hrs without a charge.
Any suggestions would be appreciated. Thanks!
Sent from my Nexus S using xda premium

Try 2g connection instead of 3g
It's normal for android device that recharge everyday...
Sent from my Nexus S using xda premium

qtwrk said:
Try 2g connection instead of 3g
It's normal for android device that recharge everyday...
Sent from my Nexus S using xda premium
Click to expand...
Click to collapse
My carrier only supports hspa+.
Sent from my Nexus S using xda premium

I'm using androidme 1.1.0 .it giving me around 16h including 3h on 3g and 3h screen on ( brightness set on 68%).
Not a single issue with this room.i'm on it for longer than a week, not a single reboot ...
Btw my phone is new, if this is relevant.

AsianXL said:
My carrier only supports hspa+.
Sent from my Nexus S using xda premium
Click to expand...
Click to collapse
..........that's odd , as far as i know , lots lots carriers has 2G and 3G together in order when 3G signal real weak so can switch to 2G to maintain call/SMS

Try haka's kangy-8 with Eugene's speedy 5 sio kernel

Try downgrading to the Speedy-4 Kernel. I'm running the latest AOSP+ rom with the Speedy-4 kernel and my battery life is excellent. I can post a download link to the Speedy-4 kernel if you're interested.

AsianXL said:
I am currently using AOSP+ with the speedy 5 kernel and its chewing up my battery life like theres no tomorrow. I'm dropping at an average of 10% per hour. Autosync, brightness, update intervals disabled or turned down to minimal. My wakelocks are normal. The thing that bothers me the most is the Android OS that's chewing up 45-50% of my battery life. I never had this problem at all with gb. I can go 16-17 hrs without a charge.
Any suggestions would be appreciated. Thanks!
Sent from my Nexus S using xda premium
Click to expand...
Click to collapse
I have the same configuration, Skype used to eat most of my battery and I think this is because Skype haven't update their app yet. I don't use maps or location services, but I noticed that google location service is always on, I forced closed it ( it gets back sometimes) Anyway, after closing skype my battery performance is ok. I used to lose 10%/ hour even if the phone was idle, after these mods I think I lost less than 5% in three idle hours.

Most of the custom ROMs and kernels are rubbish, aren't they? I mean if people really knew what they were doing, they'd work together with kalimochoAz on the official source. Or at least port it back upstream once they've got it working...

zyrill said:
Most of the custom ROMs and kernels are rubbish, aren't they? I mean if people really knew what they were doing, they'd work together with kalimochoAz on the official source. Or at least port it back upstream once they've got it working...
Click to expand...
Click to collapse
What?! No, wtf kind of comment is this?
I personally run AOKP Milestone 2 with Steve Garon's 1.12 kernel and my stock battery runs 30+ hrs with fairly heavy usage.
AOKP/Garon have awesome features above and beyond cm9/kali at this point, and performance has been flawless.
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WTF????????? i need the link to your setup and please elaborate on how much you use your phone? Do you use the music player, 4g? 3g? Phone calls?????? I need your setup links please?
---------- Post added at 11:09 PM ---------- Previous post was at 11:08 PM ----------
Braneless said:
What?! No, wtf kind of comment is this?
I personally run AOKP Milestone 2 with Steve Garon's 1.12 kernel and my stock battery runs 30+ hrs with fairly heavy usage.
AOKP/Garon have awesome features above and beyond cm9/kali at this point, and performance has been flawless.
View attachment 866919View attachment 866920View attachment 866921
Click to expand...
Click to collapse
WTF????????? i need the link to your setup and please elaborate on how much you use your phone? Do you use the music player, 4g? 3g? Phone calls?????? I need your setup links please?

qtwrk said:
..........that's odd , as far as i know , lots lots carriers has 2G and 3G together in order when 3G signal real weak so can switch to 2G to maintain call/SMS
Click to expand...
Click to collapse
My carrier has only been around for 3 years, so a 2G network doesn't exist.
raeef said:
I have the same configuration, Skype used to eat most of my battery and I think this is because Skype haven't update their app yet. I don't use maps or location services, but I noticed that google location service is always on, I forced closed it ( it gets back sometimes) Anyway, after closing skype my battery performance is ok. I used to lose 10%/ hour even if the phone was idle, after these mods I think I lost less than 5% in three idle hours.
Click to expand...
Click to collapse
I don't use Skype.
Braneless said:
What?! No, wtf kind of comment is this?
I personally run AOKP Milestone 2 with Steve Garon's 1.12 kernel and my stock battery runs 30+ hrs with fairly heavy usage.
AOKP/Garon have awesome features above and beyond cm9/kali at this point, and performance has been flawless.
View attachment 866919View attachment 866920View attachment 866921
Click to expand...
Click to collapse
I will give these 2 a try. Thanks everyone!

AsianXL said:
I don't use Skype.
Click to expand...
Click to collapse
ok, do you use any other always on chat apps?
and did you check the location service that I told you about
you can find it by going to manage app>running> Google services

Braneless said:
What?! No, wtf kind of comment is this?
I personally run AOKP Milestone 2 with Steve Garon's 1.12 kernel and my stock battery runs 30+ hrs with fairly heavy usage.
AOKP/Garon have awesome features above and beyond cm9/kali at this point, and performance has been flawless.
View attachment 866919View attachment 866920View attachment 866921
Click to expand...
Click to collapse
Which governor and scheduler would you be using?
Sent from my Nexus S using XDA App

yougotcut said:
Which governor and scheduler would you be using?
Sent from my Nexus S using XDA App
Click to expand...
Click to collapse
Interactive and cfq.

raeef said:
ok, do you use any other always on chat apps?
and did you check the location service that I told you about
you can find it by going to manage app>running> Google services
Click to expand...
Click to collapse
Yeah I use Kakaotalk, WhatsApp, and Line. All 3 were running. I've just uninstalled Line, but will keep the other 2 as they are essentials.
Google Services is running in the background. I unchecked all "location services" and even unchecked automatic restore and backup.

Telus SGS4G battery life and ICS

I've tried many of the SGS 4G ROMS after convincing my Telus SGS 4G it was a T-Mobile version. I really like both remICS-UX and UltraGen ports, but battery life is quite disappointing. 3G/4G was not as good on remICS-UX ans UltraGen.
Any Telus phone users out have suggestions on other ROMS to try, or settings to try for our phone (yes I searched the forums, very few Telus folk here).
Cheers,
BHTM

Flash with hefe kod kernel over your Ultragen rom. You should see a big difference in your battery life. Also turn off wifi and GPS if you r not using it.
Sent from my SGH-T959V using xda premium

The Telus phone is actually the T959P or something and it's reallynot the same phone as they use different bands than Tmobile/Wind does, so I'm surprised the ROM actually works but there could be many things that are draining the battery that are due to the fact that's its not the same phone, and that also would explain why things don't work right in terms in wifi/4g/battery, etc.

Yeah I am totally surprised it worked too. But a few kind Telus users here give easy instructions on how to make it think it is a sgh-t959v. Just hoping they will continue being kind and share there tips and tricks.
Anyway busy thanking and donating to all you kind folks. I'm a happy noob, having fun great fun trying all these custom roms.
Sent from my SGH-T959V using xda premium

Just curious what you did to make it think it's a 959V ?
When you say battery life wasn't as good, can you clarify that? How long were you using it, how long did you have the screen on for, did you change governors to one better suited, can you take a screen shot of your battery window in the settings like this
{
"lightbox_close": "Close",
"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}
Whatever app is listed at the top, in my example, Screen, click on that and take a screen shot, This will show how much time that app has used
If you run something like CPUspy, it will show you the different "states" of your cpu, IE, what speed it's running at. If the phone is in standy, it should run mostly in deep sleep state. If something is keeping it from sleeping, that will affect the battery.
I just took my phone off the charger, but you can see it used 1000mhz for the bootup at full speed, then when I shut it off, it went to deep sleep mode. If there is no deep sleep, then something is keeping it "awake" and that is the cause of the battery drain. Sometimes installing app's can do that.

>Just curious what you did to make it think it's a 959V ?
http://forum.xda-developers.com/showthread.php?t=1225593&page=5
>When you say battery life wasn't as good, can you clarify that? How long were you using it, how long did you have the screen on for, did you >change governors to one better suited, can you take a screen shot of your battery window in the settings like this
Much thanks for the tips, I'll give them a try. Playing with CM10 at the moment,but will try UltraGen again later and capture things. Been wiping everything including sdcard, so no media files to confuse media server.
Just realized I should be in Q&A section, bad n00b :laugh:
BTW, do yourself and dao not take donations? You guys are rockin' the SGS 4G with all the ports and help.

bhtm said:
>Just curious what you did to make it think it's a 959V ?
http://forum.xda-developers.com/showthread.php?t=1225593&page=5
>When you say battery life wasn't as good, can you clarify that? How long were you using it, how long did you have the screen on for, did you >change governors to one better suited, can you take a screen shot of your battery window in the settings like this
Much thanks for the tips, I'll give them a try. Playing with CM10 at the moment,but will try UltraGen again later and capture things. Been wiping everything including sdcard, so no media files to confuse media server.
Just realized I should be in Q&A section, bad n00b :laugh:
BTW, do yourself and dao not take donations? You guys are rockin' the SGS 4G with all the ports and help.
Click to expand...
Click to collapse
There is more coming... btw.
someone is sending me a verizon fascinate, and there is some common code between sgs4g, verizon fascinate, and T959P.
The bigger part is cg2900 gps driver, different digitizer, and a few other odd ball differences.
I also have an SK4G that I'm trying to port as well.
A lot of these devices share the same drivers, and our phones are just a little bit different then aries.
Fascinate even has some problems in the aries kernel, although I think they have work arounds for most of them.
So, as soon as I become available (not busy with work from 8am to 3am daily...) and get the verizon fascinate from... someone, I'm gonna start looking at t959p as well.

very ryeartlt
getochkn said:
Just curious what you did to make it think it's a 959V ?
When you say battery life wasn't as good, can you clarify that? How long were you using it, how long did you have the screen on for, did you change governors to one better suited, can you take a screen shot of your battery window in the settings like this
Click to expand...
Click to collapse
My daily usage is like this: Get on train, use phone to Netflix, read news (Currents, Flipboard, et al), listen to music from Google cloud or Rdio, screen on the entire time (1 hour 15). Don't use phone for 8 hours. Reverse the train ride. Charge phone when I get home for next day use. Rarely have GPS or Wifi enabled. No media on SD card. Only half dozen extra apps (Currents, Flipbord, Google Play Music, Rdio, Google Maps etc).
The stock ROM from Samsung/Telus did a good job of lasting through day and have enough charge to finish the nightly train ride.
Had a chance to play with CPUSpy and try a few things, no deep sleep on remICS-UX or UltraGen and they would not last through the day (unused, screen black) without being charged. I haven't changed the default ROM performance settings or governors (tried to OC but phone got really hot, didn't really notice any difference is application performance, so set it back).
I've just started trying the SlimBean 3.1 ROM seems to be deep sleeping according to CPUSpy. Fingers crossed it behaves closer to stock ROM as far as battery is concerned (deep sleeps when not in use)
Anyway thanks to mcmerrit for the instructions on how to get this odd variant working with the mod community ROMs. Feels like I have a new phone

I've never been able to get more than 10 hours on a charge with 2+ hours of screen time on any ics roms with the stock battery. I do have wifi on pretty much the whole time though.

Erikmm will have another kernel coming out with battery life as good as GB. Stay tuned.
If it helps, hit the thanks button. It's my motivator to be more helpful.

gizmoscoop said:
Erikmm will have another kernel coming out with battery life as good as GB. Stay tuned.
If it helps, hit the thanks button. It's my motivator to be more helpful.
Click to expand...
Click to collapse
You got that right ICS is about to get conquered along with JB
Sent from my Galaxy Nexus using xda premium

Slimbeam 3.1 battery life is quite good. Survived my Monday commute. New battery for my HTC amaze arrived today. But I'll switch back to sgs4g as amaze cm is not as stable.
Sent from my Amaze 4G using xda premium

[Q] Better battery life with 4.2.2??

i've been reading reports of users with N4's getting upwards of 50% increased battery life with the latest stock 4.2.2 update... found multiple people reporting the same thing on the N7 as well... i wonder what was in that update and i wonder if anyone that was using a 4.2.1 ROM that's now on 4.2.2 can share their experience on any increases or decreases they've noticed...
I'm currently running BB7, which is a 4.2.1 based ROM... was thinking of trying another ROM but obviously want to go to a 4.2.2 ROM with theme chooser to find out... just want some feedback before i make the jump...

the1dynasty said:
i've been reading reports of users with N4's getting upwards of 50% increased battery life with the latest stock 4.2.2 update... found multiple people reporting the same thing on the N7 as well... i wonder what was in that update and i wonder if anyone that was using a 4.2.1 ROM that's now on 4.2.2 can share their experience on any increases or decreases they've noticed...
I'm currently running BB7, which is a 4.2.1 based ROM... was thinking of trying another ROM but obviously want to go to a 4.2.2 ROM with theme chooser to find out... just want some feedback before i make the jump...
Click to expand...
Click to collapse
Bb8 beta 4.2.2 is on its way. You can find it yourself.
Sent from my Nexus S

the1dynasty said:
i've been reading reports of users with N4's getting upwards of 50% increased battery life with the latest stock 4.2.2 update... found multiple people reporting the same thing on the N7 as well... i wonder what was in that update and i wonder if anyone that was using a 4.2.1 ROM that's now on 4.2.2 can share their experience on any increases or decreases they've noticed...
I'm currently running BB7, which is a 4.2.1 based ROM... was thinking of trying another ROM but obviously want to go to a 4.2.2 ROM with theme chooser to find out... just want some feedback before i make the jump...
Click to expand...
Click to collapse
with jellyshot 3.0 4.2.2 based i'm experimenting a very good battery life ... but no theme chooser ( luckly ) there ...

On Paranoid Android 3.0 and hellybean 4.2.2 I can say very good battery life with a good kernel
Sent from my Nexus S using xda app-developers app

i flashed a test build for BB8 earlier today... charged up and so far with sync on (usually kills my battery) and 4G/gps on as well and i dropped about 5% in just about 1.5hrs... that seems pretty good for me so far... i usually have to turn off sync and all data services to stay at a steady % for a while... hopefully when i turn thos things off, it won't barely drop... oh and that's with like 10mins of screen so far lol... just a few texts and screenshots to upload some images for my new theme!

This was on the first discharge cycle after flashing the new 4.2.2 Greenblue AOSP. I think it is going to get even better!
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"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
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Sent from my Nexus S 4G using Tapatalk 2

4.2.1 ROM Slim bean v1.1

ej8989 said:
4.2.1 ROM Slim bean v1.1
Click to expand...
Click to collapse
Extended battery I imagine??

polobunny said:
Extended battery I imagine??
Click to expand...
Click to collapse
No. :|

ej8989 said:
No. :|
Click to expand...
Click to collapse
That's insane... o_o do you have only the screen turned out and didn't do anything? No way in hell someone can get 7 hours of on screen time in 1 charge and still have 26%, unless the phone was charged inbetween, just not completely.

AW: [Q] Better battery life with 4.2.2??
ej8989 said:
4.2.1 ROM Slim bean v1.1
Click to expand...
Click to collapse
lol, Cheat!!!
Gesendet von meinem Nexus S mit Tapatalk 2

AzN MusiQ said:
lol, Cheat!!!
Gesendet von meinem Nexus S mit Tapatalk 2
Click to expand...
Click to collapse
LOL. You can make JFK'ish conspiracies if you want to.
I just posted a screenshot of what i saw on my screen a few hours ago.
2g-only mode + minimum brightness + nfc-off, gps-off, data-off, wifi-off afaik

ej8989 said:
LOL. You can make JFK'ish conspiracies if you want to.
I just posted a screenshot of what i saw on my screen a few hours ago.
2g-only mode + minimum brightness + nfc-off, gps-off, data-off, wifi-off afaik
Click to expand...
Click to collapse
How does the battery screen look though?

i'm extremely lucky if i can get 3hrs of screen time... i usually would get around 2-2.5hrs of screen... i also usually have 4G turned on... that 7hrs is not normal and def looks like an extended battery... no way thats stock... if so, what are your exact settings?
btw, my 2 days on 4.2.2 so far have been about the same as with 4.2.1 as far as battery goes... maybe a slight increase in idle time when i have everything turned off (not airplane just data/wifi/gps/sync/etc turned off)... still too early to tell for sure tho!

ej8989 said:
LOL. You can make JFK'ish conspiracies if you want to.
I just posted a screenshot of what i saw on my screen a few hours ago.
2g-only mode + minimum brightness + nfc-off, gps-off, data-off, wifi-off afaik
Click to expand...
Click to collapse
So basically you don't use the device other than to take screenshots of your screen on time...
Sent from my Nexus S 4G using Tapatalk 2

ej8989 said:
LOL. You can make JFK'ish conspiracies if you want to.
I just posted a screenshot of what i saw on my screen a few hours ago.
2g-only mode + minimum brightness + nfc-off, gps-off, data-off, wifi-off afaik
Click to expand...
Click to collapse
that cant be true...i used that combination many times and the most screen time i got was 4h30. i have seen some guys reach 5h and something but 7h and still 26% is just ridiculous. did you restore a nandroid backup that had screen on time recorded or something?
the only way i could consider that is if you put the cpu max @100mhz and left the phone with the screen on for those 7 hours without touching it lol

The best I've ever gotten was 5:20 hours of screen on time with a few 4+ hours of screen on time. I can only do it if I have WiFi & great signal like 3 or 4 bars & the ROM has to be CM10 stable which gives me best battery I've ever gotten I've said this in a few threads already. I can't believe 7+ hours of screen on time with stock 1500mah battery in the Nexus S!
Sent from my Nexus S 4G using xda premium

i'm doing a test now to see how much screen on time i can get from my battery... i started it late... but we'll see what happens lol...
basically my phone is just sitting wthi the screen on and all other signals turned off...

Most I get is probably like an hour screen on

Odp: [Q] Better battery life with 4.2.2??
the1dynasty said:
i'm doing a test now to see how much screen on time i can get from my battery... i started it late... but we'll see what happens lol...
basically my phone is just sitting wthi the screen on and all other signals turned off...
Click to expand...
Click to collapse
This test is not relevant. Screen on without any phone activity is not equal to using the phone from time to time.
Sent from my Nexus S

Xposed + GravityBox Killing Battery

Hey Everyone,
Been an android user for quite some time and know the system well, but this has me confused.
I rooted the phone the minute it came out of the box.
I recently decided to install Xposed and GravityBox on my Nexus 5, and tweak a few things.
However, after installing it, I noticed that my battery dies much faster. And I mean, incredibly fast. If the phone just sits in my pocket for 3 hours, I'm down to about 40%. I leave my house at around 8, and have to top off my battery by noon.
I know that the issue is not the battery though, because if I go into Xposed and disable gravitybox, my battery lasts for almost 2 days.
I have tried BetterBatteryStats, but it didn't give me any unusual wakelock info. Only the normal powermanagerservice and wlan wakelocks.
In the battery menu, Android OS and Android System would use up a ton of battery with GravityBox on.
All help is greatly appreciated, since I really enjoy the features of GravityBox.. but not so much to have horrible battery life.
Thanks,
Dom

DjDom said:
Hey Everyone,
Been an android user for quite some time and know the system well, but this has me confused.
I rooted the phone the minute it came out of the box.
I recently decided to install Xposed and GravityBox on my Nexus 5, and tweak a few things.
However, after installing it, I noticed that my battery dies much faster. And I mean, incredibly fast. If the phone just sits in my pocket for 3 hours, I'm down to about 40%. I leave my house at around 8, and have to top off my battery by noon.
I know that the issue is not the battery though, because if I go into Xposed and disable gravitybox, my battery lasts for almost 2 days.
I have tried BetterBatteryStats, but it didn't give me any unusual wakelock info. Only the normal powermanagerservice and wlan wakelocks.
In the battery menu, Android OS and Android System would use up a ton of battery with GravityBox on.
All help is greatly appreciated, since I really enjoy the features of GravityBox.. but not so much to have horrible battery life.
Thanks,
Dom
Click to expand...
Click to collapse
Version number of GB?

Aerowinder said:
Version number of GB?
Click to expand...
Click to collapse
2.9.1, Sir. Running on 4.4.2 stock.

DjDom said:
2.9.1, Sir. Running on 4.4.2 stock.
Click to expand...
Click to collapse
Download 2.8.6, install, reboot. See if that makes a difference.

Aerowinder said:
Download 2.8.6, install, reboot. See if that makes a difference.
Click to expand...
Click to collapse
Alright, 2.8.6 installed.
I'll leave it unplugged over night and report back in the morning.
Thank you.

That's really odd. I've seen a few other people who also seem to be having crappy battery life with GB, which hasn't been my experience at all.

maxpower7 said:
That's really odd. I've seen a few other people who also seem to be having crappy battery life with GB, which hasn't been my experience at all.
Click to expand...
Click to collapse
Yeah me too. Its strange
-----------------------
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I do NOT reply to support queries over PM. Please keep support queries to the Q&A section, so that others may benefit

I have no issues with my battery usin gravity box at all

Good to see I'm not the only one.
After switching to version 2.8.6, this is what I'm getting:
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"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
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Much better than before.. but still not quite as good as without Xposed and GB.

This is me, Xposed and latest GB, stock 4.4.2 ROM. Had to reboot it earlier but it's been off charge since 7:30am. Hardly any use as I'm in work but it's not draining fast at all IMO

Just out of curiosity, are you guys running the stock kernel??? I've been running Gravitybox(and a few other modules) for a pretty good while and I haven't seen the drain you guys are getting. But I run the latest Franco kernel. With a full charge and leaving my phone untouched for 3 hours I get down to 93%. Has anyone looked for wake locks??

I've personally never had any problems with battery life on either my N7 or N5 using GB. Running stock 4.4.2, ElementalX kernel and v2.9.0 of GravityBox. Just to throw a wild suggestion out there and I have no real idea of what kind of impact it might have, or not, but I always have the newest version of busybox installed.

Decimation said:
Just out of curiosity, are you guys running the stock kernel??? I've been running Gravitybox(and a few other modules) for a pretty good while and I haven't seen the drain you guys are getting. But I run the latest Franco kernel. With a full charge and leaving my phone untouched for 3 hours I get down to 93%. Has anyone looked for wake locks??
Click to expand...
Click to collapse
Yes, I'm 100% stock bar rooting and latest Xposed/GB combo
---------- Post added at 02:58 PM ---------- Previous post was at 02:57 PM ----------
wantabe said:
I've personally never had any problems with battery life on either my N7 or N5 using GB. Running stock 4.4.2, ElementalX kernel and v2.9.0 of GravityBox. Just to throw a wild suggestion out there and I have no real idea of what kind of impact it might have, or not, but I always have the newest version of busybox installed.
Click to expand...
Click to collapse
I don't have BB installed as Xposed doesn't require it (or it installs it itself when updating the framework)

EddyOS said:
I don't have BB installed as Xposed doesn't require it (or it installs it itself when updating the framework)
Click to expand...
Click to collapse
I thought at one time it did but I could be mistaken.

Ok, so it looks like downgrading GravityBox worked.
Here are the stats:
Any idea why the old version doesn't do it..?

DjDom said:
Ok, so it looks like downgrading GravityBox worked.
Here are the stats:
?
Click to expand...
Click to collapse
Did you check for wake locks?? WakeLock detector may come in handy for you.

Decimation said:
Did you check for wake locks?? WakeLock detector may come in handy for you.
Click to expand...
Click to collapse
Yes. I stated in the op that I checked for them.
Nothing unusual.
I'm happy now though, it seems to be working on the old version.
But I would really like to find out why the battery is killed so quickly on newer versions. Eventually.. I will want to upgrade to the latest gravity box.
Sent from my Nexus 5 using XDA Premium 4 mobile app

Sorry to resurrect this old thread, but I recently rooted and installed Xposed + GravityBox and I'm having the same issue. Has anyone found a fix for this?
I went to sleep the other night at 30% battery and when I woke up 8 hours later my phone was dead. Before installing GravityBox I would only lose 2-4% overnight...what gives?
I am on stock kernel BTW...which has always treated my battery well...

bekyndnunwind said:
Sorry to resurrect this old thread, but I recently rooted and installed Xposed + GravityBox and I'm having the same issue. Has anyone found a fix for this?
I went to sleep the other night at 30% battery and when I woke up 8 hours later my phone was dead. Before installing GravityBox I would only lose 2-4% overnight...what gives?
I am on stock kernel BTW...which has always treated my battery well...
Click to expand...
Click to collapse
Are you sure it isn`t caused by one or more apps you installed? Have you installed BetterBatteryStats for montoring app usage/power consumption.

I seem to be getting drain also I decided to try out better battery stats it seems to be the top App doing most of the drain
Sent from my Nexus 5 using XDA Premium 4 mobile app

[KERNEL]Quantum-Kernel for SM-T230NU

Quantum-Kernel for the SM-T230NU
If your still around and remember me from the old days, I m back and have with me a better version than I've built that includes new frequencies added. No more jumping frequencies!
For now on all builds will go to test folder until we find the perfect one.
WARNING! I AM NOT responsible for bricked deviceS, install at your OWN risk!
NOW LET THE FUN BEGIN!
Features:
-based on android 4.4.
*
-Kernel version: 3.10
*
oc to 1482....for now.
*
- custom governors, Lionheart, dancedance, Wheatley.
*
-oc axi, ram, and vpu for more stability.
*
-small tweaks
*
-f2fs support
Click to expand...
Click to collapse
{
"lightbox_close": "Close",
"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}
Click to expand...
Click to collapse
Click to expand...
Click to collapse
Click to expand...
Click to collapse
Sources:
-based off of @CTXz source.
Will add my github commits once i can fix my laptops wifi driver.
Changelog :
Added fiops and fifo schedulers, along with "darkness" CPU Governor. V3 only
Added support in kernel config...(not sure if it works quite yet) V3 only
V3.3 will be up tommorow, which includes the hotplugging, ksm and f2fs support
Click to expand...
Click to collapse
Downloads:
Quantum-Kernel
MediaFire is a simple to use free service that lets you put all your photos, documents, music, and video in a single place so you can access them anywhere and share them everywhere.
www.mediafire.com

beany23 said:
Custom kernel for the SM-T230NU.
If your still around and remember me from the old days, I m back and have with me a better version than I've built that includes new frequencies added. No more jumping frequencies anymore.
Features:
-based on android 4.4.2
- oc up to 1768
- custom governors, Lionheart, dancedance, Wheatley.
-based off of @CTXz source.
Downloads:
http://www.mediafire.com/file/2jufhxli7izan0t/BeastKernel-unified.zip
P.s. I've been seeing something about android 5.0 coming to our device, if someone would be wanting a kernel built let me know. Post a link and I'll get to it but until then here ya go .
Click to expand...
Click to collapse
sadly not my device sm-t231 lol i was searching for kernel for our device as u can see on the q&a tab 4 the timing is rite but sadly not my device

aqeelmessi10 said:
sadly not my device sm-t231 lol i was searching for kernel for our device as u can see on the q&a tab 4 the timing is rite but sadly not my device
Click to expand...
Click to collapse
I haven't built one for the smt231 before....how hard could it be.
U have the degaswifi3g right?

This kernel made my T230 lag more with graphics than normally. (Only little bit though)
I didn't notice any performance increase otherwise either.
Also I think battery drain is much higher in deepsleep than in stock kernel. I had this problem with earlier custom kernels too.
But would be awesome if it gets more stable some day. Good job trying to still give a life for this old tab:good:

keikari said:
This kernel made my T230 lag more with graphics than normally. (Only little bit though)
I didn't notice any performance increase otherwise either.
Also I think battery drain is much higher in deepsleep than in stock kernel. I had this problem with earlier custom kernels too.
But would be awesome if it gets more stable some day. Good job trying to still give a life for this old tab:good:
Click to expand...
Click to collapse
Ya i figured out why too, when I was building back in 2015 I always struggled to get the CPU running smooth. I've found out that the kernel can run at 1768 but struggles due to the ram and axi, which both can only run so high. I've dropped the max to 1586 and plan on leaving it there because its is a lot smoother and over clocking the axi and ram improved the smoothness quite a bit but that literally the max I can get it for now. Will post another build tonight for you to check out.

DELETED

Sorry its taking some time. Something I changed is causing a bootloop, I'm trying to fix it now

keikari said:
This kernel made my T230 lag more with graphics than normally. (Only little bit though)
I didn't notice any performance increase otherwise either.
Also I think battery drain is much higher in deepsleep than in stock kernel. I had this problem with earlier custom kernels too.
But would be awesome if it gets more stable some day. Good job trying to still give a life for this old tab:good:
Click to expand...
Click to collapse
Try the new test build see how it is.

beany23 said:
Try the new test build see how it is.
Click to expand...
Click to collapse
It feels lagging too. Stock kernel lags too, but with it you can pull top bar down more smoothly(I think). This tab is kind of laggy with UI animations anyway so a bit hard to say is there a difference. I will still leave it installed over night to see how much battery it drains while in deep sleep with no wifi. Also even if it's lagging the cpu usage doesn't seem to need to go over 50% when using kernel adiutor(I only tried to pull top bar down switch menu though, but with this lag I though it should go higher). Not sure how high did the stock kernel cpu usage rise. Will check tomorrow when I install it back.

beany23 said:
Try the new test build see how it is.
Click to expand...
Click to collapse
I don't think here was any higher battery drain in deep sleep than with stock kernel. I think the cpu usage goes higher in stock(when just pulling menus in kernel adiutor, but now they move smooth/smoother). Also now I'm sure the stock kernel is much smoother with animations.

keikari said:
I don't think here was any higher battery drain in deep sleep than with stock kernel. I think the cpu usage goes higher in stock(when just pulling menus in kernel adiutor, but now they move smooth/smoother). Also now I'm sure the stock kernel is much smoother with animations.
Click to expand...
Click to collapse
I'm not home at the moment but I'll see what I can do when I get back.

keikari said:
It feels lagging too. Stock kernel lags too, but with it you can pull top bar down more smoothly(I think). This tab is kind of laggy with UI animations anyway so a bit hard to say is there a difference. I will still leave it installed over night to see how much battery it drains while in deep sleep with no wifi. Also even if it's lagging the cpu usage doesn't seem to need to go over 50% when using kernel adiutor(I only tried to pull top bar down switch menu though, but with this lag I though it should go higher). Not sure how high did the stock kernel cpu usage rise. Will check tomorrow when I install it back.
Click to expand...
Click to collapse
posted another test kernel. i took out the 156 frequency for now, seemed to make it buggy

beany23 said:
posted another test kernel. i took out the 156 frequency for now, seemed to make it buggy
Click to expand...
Click to collapse
Where did you posted the new kernel?

keikari said:
I don't think here was any higher battery drain in deep sleep than with stock kernel. I think the cpu usage goes higher in stock(when just pulling menus in kernel adiutor, but now they move smooth/smoother). Also now I'm sure the stock kernel is much smoother with animations.
Click to expand...
Click to collapse
keikari said:
Where did you posted the new kernel?
Click to expand...
Click to collapse
Under the test builds it's v2

beany23 said:
Under the test builds it's v2
Click to expand...
Click to collapse
I only see the one(the first) link under test builds.

keikari said:
I only see the one(the first) link under test builds.
Click to expand...
Click to collapse
https://www.mediafire.com/file/ip1ylwgperyf8iy/BeastKernel-testv2.zip

beany23 said:
posted another test kernel. i took out the 156 frequency for now, seemed to make it buggy
Click to expand...
Click to collapse
Yeah, now it is at least as smooth as stock kernel. I think some apps move a bit snappier. I'm gonna stick with this version for now.

keikari said:
Yeah, now it is at least as smooth as stock kernel. I think some apps move a bit snappier. I'm gonna stick with this version for now.
Click to expand...
Click to collapse
Awesome that its better, also do your games open at all? I'm having issues with them not opening

beany23 said:
Awesome that its better, also do your games open at all? I'm having issues with them not opening
Click to expand...
Click to collapse
I don't have any games in tab. Which game doesn't load, I can install and check if it works for me.

keikari said:
I don't have any games in tab. Which game doesn't load, I can install and check if it works for me.
Click to expand...
Click to collapse
Turbo racing jetpack joyride. Games I tried testing but wouldn't open