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Well I really love this phone but one thing is really posing me off.. I it's the battery on this thing.. Just now I had my phone stand by for around 50 minutes and my battery went from 70 to 57.. the battery just drained out while the phone was just lying on the bed.. It's crazy!! Any one got any fixes?
Sent from my X10i using XDA App
alamode said:
Just now I had my phone stand by for around 50 minutes and my battery went from 70 to 57.. the battery just drained out while the phone was just lying on the bed.. It's crazy!! Any one got any fixes?
Click to expand...
Click to collapse
You do not wrote anything about the software on your device, but first change the kernel or whole rom. I've seen a few posts about high battery drain and kernel change was the remedy.
Back to stock and check if it's better...
Use thjap kernel + thgo3_v11 rom. Also calibrate your battery.
CheerS!
Milton --> From Sony Ericsson Xperia™ on ROM : "ThGo2 v11"
using XDA premium
" hit thanks if someone helps you! "
My phones battery doesnt even last 12 hours. I dont play much games and use very little internet. Its really frustrating to see the battery going down even when the screen is off!
I get 20 good hours on minimal usage. Continuous data usage gives 5-6 hours.
Continuous movies give 4hours. Hard game of playing gives 4hours
CheerS!
Milton --> From Sony Ericsson Xperia™ on ROM : "ThGo2 v11"
using XDA premium
" hit thanks if someone helps you! "
I'm on 2.3.3 wolfsbreak.
Sent from my X10i using XDA App
I get around 2 days with minimal usage that too on MIUI. When I was on stock it used to give me 2 & half days.
yea, i'm on wbb 6.0 too and feels that the battery did go down a bit drainy to my liking.
milton.bain said:
I get 20 good hours on minimal usage. Continuous data usage gives 5-6 hours.
Continuous movies give 4hours. Hard game of playing gives 4hours
Click to expand...
Click to collapse
Oh, sorry, playin games use my battery in two hours
Using phone as phone - with a bit of net (gmail, weather) using 2G allow me to keep battery over 3 days. But usually it keeps 2 days - sometimes musiq, half an hour net 3g, calls, sometimes bluetooth. But I'm not very intensive user.
At the night change "pref 3g" to "2g". And change it back trying to open any site
I think I might have to go back to stock..
Sent from my X10i using XDA App
any one who suffering from 4 hrs battry problm??
Nope, my battery lasts for three days with moderate use !
you should do factory data reset !
gopu0000 said:
any one who suffering from 4 hrs battry problm??
Click to expand...
Click to collapse
4 hours? Are you a heavy user? Hve u turn off all data when not using?
Try solving your problems by this method:-
http://forum.xda-developers.com/showthread.php?t=1416370
are you in stock or other roms?
Sent from my MT15i using XDA App
if ur phone's rooted use setcpu
Sent from my MT15i using Tapatalk
How are u getting 3 days?
zmbutt said:
Nope, my battery lasts for three days with moderate use !
you should do factory data reset !
Click to expand...
Click to collapse
I get hardly 2 days with moderate use. are u on stock rom??
Do a facktory reset
battery problem 6h
my neo mt15i with ics 4.0.3 is draining my battery in 5-6 hours, and if wifi or data traffic is on battery drains even faster....can someone give me a sollution? display is set allmost to minimum, when i'm not using: gps off, data traffic off, wireless off, juice defender is running in extreme mode, i installed MT15i_Neo_ICS_rom_v1.1.zip and MT15i_Neo_ICS_rom_v1.2.zip and same problem.
vuscanalex said:
my neo mt15i with ics 4.0.3 is draining my battery in 5-6 hours, and if wifi or data traffic is on battery drains even faster....can someone give me a sollution? display is set allmost to minimum, when i'm not using: gps off, data traffic off, wireless off, juice defender is running in extreme mode, i installed MT15i_Neo_ICS_rom_v1.1.zip and MT15i_Neo_ICS_rom_v1.2.zip and same problem.
Click to expand...
Click to collapse
That's strange...my Neo 4.0.3 (I-scream rom) drains about 2% in 6 hours.
ICS KA16 battery status
KA16 ICS ROM,8 hrs,83% battery remaining
vuscanalex said:
my neo mt15i with ics 4.0.3 is draining my battery in 5-6 hours, and if wifi or data traffic is on battery drains even faster....can someone give me a sollution? display is set allmost to minimum, when i'm not using: gps off, data traffic off, wireless off, juice defender is running in extreme mode, i installed MT15i_Neo_ICS_rom_v1.1.zip and MT15i_Neo_ICS_rom_v1.2.zip and same problem.
Click to expand...
Click to collapse
probably because you are using juice defender.
after 2.1 there is no need for task managers or other things, probably lots of clashes with trying to diasable things and tun them on...i got rid of juice on my x10 when i upgraded to 2.2 and have not bothered with it on my neo.
I get 2-3 days on official 2.3.4 with wifi on, blutooth on, gps on and data on.
I got 1-2 days with the same on the official ics rom, but that was too laggy and i went back to 2.3.4
i have the elegant white rom,its awesome low ram consumption speed etc.
BUT first to change stock rom(original from manifacturer)i could play 2 hours and 1/2 sometimes 3 without trouble with battery at 30/35% left now i play 5 mins and my battery goes from 93% to 87% in 5 min
so 6%x12=72%battery lost in 1 hours its bad really bad! i also installed the battery fix but notthing!in idle without playing i lost 2/3% per hours so this is good.
someone have my same trouble? it is normal?if so i should install back stock rom?
if i get stock rom again the battery should be fine?
the elegant rom is on stock 2.3.7 i had 2.3.3 when i bought this phone
sorry for bad english i have not much time
thx everyone
(already done calibration)
to full charge it takes 1 hours max is it normal?
cech12 said:
i have the elegant white rom,its awesome low ram consumption speed etc.
BUT first to change stock rom(original from manifacturer)i could play 2 hours and 1/2 sometimes 3 without trouble with battery at 30/35% left now i play 5 mins and my battery goes from 93% to 87% in 5 min
so 6%x12=72%battery lost in 1 hours its bad really bad! i also installed the battery fix but notthing!in idle without playing i lost 2/3% per hours so this is good.
someone have my same trouble? it is normal?if so i should install back stock rom?
if i get stock rom again the battery should be fine?
the elegant rom is on stock 2.3.7 i had 2.3.3 when i bought this phone
sorry for bad english i have not much time
thx everyone
(already done calibration)
to full charge it takes 1 hours max is it normal?
Click to expand...
Click to collapse
You need to calibrate your battery (and/or delete your battery stats)
Soeskip said:
You need to calibrate your battery (and/or delete your battery stats)
Click to expand...
Click to collapse
i said:already done
done 2 days ago after let phone shut down and charged until 100%
Roms based on CM7.2 do drain battery massively compared to stock so going back to stock would help.
Battery callibration does not help - see Here
Same problem here... Living with it cuz stock has just become old and lazy
But if you really want battery switch to stock its way better than cm
[practice random acts of kindness and selfless acts of love]
cech12 said:
i have the elegant white rom,its awesome low ram consumption speed etc.
BUT first to change stock rom(original from manifacturer)i could play 2 hours and 1/2 sometimes 3 without trouble with battery at 30/35% left now i play 5 mins and my battery goes from 93% to 87% in 5 min
so 6%x12=72%battery lost in 1 hours its bad really bad! i also installed the battery fix but notthing!in idle without playing i lost 2/3% per hours so this is good.
someone have my same trouble? it is normal?if so i should install back stock rom?
if i get stock rom again the battery should be fine?
the elegant rom is on stock 2.3.7 i had 2.3.3 when i bought this phone
sorry for bad english i have not much time
thx everyone
(already done calibration)
to full charge it takes 1 hours max is it normal?
Click to expand...
Click to collapse
Battery Calibration has nothing to do with battery life on any ROM.
Source: XDA-Developers Battery Callibration Myth Debunked
008bond said:
Battery Calibration has nothing to do with battery life on any ROM.
Source: XDA-Developers Battery Callibration Myth Debunked
Click to expand...
Click to collapse
if i switch back to stock manifacturer rom it should be fine or not??
cuz if so ill get it back
elegant white is based on 2.3.7 not on cw(i have just cw console)
cech12 said:
if i switch back to stock manifacturer rom it should be fine or not??
cuz if so ill get it back
elegant white is based on 2.3.7 not on cw(i have just cw console)
Click to expand...
Click to collapse
theres a lot of stock rom base try it...
go back to stock rom...stock roms are the best!!
ace-user said:
go back to stock rom...stock roms are the best!!
Click to expand...
Click to collapse
umm is there a different battery life between
2.3.3 and 2.3.7?
I'll try to install stock rom.I'm doing a test with my friend's phone stock rom no Root my battery has more life with wifi and browsing.didn't try with gaming yet
more performance,less battery life
Sent from my GT-S5830 using xda premium
sunnyfok said:
more performance,less battery life
Sent from my GT-S5830 using xda premium
Click to expand...
Click to collapse
Any difference between 2.3.3 .5 .7 ?
which of these has more life?
cech12 said:
Any difference between 2.3.3 .5 .7 ?
which of these has more life?
Click to expand...
Click to collapse
There isn't a noticeable difference in both versions in terms of battery life. However, 5.7 has better performance and is noticeable.
You can try underclocking to something like 730 MHZ and save a decent amount of battery life without losing performance. Check this OC kernel out:
OC zImage
Also, use Cyanogenmod, ADW launcher without customizations is faster than the stock touch-wiz UI launcher.
008bond said:
There isn't a noticeable difference in both versions in terms of battery life. However, 5.7 has better performance and is noticeable.
You can try underclocking to something like 730 MHZ and save a decent amount of battery life without losing performance. Check this OC kernel out:
OC zImage
Also, use Cyanogenmod, ADW launcher without customizations is faster than the stock touch-wiz UI launcher.
Click to expand...
Click to collapse
I just want to have a long life of battery so ill come back to stock .7
For all those who r shouting that battery calibration doesnt improve battery.. Did the XDA said it improves battery life?? Do u ppl know wats the meaning of calibration?? Calibrating means adjusting something to the accurate value.. Not improving the value!! Even we never said it ll improve battery life.. Battery calibration just calibrates the reading to more accuarte one. So let the ppl calibrate it. Else leave. It ll automatically gets adjusted after 1 or 2 week.. U can see urself the change..
Prashanthme said:
For all those who r shouting that battery calibration doesnt improve battery.. Did the XDA said it improves battery life?? Do u ppl know wats the meaning of calibration?? Calibrating means adjusting something to the accurate value.. Not improving the value!! Even we never said it ll improve battery life.. Battery calibration just calibrates the reading to more accuarte one. So let the ppl calibrate it. Else leave. It ll automatically gets adjusted after 1 or 2 week.. U can see urself the change..
Click to expand...
Click to collapse
Yes, many members on XDA said that callibration improves battery life. The battery indicator on your status bar does not use batterystatus.bin. It does not automatically adjust after 1 week or 2. It re-calibrates every time you charge!
Read the article posted by XDA for more:
google-engineer-debunks-myth-wiping-battery-stats-does-not-improve-battery-life/
well i dont know about you all
but on my phone battery percantage isnt that accurate
cause when i unplug phone from charger and just open game or do something battery percantage goes to like 90%
but when my battery percantage is low like 18% it holds 30mins on 18%
I've tested many roms here and stock rod do tend to have better battery life, but... When i tested the RAZRv3 by TeamCooper, it had extremly good battery life.
When i got my Ace it had froyo, that lasted about 2.5-3 days. I upgraded to gingerbread official, battery lasted about 1.5-2 days on. Then i tried several custom stock roms and they all lasted about 1-2 days.
After that i started testing CM7 (both 7.1 and 7.2) roms and most of them lasted 12-18 hours (i used the wifi disables 3g function and some other tweaks to last the battery longer otherwise those roms would not have been usable)
Then i got to the RAZRv3 i used it for 2 weeks and the battery was amazing, it lasted easily for 3 days with no other tweaks than "wifi disables 3g" and also the performance was good. No lag!
Then i tested the CM7.2byFAT and the battery was awful but i really liked the rom so i keep 3g disabled when i dont use internet (all background apps use 2g internet) and now the battery last for 2 days.
As i've tested.... 3g takes really alot of battery in CM7 roms but in RAZRv3 (cm7.1 based) it worked like a charm.
So.. Everyone who wants really good battery life should test RAZRv3 that can be found here: http://forum.xda-developers.com/showthread.php?t=1478807
I charged my p500 until 100% battery. I am using the latest Oxygen rom with the popdog kernel that was installed by default. I had my phone on 10 hours then it was at 8% battery while it was idleing. Wifi was off, and showed "cell stanby" used 51% battery and system idle drained 43%. I even had SetCpu on a profile so that when screen was off, the cpu was at 320/122 on concervative. This is unacceptable and I wish to have a lot more battery life especially of the oxygen rom. What could i do to get better battery?! Would franco's kernel help? (I already installed franco #4 and it only showed Concervative and performance for governers so I dont know why it wasnt showing anything else!??) Thanks and hopefully this can help anyone else with battery problems!
Sent from my LG-P500 using XDA
wagstuff13 said:
I charged my p500 until 100% battery. I am using the latest Oxygen rom with the popdog kernel that was installed by default. I had my phone on 10 hours then it was at 8% battery while it was idleing. Wifi was off, and showed "cell stanby" used 51% battery and system idle drained 43%. I even had SetCpu on a profile so that when screen was off, the cpu was at 320/122 on concervative. This is unacceptable and I wish to have a lot more battery life especially of the oxygen rom. What could i do to get better battery?! Would franco's kernel help? (I already installed franco #4 and it only showed Concervative and performance for governers so I dont know why it wasnt showing anything else!??) Thanks and hopefully this can help anyone else with battery problems!
Sent from my LG-P500 using XDA
Click to expand...
Click to collapse
Use betterbatterystats and find out your wakelocks
I don't think, finding wakelocks will solve such a drain...
Franco #4 kernel has only two governors, i guess... So it's not like ur phone isn't showing other govs.
Talking about Oxygen rom... I never got a backup more than a day, no matter what! I mainly use it for its smoothness...
kiran2cy said:
I don't think, finding wakelocks will solve such a drain...
Franco #4 kernel has only two governors, i guess... So it's not like ur phone isn't showing other govs.
Talking about Oxygen rom... I never got a backup more than a day, no matter what! I mainly use it for its smoothness...
Click to expand...
Click to collapse
Why? If I have a wakelock on for the whole night, I would have lose more than 40% battery extra than not having one at night.
Besides, that is the only probable answer, wakelocks. Even with 3G data plus sync on I lose about only 10%
Unless of course, you had very bad signal while your phone is idling.
Sent from my LG-P500 using XDA
nocterum said:
Why? If I have a wakelock on for the whole night, I would have lose more than 40% battery extra than not having one at night.
Besides, that is the only probable answer, wakelocks. Even with 3G data plus sync on I lose about only 10%
Unless of course, you had very bad signal while your phone is idling.
Sent from my LG-P500 using XDA
Click to expand...
Click to collapse
I agree with that... but i was talking about his drain..
Take a look at mine...
I guess this was the best my phone can do with Oxygen...
The signal strength wasn't weak, the phone was in airplane mode for 8hrs, and there were small awakes...
I wiped my phone and installed oxygen rom again and now i have been using for 15 hours and still have 78% battery, even with all the same apps installed!! If you have horible battery like i had, just wipe your phone. Deffinately works
Sent from my LG-P500 using XDA
not workin 4 me
wagstuff13 said:
I wiped my phone and installed oxygen rom again and now i have been using for 15 hours and still have 78% battery, even with all the same apps installed!! If you have horible battery like i had, just wipe your phone. Deffinately works
Sent from my LG-P500 using XDA
Click to expand...
Click to collapse
Wiping out d phone again n reinstallin d rom seems useless for me........
Hello every one,
I am facing poor battery life with my x10 mini pro. Even I had my battery replaced recently. But still, the battery life is just about the same.
I tried following things...
1. Turning down the brightness down.
2. Turning off the data, background sync, 3g
3. Uninstalling the apps that runs on background
4. Deleting battery stats after installing new ROM (CM7 2.2.0)
I typically use my phone for 1hour of calls, 30mins of browsing, 1hour music playback, <20mins of gaming. And the battery will be drained in less than 8 hours.
And, another weird thing is, the battery fills up very very fast. It will take like 25mins to get to 100% from <15%.
Please, guide me what to do. This has been a serious head ache for me. Will flashing back to Eclair, Donut will solve the issue?
Thanks.
vamsi_krishna said:
Hello every one,
I am facing poor battery life with my x10 mini pro. Even I had my battery replaced recently. But still, the battery life is just about the same.
I tried following things...
1. Turning down the brightness down.
2. Turning off the data, background sync, 3g
3. Uninstalling the apps that runs on background
4. Deleting battery stats after installing new ROM (CM7 2.2.0)
I typically use my phone for 1hour of calls, 30mins of browsing, 1hour music playback, <20mins of gaming. And the battery will be drained in less than 8 hours.
And, another weird thing is, the battery fills up very very fast. It will take like 25mins to get to 100% from <15%.
Please, guide me what to do. This has been a serious head ache for me. Will flashing back to Eclair, Donut will solve the issue?
Thanks.
Click to expand...
Click to collapse
I am having the exact same problem!
I suggest flashing back to MiniCM7-2.1.9, my battery life was REALLY good on that version. But I updated to v2.2.0 yesterday and now I have the same battery problem as you. The rom does run faster and I also noticed a few bugs fixed, such as the keyboard light, but battery life is just really bad for me.
If u dont use dsp manager then remove it,because many users hve reported that dsp manager drains battery
Install battery dr saver from market
It has option of full cycle charge for charging battery properly
Yashu1019 said:
If u dont use dsp manager then remove it,because many users hve reported that dsp manager drains battery
Install battery dr saver from market
It has option of full cycle charge for charging battery properly
Click to expand...
Click to collapse
Done that already, still the same. Already know about Battery Dr Saver, but I don't think it helps this problem.
I also installed Badass Battery Monitor, it's really detailed and shows a lot of info. It's showing that the display is using up the most battery, but I have it idle most of the time.........
agree!
at least someone or two has same problem with me.
i just flashed cm7 2.2.0 over these 2 weeks.
well i noticed the battery drain alot faster than stock eclair.
i'm looking forward to see the solution...
chaoscreater said:
Done that already, still the same. Already know about Battery Dr Saver, but I don't think it helps this problem.
I also installed Badass Battery Monitor, it's really detailed and shows a lot of info. It's showing that the display is using up the most battery, but I have it idle most of the time.........
Click to expand...
Click to collapse
Select interactiveX governer
Min 19mhz max 691mhz
And check undervolt
I do this to save battery
Yashu1019 said:
Select interactiveX governer
Min 19mhz max 691mhz
And check undervolt
I do this to save battery
Click to expand...
Click to collapse
done that already too, except I use smartassv2 governor and my max is just stock speed at 600mhz.
I basically applied every tweak that I could find from every topic, and believe me they do work, on v2.1.9 at least.
It seems that most people have the same problem on v2.2.0, the radio somehow keeps draining battery. I noticed that it used up 33% for no reason, whereas on v2.1.9 it was around 2%.
BTW I dunno if it makes a difference if I use smartassv2 or interactiveX, but most people said that smartassv2 is better since that's what nAa uses, so it's more compatible. I don't think changing the governors matter though, I've used Badass Battery Monitor for 3 days in a row now and it shows none of the apps are draining power. Even using Android Assistant shows that my phone is idle 94% of the time, where the System uses 4% CPU and User uses 2% CPU. So I do believe it's gotta do with the radio, somehow this rom isn't using the kernel that well I think.
Then it wil be good idea to stick to 2.1.9
YES ! im not the only one wooo, i signed up just to thank the creator of this thread <3 ok so i think it is the minicm7 2.2.0 problem, because i never had it before ! BUT i am using minicm9 now, and anyone confirm that our batteries work better with this? because ive noticed a slight improvement with battery in MiniCM9, i love my mini, i need to fix this battery problem ! i even got two batteries thinking my batterys was f***ed, still only gave me about 5 hours worth of battery max !
inda95 said:
YES ! im not the only one wooo, i signed up just to thank the creator of this thread <3 ok so i think it is the minicm7 2.2.0 problem, because i never had it before ! BUT i am using minicm9 now, and anyone confirm that our batteries work better with this? because ive noticed a slight improvement with battery in MiniCM9, i love my mini, i need to fix this battery problem ! i even got two batteries thinking my batterys was f***ed, still only gave me about 5 hours worth of battery max !
Click to expand...
Click to collapse
I suggest going back to CM7 2.1.9. It's very stable for me and battery drain is so low that my phone can last almost a week on standby without much usage, it's great!
I would stay away from CM9 for now, and wait until it's more stable. So far, I've read that many people are experiencing a few bugs here and there, so I would wait until after a few new version releases and try it out then.
chaoscreater said:
I suggest going back to CM7 2.1.9. It's very stable for me and battery drain is so low that my phone can last almost a week on standby without much usage, it's great!
I would stay away from CM9 for now, and wait until it's more stable. So far, I've read that many people are experiencing a few bugs here and there, so I would wait until after a few new version releases and try it out then.
Click to expand...
Click to collapse
I am using CM9 now and its beautiful to be honest, its just a few bugs, but atm battery life > cm7 2.2.0 i am getting about 6 hours instead of 3-4 i might go back to cm 2.1.9 and see how it goes thanks guys for the help <3
what kernel should i use? beacuse i think it might be the Naa Kernel that is giving me bad battery life
inda95 said:
what kernel should i use? beacuse i think it might be the Naa Kernel that is giving me bad battery life
Click to expand...
Click to collapse
well, if you're using CM9 or CM7, you have no choice but to use the nAa kernel.......unless you're asking which kernel version, otherwise you pretty much don't have a choice.
I'm pretty sure it's not the kernel either, CM7 2.2.0 drains a lot more battery compared to CM7 2.1.9. They both use the same kernel, so it has nothing to do with that.
i used cm7 2.1.9 and i got 4 hours battery life, with wifi off, 3g off, and all i did was txt thru whatsapp with 2g and i was at the movies for 2 hours anyway, and no its not my battery cause i bought another one, still the same thing im getting frustrated ! gonna try original kernel and rom
inda95 said:
i used cm7 2.1.9 and i got 4 hours battery life, with wifi off, 3g off, and all i did was txt thru whatsapp with 2g and i was at the movies for 2 hours anyway, and no its not my battery cause i bought another one, still the same thing im getting frustrated ! gonna try original kernel and rom
Click to expand...
Click to collapse
that's really odd, my phone running CM7 2.1.9 can last for 3 days easily if I just use it for txting. I'm using nAa-11 kernel, and haven't had a problem with it......maybe try to flash the kernel and rom again?
chaoscreater said:
that's really odd, my phone running CM7 2.1.9 can last for 3 days easily if I just use it for txting. I'm using nAa-11 kernel, and haven't had a problem with it......maybe try to flash the kernel and rom again?
Click to expand...
Click to collapse
yep tried that as well, alot of times one thing i noticed was when i installed paul's kernel i hadnt charge the phone and when i booted up the phone after flashing the battery was 62% but wifi wasnt working with the kernel so i installed Naa kernel again, i didnt charge the phone and the battery percentage went up to 82% like wtf -.-
chaoscreater said:
I suggest going back to CM7 2.1.9. It's very stable for me and battery drain is so low that my phone can last almost a week on standby without much usage, it's great!
I would stay away from CM9 for now, and wait until it's more stable. So far, I've read that many people are experiencing a few bugs here and there, so I would wait until after a few new version releases and try it out then.
Click to expand...
Click to collapse
I installed cm9 mini, but phone was lagging and battery life was poor. Now i installed cm7 mini 2.2.1 and it runs a lot better than cm9, but like most of you say, i also have the battery drain issue...; during 9hours of sleep my phone lost 30% of battery that's really enoying. Stock 2.1 SE rom loses about 7% during 9 hours of sleep.
So most of you recomand the 2.1.9 instead of 2.2.1? And which kernel should i use? Is there a possibility that the kernel i use (ana 14 ) drains the battery so fast? if i install 2.1.9 should i use the ana 14 kernel, or a lower version?
thx
linear
Lambo6 said:
I installed cm9 mini, but phone was lagging and battery life was poor. Now i installed cm7 mini 2.2.1 and it runs a lot better than cm9, but like most of you say, i also have the battery drain issue...; during 9hours of sleep my phone lost 30% of battery that's really enoying. Stock 2.1 SE rom loses about 7% during 9 hours of sleep.
So most of you recomand the 2.1.9 instead of 2.2.1? And which kernel should i use? Is there a possibility that the kernel i use (ana 14 ) drains the battery so fast? if i install 2.1.9 should i use the ana 14 kernel, or a lower version?
thx
Click to expand...
Click to collapse
OK, i installed cm7 mini 2.1.9 and now the battery consumption is great!! :laugh: fully charged phone and it consumed 3% over 9hours of sleep