Database Info

Battery time

Hi, I just wanted to know if there is some way to save battery, I've bought an I-mate 6150 and I cant make it last for 1 day,, please I need some help

diego_gb8 said:
Hi, I just wanted to know if there is some way to save battery, I've bought an I-mate 6150 and I cant make it last for 1 day,, please I need some help
Click to expand...
Click to collapse
Turn off bluetooth, beam, wifi, data connections
Ensure your phone hasn't got automatic updates activated for anything, i.e. weather/stock/emails etc etc especially if set to update every 30 mins etc
Also in wifi settings, ensure wifi is set to 'best battery'
You could also dim screen slightly either permanently or after a period of time if not used.
Also check if any apps installed are working in background eating up battery
Simple things like these should help.

Good hints so far ...
You can also take a look here
http://www.wmskins.com/blog/how-to-increase-battery-life-of-windows-mobiles

fwt said:
Good hints so far ...
You can also take a look here
http://www.wmskins.com/blog/how-to-increase-battery-life-of-windows-mobiles
Click to expand...
Click to collapse
Nice link, reading over this myself to see if I can improve my own

TY guys, but I have already did all of those hints to my phone, don't you think it could possibly be my SPB Shell 3.5.3 ? :S

Here's what I do to find out my Battery Life Time:
- Flash ROM or Hardreset
- do not install any App or activate automatic Updates for at least 2 - 3 days (at least 3 x Full charging Processes) to find out the Battery Time on the naked ROM
- do a little Log (how many calls ... how many SMS ... high usage over the day ... low usage over the day)
- after these first days activate only things inside the ROM (eMail ... WiFi ... Weather ... what ever your ROM delivers) => still don't install anything new on your device (again for at least 3 x Full charging Processes)
- write your findings down
- Install Apps ... but ... only one at the same time
- monitor the behavior of your Batt
- You can also use Tools like BatTest or BattLog to get "better" (measurable) results
That way I found some Taskbar Modification and other Tools to be Battery eater (nice Icons but short BattLifeTime)
Good look
fwt

battery log says: 71% (dunno about what), 3,912v, 3,4ºC and 280ma; is this good for my phone? :S
Questions:
1: what is a ROM?
2: what means flashing it and what could it fix? :|
please, help me >.<, I got out from my home today, leaving the phone with 100% battery life, but when I came back (5 hours later) it was 70%.

Battery Drain in HTC touch pro after flashing with Energy ROM

HI Friends,
Can anyone suggest what needs to be done as my HTC touch pro is unable to give atleast 1 day battery backup after flashing with Energy ROM.
Can listen to music nor brwose internet for long time.literally gives me half day batter backup.But before it used to give atleast 2 days.
Solution plZZZZZZZZZZZZZZZZZZZZ.
Suggest a good ROM with good battery backup along with Energy kind of GUI.

What happend to you is that the rillphone version embended in the latest Energy ROM is not working proply with the radio ROM u have installed.
The solution is to install the appropiate rillphone for your radio ROM.
Search the forum for the rillphone and radio threads

MareleSef said:
What happend to you is that the rillphone version embended in the latest Energy ROM is not working proply with the radio ROM u have installed.
The solution is to install the appropiate rillphone for your radio ROM.
Search the forum for the rillphone and radio threads
Click to expand...
Click to collapse
As you have said, i have installed "BS_Rilphone_1_13_25_24.cab" for the Radio i have...after the power cycle..the phone doesnt have any display after the splash screen..I think..i bricked it....

Unless your phone is unlocked. You can't flash non ralph radios

subbuaxel said:
As you have said, i have installed "BS_Rilphone_1_13_25_24.cab" for the Radio i have...after the power cycle..the phone doesnt have any display after the splash screen..I think..i bricked it....
Click to expand...
Click to collapse
Reading goes a long way. But maybe I'm being a bit too presumptuous.
Did you by any chance actually take the time to read this section under post #6?:
BATTERY SAVING TIPS
The first few days
• There is nothing special about this ROM to make it use more power than other ROMs except that it is tweaked for performance over battery life. After things have settled down, you should get a couple of days usage out of a charge.
• Immediately after flashing, you will probably observe very poor battery performance. This is due to the charging circuit having to reset itself.
• The battery meter will not settle down and give accurate readings for a few battery cycles. Give it a few days.
• For the first few battery charging cycles, try to charge to 100% with phone off and then allow battery to drain down quite a bit before recharging. This is so the meter will calculate drain well.
Recommendations
• Make sure you followed all of the flashing instructions to the letter. Especially the part about the hard reset.
• Backlight is set to high. You might want to change that.
• 3G is on by default. Recommendation is to turn it off when you are not surfing the internet.
• Don't drain your batery all the way down until it dies. Not good for these types of batteries.
• The GPS sucks the battery dry. If you want to keep track of yourself, consider something like GPSToday that only wakes up the GPS once in a while.
• Maybe you don't really need aGPS enabled. Disable and check GPS lock times and battery drain.
• Applications that run from the storage card consume more power so install oft-used or background-type applications to main memory.
Troubleshooting
• If your radio does not match your rilphone.dll you can get crazy bad battery drainage. Use the recommended radio or spend some time working out a good combination for your phone/carrier/location/usage.
• Check to see that some application is not still running in the background. Check, do not assume. USe the full Task Manager application.
• Check to see if the screen is still on when you expect it to be off. Soft reset can fix that issue.
• Some radios work better with some carriers and locations. Asking everyone to tell you what radio to use may not give you the best answer. Be specific about your situation.
• More stuff you should see HERE
If you have tried all the above and still can't get over a day with moderate use, you may actually have a bad battery. Try getting a new one that is made by another manufacturer.

Friends,
My phone is unlocked
Please suggest if i can change the radio to latest one like this(BlackStone_Radio_1.17.25.09).the ROM that is there 1.13.25.24 is from april 2009.

goyjuss said:
Reading goes a long way. But maybe I'm being a bit too presumptuous.
Did you by any chance actually take the time to read this section under post #6?:
BATTERY SAVING TIPS
The first few days
• There is nothing special about this ROM to make it use more power than other ROMs except that it is tweaked for performance over battery life. After things have settled down, you should get a couple of days usage out of a charge.
• Immediately after flashing, you will probably observe very poor battery performance. This is due to the charging circuit having to reset itself.
• The battery meter will not settle down and give accurate readings for a few battery cycles. Give it a few days.
• For the first few battery charging cycles, try to charge to 100% with phone off and then allow battery to drain down quite a bit before recharging. This is so the meter will calculate drain well.
Recommendations
• Make sure you followed all of the flashing instructions to the letter. Especially the part about the hard reset.
• Backlight is set to high. You might want to change that.
• 3G is on by default. Recommendation is to turn it off when you are not surfing the internet.
• Don't drain your batery all the way down until it dies. Not good for these types of batteries.
• The GPS sucks the battery dry. If you want to keep track of yourself, consider something like GPSToday that only wakes up the GPS once in a while.
• Maybe you don't really need aGPS enabled. Disable and check GPS lock times and battery drain.
• Applications that run from the storage card consume more power so install oft-used or background-type applications to main memory.
Troubleshooting
• If your radio does not match your rilphone.dll you can get crazy bad battery drainage. Use the recommended radio or spend some time working out a good combination for your phone/carrier/location/usage.
• Check to see that some application is not still running in the background. Check, do not assume. USe the full Task Manager application.
• Check to see if the screen is still on when you expect it to be off. Soft reset can fix that issue.
• Some radios work better with some carriers and locations. Asking everyone to tell you what radio to use may not give you the best answer. Be specific about your situation.
• More stuff you should see HERE
If you have tried all the above and still can't get over a day with moderate use, you may actually have a bad battery. Try getting a new one that is made by another manufacturer.
Click to expand...
Click to collapse
I have done read and followed each and every one of it.
And also my battery is just 2 months old.Even i tested the ROM for 10 days..but drain is same as usual.

try a differn't rom and see if the problem goes away?

D3TH METAL said:
try a differn't rom and see if the problem goes away?
Click to expand...
Click to collapse
Upgraded the radio to 1.14.25.35 along with the suitable rilphone cab.Will test it and will let you know.Also suggest if i can go ahead with flashing of my pro with Energy.RAPHAEL.21916.Sense2.5.Cookie.2.0.Nov.03.

subbuaxel said:
Friends,
My phone is unlocked
Click to expand...
Click to collapse
Security unlocked?

DANDANA said:
Security unlocked?
Click to expand...
Click to collapse
Yes Security unlocked!

Yes, my friend.
I have the same problem.
Flashed it 2 times with 2 different versions of Energy for the last 2 months ago, but it's still the same. I have the feeling this happened after Energy got the "multiple home screen interface".
can it be draining out the bat??

subbuaxel said:
Yes Security unlocked!
Click to expand...
Click to collapse
unless you bought olipro's cid unlocker, what you basically did is "unlocking" your hardspl, which is NOT what you're talking about
you basically can't flash radios of other devices in your touch pro, unless, ofcourse, you buy olipro's cid unlocker. But that doesn't really prevents the risk of bricking your phone.

Battery saving tips fine tweaked.
Use advanced config located in the tools folder of the latest energyrom...set all power management options to enabled, in the performance section file system filter should be set to 4096, system canche size to auto, file system cache enabled. Try to install programs that are used frequently to the internal memory storage rather than storage card. don't use 3g if you are not surfing. Backlight should be set to auto. After you flash any rom make sure you cycle your battery 3-5 full charge cycles before you deem it having poor battery draining.
As for radio to be safe from battery drain use same radio and rilphone.
I personally use which yields great performance and good battery
rilphone 1.14.25.35
raido 1.17.25.09
I live in chicago USA
Oh yeah...stay with energy

siralex241 said:
Use advanced config located in the tools folder of the latest energyrom...set all power management options to enabled, in the performance section file system filter should be set to 4096, system canche size to auto, file system cache enabled. Try to install programs that are used frequently to the internal memory storage rather than storage card. don't use 3g if you are not surfing. Backlight should be set to auto. After you flash any rom make sure you cycle your battery 3-5 full charge cycles before you deem it having poor battery draining.
As for radio to be safe from battery drain use same radio and rilphone.
I personally use which yields great performance and good battery
rilphone 1.14.25.35
raido 1.17.25.09
I live in chicago USA
Oh yeah...stay with energy
Click to expand...
Click to collapse
I have flashed My pro with Radio V.1.14.25.35 with the same rilphone.Will also try the advance config and test it for a while.

The battery problem is related to the 2.0 cookie which is still in Beta. There is a patch released which used to help a little bit, but in the last 21683 build it doesn't do much.
If you want your battery to last as before, install the ROM version without 2.0Cookie. There you will get a stable CHT v.1.8.5 and the battery will perform again as it should.

fromaron said:
The battery problem is related to the 2.0 cookie which is still in Beta. There is a patch released which used to help a little bit, but in the last 21683 build it doesn't do much.
If you want your battery to last as before, install the ROM version without 2.0Cookie. There you will get a stable CHT v.1.8.5 and the battery will perform again as it should.
Click to expand...
Click to collapse
Hi Friends,
Please suggest a Best and Stable ENERGY ROM for my HTC TOUCH PRO GSM with good battery backup..i will flash it and use it.
PLZZZZZZZZ

siralex241 said:
in the performance section file system filter should be set to 4096, system canche size to auto, file system cache enabled.
Click to expand...
Click to collapse
Don't waste your time fiddling with the caches. Any improvements observed are just placebos. The cache settings all have to be made in the boot.rgu of the rom prior to cooking the device. Also, cachesize (which is the tweak that advanced config tries to set) is an obsolete registry key that does nothing in WM5 and later. You can only successfully change the cache sizes post cooking and flashing with WM2003 devices.

Actually it is just the energy rom, I went from tael to energy and my battery life went to less then a day on standby. Went back to tael and the issue was gone. No it's not the radio because I always install .35 radio&ril after all new rom flashes (as well as the fact I use task29). If it was the charging circuit I'd have similar battery life with tael after I flashed it back from energy. But as it sits I can go quite sometime on standby (week?) with tael right after a flash. I can understand having less battery life but less than 24 hours on standby is certainly the rom itself. That's without 3G on since for whatever reason I can't get 3G on any phone that's not an iPhone.
Rom versions I used:
Energy.RAPHAEL.21916.Sense2.5.Cookie.2.0.GTX.Nov.03
TAEL Sept17

TAEL rom is good..along with it i would prefer any other stable rom with good gui and battery backup...

CM7 FIXES [No Questions]

DO NOT POST QUESTIONS IN THIS THREAD. If you don't know how to perform certain steps then search for how to's elsewhere or pm me or jump into the irc Channel and ask. The point of this thread is to post fixes you've used for issues in cm7 or while trying to flash cm7 without all the clutter in a general cm7 thread to make it easier to find answers and to keep a little clutter out of the other threads. If you have a solution to a problem pm me and ill put it in this thread credit to you. It can be anything from major issues to small annoyances, if you have a fix ill input it here. If you see an error in something I post go ahead and post it so it can be corrected.
INDEX
THE BASICS
GPS ISSUES
FACEBOOK BIRTHDAYS SYNC
THE BASICS
One thing to keep in mind if you're having a problem is that you should not assume its a problem with the ROM you are running. Some things to check if you're having issues after flashing a new ROM:
1. If you cant get your rom to flash or boot up correctly, check to make sure the md5 sum of the rom you downloaded matches that of the rom posted. If not, you need to download it again.
2. Boot into recovery by shutting the phone off and holding the volume down+power buttons. Sure you can flash a rom no problem by booting into recovery other ways, but if you do it this way you can be sure you that the recovery booted correctly.
3. Make sure your phone is NOT plugged into anything. Doing this is almost guaranteed to cause headaches. This is very easy to overlook, especially when transfering zips from your computer to your sd card via usb.
4.Patience...After flashing a new rom, especially if you wiped dalvik and/or have a lot of apps can take some time.
5. Before you panic, reboot. If something isnt working it could just be that you need to reboot your phone. [credit to cHarley04 for suggesting this for connection issues via USB cable]
6. If all that checked out and you're still having problems, and you havent already, wipe the cache and wipe the dalvik cache and reflash the rom. And to take it a step further you can do a full data wipe/reset. I generally recommend wiping cache/dalvik cache, but would say that a full data wipe isnt neccessary unless you run into a problem or the developer tells you to do it before flashing a new/different version.
7. Boot issues after flashing Gapps? If you checked all the above then go back and make sure you downloaded the correct Gapps for this ROM.
8. Im saving this one for last so I can put it in a nice big bold text: READ READ READ A quarter of the posts in the CM7 threads are people asking the same questions over and over again that have already been answered. Another chunk is people answering those questions over and over again (nothing wrong with helping others). Its that kind of clutter that makes those threads so hard to read through to get the information you want. Im not saying dont ask questions, but atleast make an effort to read through the threads to try and see if you can find if the question has already been asked/answered. It gets to a point where a thread has thousands of posts and a newcomer sees that and says to themselves that theres no way they're going to read through all that to find the answer to a minor annoyance issue. And I can almost say I dont blame them. But at the same time, if the problem isnt a big enough deal that you dont want to put in a little work to try to find the answer then it cant be that big of an issue...fair enough? Every time a question gets re-asked it just buries some other piece of information even deeper into those thousands of posts. Ok...enough ranting
My GPS doesn't work (at all)
1. Make a nandroid backup of your current cm7 setup.
2. Download and flash cm6 and the proper gapps.
3. Boot up the phone and get a GPS lock using maps or GPS test.
4. Shut phone off.
5. Boot into recovery.
6. Restore the cm7 backup you made.
Your GPS should now work. Install the GPS test app from the market and run it. You should see your GPS icon flashing in your notification bar. If it is then you just have to wait for a lock. This may or may not take some time. If your icon does not show up at all then you can either try the process again or seek another fix.
Sync Facebook Events/Birthdays to Google Calendar
FROM YOUR INTERNET BROWSER:
1. Install the fdCal app for Facebook by clicking on the Google Calendar Icon under 'Subscribe to your friends' Birthday'.
2. Now in your Google Calendar you will see 'fdCal' under 'Other Calendars', Click it and your Facebook birthdays will appear on your calendar on this page.
FROM YOUR PHONE:
3. Now on your phone, go to the calendar app and click 'Settings>More>Calendars. From there ensure that fdCal Birthdays is 'synced, visible' and press 'ok'. (if you dont have auto sync on you will need to go into 'Settings>Accounts & Sync>Google>Google Calendar 'click to sync')
Your facebook birthdays are now synced to your google calendar! No extra apps needed. The link above also has the option to sync your Facebook Events as well.
EDIT: if you were using an app to sync birthdays (such as ebobirthday) than you will want to do the following:
XRange said:
Menu -> Settings -> Applications -> Manage applications -> All -> Calendar Storage -> Clear data
Then i synced my phone again with Google, and everything was OK - and synced!
Click to expand...
Click to collapse
Sent from my Liberty using Tapatalk

...Update...

EboBirthday, Delete from Google Calendar to use FdCal from Above
Menu -> Settings -> Applications -> Manage applications -> All -> Calendar Storage -> Clear data
Then i synced my phone again with Google, and everything was OK - and synced!

How about the battery fix?
Fully charge battery
Clockwork, delete battery stats.
Drain battery until the phone shuts of auto.
Then fully charge it....
Sent from my Liberty using Tapatalk

ValkyrieLiberty said:
How about the battery fix?
Fully charge battery
Clockwork, delete battery stats.
Drain battery until the phone shuts of auto.
Then fully charge it....
Sent from my Liberty using Tapatalk
Click to expand...
Click to collapse
While this will definitely calibrate the battery meter and is the way you'll usually find in forums for calibrating, I dont personally completely agree with it. Im strongly against letting these li-ion batteries fully drain. It degrades the cells of the battery. Charging the battery causes deposits to form inside the cells that take up space inside the cells. This is what causes these batteries to last for shorter periods of time in between chargings until eventually they just wont hold a charge anymore. The lower you let the battery get before charging the more you excellerate the process. I try not to let my battery below 40% and generally only charge it to 100% before going to work. I try to keep it between 40-80% most of the time with bump charging here and there.
The battery meter will calibrate itself over time with regular use. Sure it takes a bit longer. This is usually the strange battery drain people see when first trying a new rom (along with all the playing around they do checking out all the features) that eventually levels out. Often referred to as the ROM "setting in". To keep things level, I try to fully charge my phone before flashing a new rom. Does it make a difference? I dont know, but my battery drainage has remained steady across every nightly Ive flashed.
So again, Im not saying you're wrong in the battery calibration. Because you're absolutely correct that that will calibrate the battery. I just dont subscribe to doing it that way and believe in just letting the phone do its thing. But thats just my opinion.

CallMeAria said:
While this will definitely calibrate the battery meter and is the way you'll usually find in forums for calibrating, I dont personally completely agree with it. Im strongly against letting these li-ion batteries fully drain. It degrades the cells of the battery. Charging the battery causes deposits to form inside the cells that take up space inside the cells. This is what causes these batteries to last for shorter periods of time in between chargings until eventually they just wont hold a charge anymore. The lower you let the battery get before charging the more you excellerate the process. I try not to let my battery below 40% and generally only charge it to 100% before going to work. I try to keep it between 40-80% most of the time with bump charging here and there.
The battery meter will calibrate itself over time with regular use. Sure it takes a bit longer. This is usually the strange battery drain people see when first trying a new rom (along with all the playing around they do checking out all the features) that eventually levels out. Often referred to as the ROM "setting in". To keep things level, I try to fully charge my phone before flashing a new rom. Does it make a difference? I dont know, but my battery drainage has remained steady across every nightly Ive flashed.
So again, Im not saying you're wrong in the battery calibration. Because you're absolutely correct that that will calibrate the battery. I just dont subscribe to doing it that way and believe in just letting the phone do its thing. But thats just my opinion.
Click to expand...
Click to collapse
That makes pure and COMPLETE sense. Thanks for teaching me that! All the scientific evidence is lying there! I always wondered why i ate through batteries like a kid through candy!

Battery Problems

I'm using a Nexus 5, its my first Android device, and so my first time rooting.
I rooted yesterday using the Android SDK, and installed TWRP.
The root worked perfectly, and I have tested it. All I have done since rooting (unlocked boot loader at the same time, so I'm clean on stock), is install a few Play Apps like Twitter, WhatsApp and then BusyBox and dSploit.
I haven't added any customisations or anything, and my battery is now awful!
i.imgur/AkdAKjW.jpg (Can't post links yet)
My screen has been on for 50 minutes...
I have brightness on the lowest setting, have turned off vibrate on touch, turned off Wi-Fi, turned off Location, set to use 3G not 4G, set display to turn off after 15 seconds...
Im sure it can't be anything to do with the root, but I don't really know too much about it. Is there a problem with 4.4.2 and battery life?
What else can I do to improve it?
Ideally I'd like to be able to have a max of 3-4 hours screen time, and the device to last for 14-15 hours.
I was easily getting 14 hours before I rooted/updated, but now my battery life has just screwed up.
Why is the OS using up so much?

7ewis said:
I'm using a Nexus 5, its my first Android device, and so my first time rooting.
I rooted yesterday using the Android SDK, and installed TWRP.
The root worked perfectly, and I have tested it. All I have done since rooting (unlocked boot loader at the same time, so I'm clean on stock), is install a few Play Apps like Twitter, WhatsApp and then BusyBox and dSploit.
I haven't added any customisations or anything, and my battery is now awful!
i.imgur/AkdAKjW.jpg (Can't post links yet)
My screen has been on for 50 minutes...
I have brightness on the lowest setting, have turned off vibrate on touch, turned off Wi-Fi, turned off Location, set to use 3G not 4G, set display to turn off after 15 seconds...
Im sure it can't be anything to do with the root, but I don't really know too much about it. Is there a problem with 4.4.2 and battery life?
What else can I do to improve it?
Ideally I'd like to be able to have a max of 3-4 hours screen time, and the device to last for 14-15 hours.
I was easily getting 14 hours before I rooted/updated, but now my battery life has just screwed up.
Why is the OS using up so much?
Click to expand...
Click to collapse
Is this not the first charge since you first saw the problem? The Android OS bug occurs sometimes. I would reboot and see how it is on the next full cycle.

sreen may be turning in coz some apps might be asking for root access.
I think you try greenify app and hybernate useless apps, m sure this will help you.

[Completed] My phone NEVER goes into deep sleep (Samsung Galaxy S6)

Dear all,
I am writing this post to hopefully get some help or directions regarding my issue, because I have already spent hours and hours looking on the internet trying fixes on my phone without anything working for me so far.. So I am getting a bit hopeless....
I recently got a Samsung Galaxy S6 (SM-920I model), and since the beginning i have been shocked by how CRAPPY the battery life was. To give you some ideas, my phone loses around 3-5% of battery per hour when idling and screen off, meaning I am not doing anything at all with my phone. Overnight, I lose about 15-20% battery with my phone on airplane mode, power saving, or whatever else you want, when it is not doing anything at all..
I know that my problem is a deep sleep problem, quite easy to identify i guess, so I have spent a lot of time reading and trying to fix it by myself but so far nothing worked.
To give you some background, after unpacking the phone I quickly upgraded Android from 5.0 to 5.1.1, so I cannot tell how it was working at 5.0. It is only after that I saw that a lot of people have issues on 5.1, but it is strange because just before having my S6, I was having a OnePlus One on 5.1 and I didn't have such battery problems and everything worked fine except turning off the "keep awake" setting option for GooglePlayServices.
What I can say though, is that since I upgraded I never had so much difficulties trying to fix a problem on any Android phone than before. Basically, since day 1, my phone never went a single time into deep sleep mode.
So far, to fix this, I tried all the following:
- Reflash the stock firmware (Samsung 5.1.1) --> many times, with full Cache/davik wipe and factory resets
- Root my phone using UniKernel
- Install custom ROM (I am running XtreStoLite version 2.2) + all kinds of wipe/factory reset
- Flash different kernel that are shipped with the ROM (there are 5 different ones if I remember)
- Use my phone with only stock apps (to see if the problem comes from one of my apps)
- Cold reboots
- The "DeepSleepFix" using the Android terminal as described on some forums (cannot post the link for now since I'm new..)
- And desperately, try to use my phone normally for now
Overall, I would say that my battery would last roughly 15 -20h in total with normal usage, not even heavy, which quite sucks..
I can show the no deep sleep issue easily to you with some screenshots (will put a link to the screenshots here when I have 10 posts... for now I can't..) , I have tried many applications to try to find the root cause such as:
- WLD
- 3C CPU
- BetterBatteryStats
- GSAM
etc.
I am monitoring my phone closely for the past 1-2 weeks and so far I have never seen it being in deep sleep at all (ah yes... 0.2s in total max all the time..). Also, when I check on the default Battery menu of Android, after a full day I would usually see "Android OS" on top and using 20-30% of the battery at least.
The problem seems to boil down to a process called "LHD" in the kernel wakelock. This is keeping my phone awake 100% of the time, whether I am using the phone or if I am not. However, even with this info I tried to search online and I cannot find anything about "LHD", so I am really stuck right now.. Do anybody knows what it is and why it is a problem for me?
If any of you have a solution or can give me some guidelines to help me fix this issue, I would really appreciate any help. If you need more information from me also let me know.
Thank you for taking the time to read me,
Best regards.

ImPain said:
Dear all,
I am writing this post to hopefully get some help or directions regarding my issue, because I have already spent hours and hours looking on the internet trying fixes on my phone without anything working for me so far.. So I am getting a bit hopeless....
I recently got a Samsung Galaxy S6 (SM-920I model), and since the beginning i have been shocked by how CRAPPY the battery life was. To give you some ideas, my phone loses around 3-5% of battery per hour when idling and screen off, meaning I am not doing anything at all with my phone. Overnight, I lose about 15-20% battery with my phone on airplane mode, power saving, or whatever else you want, when it is not doing anything at all..
I know that my problem is a deep sleep problem, quite easy to identify i guess, so I have spent a lot of time reading and trying to fix it by myself but so far nothing worked.
To give you some background, after unpacking the phone I quickly upgraded Android from 5.0 to 5.1.1, so I cannot tell how it was working at 5.0. It is only after that I saw that a lot of people have issues on 5.1, but it is strange because just before having my S6, I was having a OnePlus One on 5.1 and I didn't have such battery problems and everything worked fine except turning off the "keep awake" setting option for GooglePlayServices.
What I can say though, is that since I upgraded I never had so much difficulties trying to fix a problem on any Android phone than before. Basically, since day 1, my phone never went a single time into deep sleep mode.
So far, to fix this, I tried all the following:
- Reflash the stock firmware (Samsung 5.1.1) --> many times, with full Cache/davik wipe and factory resets
- Root my phone using UniKernel
- Install custom ROM (I am running XtreStoLite version 2.2) + all kinds of wipe/factory reset
- Flash different kernel that are shipped with the ROM (there are 5 different ones if I remember)
- Use my phone with only stock apps (to see if the problem comes from one of my apps)
- Cold reboots
- The "DeepSleepFix" using the Android terminal as described on some forums (cannot post the link for now since I'm new..)
- And desperately, try to use my phone normally for now
Overall, I would say that my battery would last roughly 15 -20h in total with normal usage, not even heavy, which quite sucks..
I can show the no deep sleep issue easily to you with some screenshots (will put a link to the screenshots here when I have 10 posts... for now I can't..) , I have tried many applications to try to find the root cause such as:
- WLD
- 3C CPU
- BetterBatteryStats
- GSAM
etc.
I am monitoring my phone closely for the past 1-2 weeks and so far I have never seen it being in deep sleep at all (ah yes... 0.2s in total max all the time..). Also, when I check on the default Battery menu of Android, after a full day I would usually see "Android OS" on top and using 20-30% of the battery at least.
The problem seems to boil down to a process called "LHD" in the kernel wakelock. This is keeping my phone awake 100% of the time, whether I am using the phone or if I am not. However, even with this info I tried to search online and I cannot find anything about "LHD", so I am really stuck right now.. Do anybody knows what it is and why it is a problem for me?
If any of you have a solution or can give me some guidelines to help me fix this issue, I would really appreciate any help. If you need more information from me also let me know.
Thank you for taking the time to read me,
Best regards.
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Hello and thank you for using XDA Assist.
Sorry to hear about your trouble but we cannot provide technical support nor can other members reply to your posts here on XDA Assist. Fortunately there is an XDA area dedicated to the Samsung Galaxy S6 at http://forum.xda-developers.com/galaxy-s6 which would be a good starting place. I suggest you post your question with all relevant details in the friendly Q&A forum there at http://forum.xda-developers.com/galaxy-s6/help where the experts familiar with your device will be best able to guide you.
Good luck!
This thread is closed.