Battery Life - Desire 816 Q&A, Help & Troubleshooting

I've just received my beautiful HTC desire 816 UK and get about 8hours of moderate use out of the battery wondered what everyone else gets? thank you for reading
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hoyler30589 said:
I've just received my beautiful HTC desire 816 UK and get about 8hours of moderate use out of the battery wondered what everyone else gets? thank you for reading
Sent from my HTC Desire 816 using XDA Premium HD app
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Mine 15 hrs ..still 35% left..

The phone is fantastic but battery sucks!
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battery wont suck if you turn off auto sync and set power saver mode on with mobile data off when screen off option

battery life is very good...no need to off auto sync and power saver mod..just off location access to wifi
Go to Wifi--> Advance-->disable scanning always available..

silver2706 said:
battery life is very good...no need to off auto sync and power saver mod..just off location access to wifi
Go to Wifi--> Advance-->disable scanning always available..
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Thanks dude....for the wifi thing.
I was thinking that why wifi is showing on in history even after switching it off.

I m also getting peru less battery like 4 hour screen on time with like 9 to 10 of standby
Will try this WiFi trick if this does not help will buy an external battery
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Related

Battery level to zero oxygen rom

When i go to sleep battery level was 65%but it reduced to zero in night
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What apps were running?
Have you tried installing current widget to see what is exactly happening, or how much voltage is going through your phone, even though it's sleeping? (ie, screen off)
I have not tried yet
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This happened to me a few times (with almost no apps running) on RC7. Updating to 2.01 seems to have fixed that for me.
If that doesn't help, try using a different kernel and/or a different radio version and see if that works for you (we're reduced to experimentation as nobody has ben able to determine what exactly causes this issue).
I'm well impressed with mine. I went to bed with it fully charged, used it a bit in bed, always play a game and check the forums. Not plugged in at all and woke up this morning and its still fully charged!!
Amazing, since I have yahoo messenger running always. Been using it a lot since I woke up and now on 96% but I know its mainly the screen that uses a lot.
Brilliant ROM tbh
See if this helps:
http://forum.xda-developers.com/showthread.php?t=937080
Hi guys i was using spb home which was draning my battery.
I delete that.
Also i just wipe every thing including battery status
May be i hav resolved problem now i hav 91% battery out of 97 %.
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Thanks bro i hav installed current widget that helps me to improve my battery life to 3% an hour.
Thanks bro...
eden2812 said:
What apps were running?
Have you tried installing current widget to see what is exactly happening, or how much voltage is going through your phone, even though it's sleeping? (ie, screen off)
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well it's not really going to save your battery life, it just lets you see when/how the battery is being used up
Yes we can atleast know what apps are eating our battery.
p5x said:
well it's not really going to save your battery life, it just lets you see when/how the battery is being used up
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I hav installed rc7 again
gurpreet123 said:
Yes we can atleast know what apps are eating our battery.
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Rc 7has better battery life than oxygen 2rom l
In the whole night it eats only 4% battery
Oxygen 2has some big fault it drains battery for some people.
But its modrators are not ready to accept it.
But its a bug.
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I have RC1 and my better life is terrible. Gotta figure out why.

[Q] Won't charge beyond 57%

For the last 2 days my HOX refuses to charge beyond 57%, I haven't got anything running in the background which could be sucking up the energy as it tries to charge, does this sound like it could be a fault with the battery?
Have you tried battery calibration tool? or reset battery stats etc
Andy
Try charging with the phone switched off.
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How strange that worked fine :good:
athulele said:
Try charging with the phone switched off.
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athulele said:
Try charging with the phone switched off.
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I always charging my phone when Off and never had any issue. Also doesn't matter where I am and what time, as soon as battery shows 5% switching it Off before reaching 0%.

Cyanagenmod battery life.

Hi guys,
I've had a less than impressive battery life after I had Cyanagenmod installed on my hox. I know it's the norm for the screen to be the highest consider of the battery. However as you see in the screenshot it's the OS. Is there something I should do?
I can lose half my battery life consumed in an hour of moderate use.
Help would be appreciated, thanks
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Consumer* not consider.
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Well in general aosp Roms use more juice than sense roms.. have you tried those? Before you do that though, have you checked what drains your battery with an app? You can also use greenify to hibernate apps running in the background
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Thanks for your reply. I'll try greenify, what app do you recommend to check which apps use more juice?
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Well I'm not sure if I can give any recommendation, but I use Gsam battery monitor (Something along those lines..)
There are alot of apps on the play store that do the same so just get one that suits your needs
I would advise against any app that says to improve battery life.
They scan for apps then shut them down, if that process didn't finished their task the os starts them up again only to be closed.
They do more harm than good.
I would suggest using a custom kernel and underclock/undervolt.
Lower screen auto brightness amounts.
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treebill said:
I would advise against any app that says to improve battery life.
They scan for apps then shut them down, if that process didn't finished their task the os starts them up again only to be closed.
They do more harm than good.
I would suggest using a custom kernel and underclock/undervolt.
Lower screen auto brightness amounts.
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Yes undervolting is also a good idea
Gotta take some time for it though

Htc one x battery drain on standby

My htc one x had battery drain and went from 80 to 0 in 2 hours of standby. Weirdly, there are no wakelocks that would cause this.
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FaiselW said:
My htc one x had battery drain and went from 80 to 0 in 2 hours of standby. Weirdly, there are no wakelocks that would cause this.
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What kernel what rom something keep your phone to go in deep sleep maybe a faulty ligh sensor or something else. You have 1h screen time but 2h7m awake and for 3 hour only 3s deep sleep. Are you sure your phone is on standby or you played or downloading something over wifi
cyanogenmod 11 m9 with stock cm kernel. there were no running apps and wifi and data were off. I even used greenify just before I put my phone in standby
FaiselW said:
cyanogenmod 11 m9 with stock cm kernel. there were no running apps and wifi and data were off. I even used greenify just before I put my phone in standby
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try with other rom and see if tis happend again but to be sense
Left it on standby all night and no battery drain. Must have been a system app
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Android System 44% Battery

I'm seen a lot of battery usage from Android System, even more than the screen usage (44%). I can't figure out what is is, does anyone have any suggestions?
same here, my phone drops 20% overnight/7 hours or so.
searched for a lot of solutions online, nothing works.
android os/google play services/ etc seems to be the reason.
im using gsam 60% over 12 h with 2.30 h SOT. LTE + wifi mixed usage.
im thinking of converting to GPE lollipop. If anyone has a solution please help.
Are you using custom ROM? Perhaps, the problem is in a custom ROM.
1st step, please post some screenshots of your battery life in your settings > power
2nd step, go to play store and download gsam and use your phone for a day or two after which post some screenshots of gsam.
3rd step, please indicate what ROM and kernel you're running (assuming you've)
4th step, I believe someone here will be more than willing to help you if you ask nicely
Hey..thx for reply.
I also tried battery calibration...still draining
Im on 4.4.4 stock carrier locked.
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noxaro said:
Hey..thx for reply.
I also tried battery calibration...still draining
Im on 4.4.4 stock carrier locked.
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Have you tried a factory reset? Or maybe post screenshots from your battery app thats in settings?
Your wakelocks seems to be quite high as well as your wakelocks are what I would have gotten after 30hrs or so standby with 5~6hrs of SOT
I also did a full reset. Cache clear and battery calibration....im always on lte at work and on wifi at home...sometimes overnight i only drop 2%. Last night droped 20%.
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noxaro said:
I also did a full reset. Cache clear and battery calibration....im always on lte at work and on wifi at home...sometimes overnight i only drop 2%. Last night droped 20%.
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Seems alright to me now but guess there could be a rogue app that's sucking your phone battery...
Something is draining the battery...and its a random drain...sometimes 2% over 8h and sometimes 20%.
Im doing another full charge to see if its ok....than im gonna convert to gpe...
Will reply if 5.0.1 gpe drains...thx for help
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noxaro said:
Something is draining the battery...and its a random drain...sometimes 2% over 8h and sometimes 20%.
Im doing another full charge to see if its ok....than im gonna convert to gpe...
Will reply if 5.0.1 gpe drains...thx for help
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Have you turned off location services and stuff? They could be the cause of your battery drain...
Everything is off. Rooted last night...uninstalled facebook zoe and polaris.
Only 2% drain overnight 6hours...seems ok...im gonna keep and eye on it...with wakelock detector.
Thx
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noxaro said:
Everything is off. Rooted last night...uninstalled facebook zoe and polaris.
Only 2% drain overnight 6hours...seems ok...im gonna keep and eye on it...with wakelock detector.
Thx
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Facebook and its apps are huge battery drainer. Guess that explains why your battery had such a big drop
Dont know. I never used it..dont have an account
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Well...my first day after root...way better.
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noxaro said:
Well...my first day after root...way better.
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I don't think root helped you
The factory reset when you unlocked your bootloader must have helped you! There's a root companion app for gsam, download it and enable root access, will help with the stats.
Flashed gpe 5.0.1.
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Lollipop first night...wifi on, sync on
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noxaro said:
Lollipop first night...wifi on, sync on
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Seems to me that you have something eating up your battery overnight... I'm not very sure whether its a rogue app or maybe mediascanner (if you have too much stuff on your internal storage)
I have VERY similar drain to what you had on the Sense ROM.
I am on GPE 5.0.1 atm. And it is what I put the phone on since I got it (got it used btw, but in good condition).
I unplugged around 9am, checked back at 12pm and it was 96% or so. Not very happy with that, shouldn't it be less?
I had 35% with 2.5Hrs SOT and that was around 8 hours later, NOT impressed at all!
Anyhow, I'm gonna wipe dalvik and regular cache and post a full (or close to) drain in gsam, will use it normally (like I would!)
I hope this thread isn't dead yet
P.S.: I had location on, it is now off (made no difference at ALL!).
I have BT On (but I've seen other ppl's drain, it's almost negligible because it's 4.0 LE and sync'd to Moto 360).
I have FB Messenger installed, WeChat, Hangouts and that's it for chat apps.
EDIT:
M8 wouldn't boot after updating SuperSU binary through the app and into recovery mode automatically (never again, I should ALWAYS just do it myself *sigh*).
Anyway, factory reset, wipe cache, wipe dalvik and loading GPE again through RUU.
Flashed Hypernova kernel as well.

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