yashsingh1/xdaforums huggingface dataset:
[One (M8) General] Cremnomaniac:
Recent battery use and insights

FYI -

About two weeks ago my M8 started getting really warm while it was stored in my bag. I discovered that battery life from a full charge was down to about 4-6 hours when not in use. I have no clue what changed. I didn't do any updates that I remember.

Lots of research later I discovered that "contextmanagerwakelock" was keeping my phone running about 70-90% of the time.

I started killing processes such as "GooglelocationMAnagerService" and another called GoogleLocationinjectorservice(?).

Long story short, if I keep "Location - OFF", my battery will last 24 hours easily and wakelocks only run between 2-5%

In case you can't read the Sig I'm running KK 4.4.2. Stock rooted, S-off, unlocked.

Like I said, the phone never had a problem until a couple weeks ago. It might have been a Google Maps update, but I'm not sure.

Anyway, now I'm gonna update :cowboy:
[One (M8) General] high_voltage:
Then something use your location info and prevent the phone from sleeping. Should be some app. Can be tracked, but if you upgrade your phone - doesn't matter. :D
[One (M8) General] Barboots:
I'm interested in the spontaneous shutdown issue. I've had a few issues with my Australian Telstra M8 following on from Lollipop, and am now on my second replacement (remanufactured) handset. I currently have two problems driving me quietly nuts... one is that the phone will power itself off from <20% or under as described above. When plugged in, it then reports 0% charge. I've done the battery recalibration outlined a few posts back but it doesn't seem to have done anything to fix it. The following power report is after a random shutdown and a while back on charge. Note how the WiFi is showing as active whilst the phone is off and allegedly dead flat.

/// can't post images yet ///

The second issue (for another thread) is that it will frequently not wake with the power button, but it's still powered on as I can take a screenshot. This situation seems to be related to the arrival of notifications, and when left alone for a number of minutes it will rectify itself.

Both these issues continue with all user apps disabled. Any pointers appreciated.

Cheers,

Steve
[One (M8) General] doc_v15:
Im using Leedroid ROM 8.2.4 for the first time ever, been using Viper for my whole HTC One M8's life, and its been amazing! rom is fast, stable, and battery life is GREAT! it could hold up to 4-5 SOT with total of 24 hrs stand by time with mid heavy usage

- Social media feeds

- Whatsapp

- email

- newsfeed

- calling texting

- gaming

- etc

No Screenshot yet, will add it later
[One (M8) General] Barboots:
Here's a screenshot of the battery behaviour if anyone is able to provide commentary on what's happening. I have run the battery calibration routine three times now, and battery test comes in at 90% so all is well there.

Also interesting is that the "XX time on battery" does not reset if I plug into charge... only when the battery is full. This is not what I recall, and not how my girlfriend's HTC M9 behaves. Her phone is not upgraded to Android 6 yet...

Cheers,

Steve
[One (M8) General] KrecimStanove:
6.0
[One (M8) General] wigga88:
ROM?

???
[One (M8) General] unixnews.cn:
after use cm rom， more than one day:D
[One (M8) General] mtxt:
Agree, I'm done with flashing CM13. Sows me 24h59M. Now praxis test :)
[One (M8) General] mtxt:
Hmm, shows around 3 days on the screenshot :))
[One (M8) General] vanillaLVL:
This
[One (M8) General] krazie1:
That's fantastic battery. What rom (guessing insertion or leedroid), kernel and any xposed?
[One (M8) General] vanillaLVL:
Insertion r64, stock kernel, no xposed ;)
[One (M8) General] krazie1:
That's awesome, insertcoin has phenomenal battery and stock kernel is greatly optimized.
[One (M8) General] high_voltage:
You usage in that nearly 9h SOT? Can you give more details so I can make a better judgement? Thanks in advance! :o
[One (M8) General] awhir:
Hey guys,

I have been having really bad battery performance with m8 for the past 6 months. Originally I was on Android revolution but moved to LeeRoid about 2 months ago, unfortunately the battery performance did not improved and the phone is barley usable anymore due to the terrible battery performance. The phone is also running quite slowly too. Does anyone have any tips on how I could possible improve this ? Would going to back to stock be a good idea or a re flash of the rom? Also maybe I have the incorrect kernel version or something like that might be causing this. Here are some screenshots of my version and battery stats, If there is anymore screenshots that would be helpful let me know and I will put them up.

Thanks

Also the battery dies at about 15%, maybe that indicates that the battery is on the way out ?
[One (M8) General] high_voltage:
Keep awake nearly 3h? If you don't listen to music with screen off or similar - it's too much. Some app is killing your battery running constantly(screen off and screen on). Try to find it - a lot of manuals for that around xda. You can also try ice ROM, the latest #64. It's faster for sure and as far as I hear - better battery life. Now I am on it, but second day so the ROM is not settled to comment on the battery life, performance is good tho.
[One (M8) General] Phalangioides:
What browser do you guys use? Because while using the extreme saving mode in opera mini gets me sometimes 7h sot, normal usage gives me only average of 3h sot, sometimes 4.
[One (M8) General] llsantiago:
I'm having problems with battery since the beginning of this year, my phone turns of by itself at 10%-15%. Changing the battery should fix it?
[One (M8) General] Barboots:
Hi,

I'm no mobile expert, but have been working through the same problem.

Have you completed the battery test? Using the phone dialler, enter *#*#3424#*#* and look for the battery test which is on the second page. My battery tests at 90%... which is good... but the phone still shuts down at around 15% after a very rapid drop from the mid 20's.

Have you "recalibrated" the battery? I did this numerous times to no effect, but it's worth clearing it off the list of possibilities. Search "M8 battery recalibrate" for the method.

When you plug the phone in immediately after it dies at 10-15%, what battery level is reported? Mine is zero.

Is it possible that the problem started when you upgraded to Android 6.x? I believe that's the issue with my M8.

Cheers,

Steve
[One (M8) General] Callliope:
I did that battery test too, it dropped 4% percent after one hour but i struggle to get 3H sot on Lee droid rom with ex kernel
[One (M8) General] navid0308:
If it's an old device (about 2 years old) then its probably battery wear. Typically after 2 years, batteries wear down by roughly 20%.

However, if that's not the case, try the calibration technique.
[One (M8) General] high_voltage:
Even then it should not just drop dead. This is the system reporting wrongly the charge and thus show more percent that's actually left. If the battery is old, it will just drop percents faster.
[One (M8) General] llsantiago:
Thanks for the answers [MENTION=4126040]high_voltage[/MENTION] [MENTION=4899287]navid0308[/MENTION] [MENTION=7617374]Barboots[/MENTION]

Another think that I noticed is that the voltage is not stable while the battery is around 20%. I have ordered a new battery, I'm going to change it today, then make some tests to see if the problem is gone.

Enviado do meu HTC One_M8 através de Tapatalk
[One (M8) General] high_voltage:
Maybe it really does malfunction - change it.
[One (M8) General] ieatabiscuit:
Some ROMs have a bug that does that. A few earlier versions of ViperOneM8 had that issue, and they fixed it. That's the only time I ever had that issue personally. Something about the kernel panicking at a certain battery status causing it to act spazzy and eventually just shut down. Since I had updated the issue has been completely absent for me.
[One (M8) General] Callliope:
I have this problem on InsertCoin too , i didnt had it on LeeDroid Rom
[One (M8) General] grafik2:
where did you order the battery from?

is this site legit does anyone know?

https://www.fixez.com/blog/how-to-replace-htc-one-m8-battery/
[One (M8) General] llsantiago:
I have ordered it from Aliexpress

https://m.pt.aliexpress.com/item/32...attery-for-htc-one-2-e8-m8t-d-w-m8x&#autostay

Strange, I have tried even moving to kitkat, GPE, lollipop and the problem was there. Now I'm running with the new battery and it's working great so my old battery was faulty for sure.
[One (M8) General] Barboots:
So everything is good with the new battery installed? Any updates appreciated [emoji6]

Cheers,

Steve
[One (M8) General] llsantiago:
Yes, now it's working like new, for sure my old battery was faulty. The phone discarges normally, no shutdown, and I believe that its running cooler that before. Also the battery life is very good

Before I was only able to do 3 hours SOT with 100%

Sorry about my english
[One (M8) General] king6463:
where did you buy your replaced battery?
[One (M8) General] Callliope:
How much you paid for the battery + the operation to change the faulty one?
[One (M8) General] llsantiago:
I have ordered it from Aliexpress

https://m.pt.aliexpress.com/item/322...-m8x&#autostay

7$ for the battery, I changed it, took 2 hours to do, the hardest part to me was to remove the glue between the battery and the display
[One (M8) General] grafik2:
Did you follow a write-up or guide? Care to share?
[One (M8) General] llsantiago:
I have followed this one https://www.youtube.com/watch?v=zNQM8Nb632Q

and this https://youtu.be/iFaAOHy64g4?list=PLM3XYRzu8pIEp8pQcsZ1CAIh2FUeDDSUQ to see how to put the back cover after the process
[One (M8) General] mizunox:
I see people suggesting the battery utility in the hidden menu, *#*#3424#*#* - I presume this is for sense roms only?

How do you access this with a GPE converted device?

The code above doesn't seem to do anything.
[One (M8) General] Callliope:
Is display brightness app using so much juice?
[One (M8) General] high_voltage:
It's possible. Remove it and check how the phone behaves. The build in autobrigtness is okish so you should be fine after short adjustment period... in a week you will have your own conclusion if it was really that big as it's reported. Cheers.
[One (M8) General] Leon:
Didn't read and I don't have time those days but can someone recommend me battery friendly roms? Right now I'm with CyanogenMod and isn't battery friendly for me... Any ideas?
[One (M8) General] Badelhas:
Anyone here using the HTC One M8 for more than 2 years has already replaced the battery? Can you please share your experience, like: did you notice any noticeable difference in battery life and did you replace with an original one?

Cheers
[One (M8) General] fearfighters:
Lee droid and Insertcoin are are both battery friendly.
[One (M8) General] Steveromingagain:
ViperOne 6.0.1

I have had good battery with S Rom and Viperone
[One (M8) General] llsantiago:
Look at page 342 and 343
[One (M8) General] Badelhas:
I'm on Tapatalk. Can you please tell the post number?
[One (M8) General] llsantiago:
Start at #3418
[One (M8) General] Callliope:
Its so awful that at 14% my phone turn off, then when i power it back on it has 12% percent, this wasnt happening on lollipop firmware, can i do something about it?
[One (M8) General] Badelhas:
That's a post from yourself and it's stating that you are probably in need of replacing the battery. I was asking anyone who already replaced the battery with a new original one, to know if they really saw a difference in battery life. I am debating if I should do it but since I prefer to take to a repair shop it will cost me 50 euros so it's not a cheap decision.
[One (M8) General] ieatabiscuit:
Depends on the ROM. Since early mm versions of viper one, for example, had that issue. Later releases have fixed it. I'm on LeeDroid, and have no issues with it at low power.
[One (M8) General] llsantiago:
I said to start reading at that post, I bought a new battery from that day and now is better! Please read more carefully man
[One (M8) General] Badelhas:
I'm sorry, my mistake. Thanks. The link for the battery is not working. 7 euros seems too little for an original one, are you certain it's original? The repair shop takes 50 euros to replace it, do you think that I could change it myself? 50 euros is a lot of money...

Cheers
[One (M8) General] high_voltage:
Search in youtube for tutorials, but it's not easily changeable, sadly. Actually it's hard.
[One (M8) General] sinhviencodon:
I'm currently using ViperOne ROM, my phone dies at 15% beterry left. I tried some Battery Calibration app and now it dies at 35% battery left. What should i do to fix this?
[One (M8) General] Badelhas:
How old is the phone?
[One (M8) General] sinhviencodon:
I bought it since its release :confused:
[One (M8) General] Badelhas:
It could be a faulty battery. But if you tried this:

http://lifehacker.com/smartphone-battery-myths-explained-1735327089

"... These “smart batteries” supposedly reduce the need to calibrate, though it’s still recommended when your battery behaves oddly. If you see the battery percentage on your phone jump around a lot (like you could have sworn it was fully charged, and now it’s at 20%,) it’s time to calibrate it"

And it hasent work, you have a faulty battery and its time to replace it.
[One (M8) General] popoyaya:
Mine dies after five minutes, even though it takes hours to charge. Gonna try the epic task of replacing it.
[One (M8) General] kmry:
What is your config? Rom, kernel??
[One (M8) General] Zile995:
Latest S.ROM :)
[One (M8) General] luipaard:
The best battery life in M8 for me was with ARHD 22.2 by mike1986 Android 4.4.4. Using only seeder. But after waiting for new realeases of ARHD, I'm actually now on ICE 8.2.0 ROM w/ Sense 8 Android 6.0.1 and with Elemental Kernel X trying the new stuff because my M8 with ARHD 22.2 just started to get errors and reboots. But for me, the best experience was w/ 4.4.4 with best battery experience. sry my english.

---------- Post added at 03:48 PM ---------- Previous post was at 03:46 PM ----------

This tutorial works like a charm

http://android-revolution-hd.blogspot.pe/2015/10/how-to-recalibrate-battery-life-on-htc.html
[One (M8) General] lmentor:
CM 14.1 has good battery life for me.Try it.
[One (M8) General] Callliope:
I ve just changed my battery and i m still getting this, i m desperate

Jw 5.4

Last Ex kernel for sense

I dont know what to install so i can find the culprits, i installed wakelock detector but its useless, didnt show anything wrong
[One (M8) General] Netherdrake034:
Its your battery which is finished now. Change it or get a new phone.
[One (M8) General] :
What ROm used in the photos?
[One (M8) General] Aimless Rambler:
Old thread I know (just like the phone itself) but got the phone pretty cheap and have been pretty satisfied with it's performance. Battery life seems good enough. Granted, all I do with the phone during the work day is check and send a few messages, read news, take a few calls and occasionally troll XDA. I've gotten 14 hours use thus far. On Lineage 14.1 OS. Battery life is a lot better than my old Nexus 5 and comparable to my LG G4.
[One (M8) General] Aimless Rambler:
Update: 4 hours later and after more consistent use. Again, mostly on screen time reading. I'm not a gamer.
[One (M8) General] livufeng:
my phone turns off when it %20 around battery. i downgrade to kitkat android 4.4.4 full stock and no root. here is what i got today.

almost 1 hour spotify offline music play. brightness set to auto with %100. power saver mode always on. and i was on mobile data all day. 38 moths old battery. ( sorry for my english )
[One (M8) General] froz3nbug:
Im on los 15.1 and the battery has been acting crazy...it turns off even when there's still 25-15% battery left...and when i turn on the phone after charging for a while it jumps a lot of percentage in the battery..ie. 30% while charging when the phone's off jumps to say 70% if turned on...i tried calibrating using the app...no improvement at all...is there something i can do besides replacing my battery to improve this situation?? You can see from the screenshot my battery's mess right now
[One (M8) General] jshamlet:
Unfortunately, this isn't a Lineage problem, but a hardware problem. Your battery is nearing end of life.
[One (M8) General] domohan:
My battery was definitely on it's last leg as it would power down at 20%-ish. I tried using battery calibration techniques which didn't seem to make a difference. I took the plunge and got a battery off ebay. Along with my existing smartphone tools and youtube video I successfully replaced the battery 2 days ago. So far on CyperOS 4.1.3 it's noticeably better and shutdown closer to 5%.

If you haven't taken your phone a part be ready for lots of scuffs and scratches between the screen top edge and the casing. There's really no way to avoid it.

Feels like a new phone and the quick charge is significantly faster. I'm loving it.
[One (M8) General] Hanataji:
Battery? Hardware? System? Kernel? Maybe for a guarantee :3 ? OOORrrr self replacing battery?

[IMG="Kappa maxima"]https://image.ibb.co/dmcHSR/kaplica.png[/IMG]
[One (M8) General] alhadee12:
I've learned that the Verizon Protection app increases the kernel. I activated it this morning and I'm at 62%.
[One (M8) General] BerndM14:
lol Leave it to the carriers to make things worse :rolleyes:
[One (M8) General] alhadee12:
I disabled it, but still likely reactivate it because of all the things I do on my phone.
[One (M8) General] jamiee6610:
im averaging a day and a half, even under constant and extreme abuse its lasted all day!
[One (M8) General] cheno1115:
Hmm. Yesterday I was back up to ~62% kernel use, but i have the developer edition with no carrier apps. Do you think activating the Verizon app may have been a coincidence to something else causing the kernel usage?

I'm honestly considering leaving the stock ROM for something else. I can't stand having something eat my battery away that I can't control.
[One (M8) General] mr_stoosh:
Thanks Mate, I performed a factory reset but still no joy...down to 22% with medium usage.

Used 69% in 9h 37m

So I guess the phone is faulty. I've asked for a replacement so fingers crossed that phone is better.

Hope your Mum is feeling much better.
[One (M8) General] cheno1115:
Are you using GSAM and seeing where that battery life is going? Is it to the kernel?
[One (M8) General] alhadee12:
Do you have any type of anti-virus running. Thanks, she's getting better.
[One (M8) General] mr_stoosh:
Yes Mate, here's the pics

As you can see 23% is going to the kernel so it's not as high as yours.

However the phone is eating through battery like no ones business. It's also been awake for 6hrs 4 mins which is really high.

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@alhadee12 I'm glad that your Mum is feeling much better, you must be relieved.

No Mate, I'm not using any sort of anti virus software.

Personally I really do think the phone is faulty, I have 2 other friends who have the M8 and their battery life is much better.
[One (M8) General] cheno1115:
If I were you, and had the opportunity to exchange it for a new one without too much of an inconvenience, I'd go for it. But it sounds like you have an app that is keeping your phone from going into deep sleep. I have "better battery stats " that tells me what keeps it from going into deep sleep.
[One (M8) General] mr_stoosh:
I've arranged for an exchange via Amazon, the new phone should be with me tomorrow, so it's not too much of an inconvenience at all and I won't be without a phone which is a result.

I have better battery stats installed too, how do I check what app is keeping it from going into deep sleep?
[One (M8) General] cheno1115:
Programs listed under "wakelocks" both the normal one and the partial wakelocks keep it from going into deep sleep.
[One (M8) General] mr_stoosh:
Thanks Mate, but I can't find the programs listed under wakelocks. Does this feature need root as I'm not rooted.
[One (M8) General] yvibes:
Here are my stats for my last two charges. Had the phone for almost 2 weeks now, seem to get an average on screen time between 5.30 - 7hours. The phone easily gets me through a day, get a day and a half from every charge. Have gone 2days on a single charge for which I've posted screenshots... Could easily get a few days if used lightly combined with ultra power saver. Love this phones battery life compared to HTC One m7 ?
[One (M8) General] Jooosty:
So far it's good enough.

Not as good as my G2.
[One (M8) General] okti35:
Hi

I want to ask you have Custom Stock Rom and rooted? I ask for me Gsam Monitor does not work right?
[One (M8) General] cheno1115:
I'm sorry. When I said you should view what's holding wakelocks, I was referring to better battery stats. But that requires root. And it's not free. I posted a few pictures from that app earlier in the thread but no one interpreted it (yet).
[One (M8) General] BeatsByMessi:
Only got my M8 yesterday but so far battery life for me has been excellent. As you can see from the screenshot I used it from 82% so maybe if I'd charged it to 100% I could have got over 5 hours screen on time and that's with strictly 4g most of the time and occasionally 3g. If I was on WiFi it could have been better
[One (M8) General] alhadee12:
I'm feeling a whole lot better and definitely relieved.
[One (M8) General] NJGSII:
This was actually interesting. This morning entirely on LTE it only took 11% drain from full charge to get an hour screen time. Now this was done mostly with pure browsing on chrome and some usage of instagram, but no phone I've ever had before has even come close to matching this, even with wifi with similar usage. Note that my house gets good LTE reception.
[One (M8) General] Hardcore73:
Best battery life of any phone I have tested and that is a ton.
[One (M8) General] dsymbol:
Hi,

any of you use facebook on the m8? light user? medium? heavy user?

Can the phone last a day?

Thanks.
[One (M8) General] Killastyle:
I come from an iPhone 4s, and that battery drained really quick. This one is much better !
[One (M8) General] dukat0s:
My new toy =)

i charge it only once time and the battery life is amazing much better than my G2 ... i use extreme power saving at night when i sleeping and in some places without 3G/4G signal.....full stock unroot! :)
[One (M8) General] robt772000:
10 hours screen on time???? Are you a magician? Wow. Better than note 3.
[One (M8) General] dukat0s:
Rofl dude...note 3 got crappy battery... u can check phonearena - gsmarena reviews M8 got the best battery out there ...i see 10h screen in my g2 too but with kernel greenify etc... =)
[One (M8) General] alhadee12:
After a factory reset, I'm getting 24+ hours.
[One (M8) General] Tiann:
Easily, but it depends on certain factors.

Mine lasts me easily the whole day, with charge to spare before I go to bed at night.
[One (M8) General] Cryosx:
What apps did you use?
[One (M8) General] AMoosa:
6 hours screen time regularly. Comparing with my s5 now and seems very similar.
[One (M8) General] kami2k:
Great..........

---------- Post added at 01:07 AM ---------- Previous post was at 01:05 AM ----------

great............
[One (M8) General] mushages:
Battery seems to die much faster using 4G, I think I can get only 4 hours screen time on 4G and up to 8hours which I already got on wireless. Plus phone seems to drain much while sleeping on 4G with power saving mode activated too...
[One (M8) General] gurkburk92:
No. Factory reset your phone.
[One (M8) General] mushages:
It's not about factory reset I change Roma regularly so this is the average I see.
[One (M8) General] -sandro-:
Wow that would translate to almost 10h of screen time on LTE??? :/
[One (M8) General] NJGSII:
You would think, but I believe battery loss isn't always linear. If it were in that case that would equal 9 hrs on a full charge.
[One (M8) General] StickyGeko:
No SIM in atm....but been messing with it loads
[One (M8) General] jayr04:
2nd full charge. might get over 6 hours screen time next time.
[One (M8) General] madgalaxy:
How is the battery life working out for GPE owners?
[One (M8) General] alhadee12:
Yes, I'm expecting better results. I used it pretty heavily today. What's your take?