Develop Bugs

Downgrading to Android 4.4?

I am very upset with low battery life. It holds the charge ok while I am not doing anything, but overheats when I use the internet, GPS or camera. Power loss is about 20% per hour, which is unacceptable. I am shocked how come they can even bring such products to the market.
I recall that power consumption significanlty increased when I upgraded Sony Xperia Z1 from Android 4.4 to 5.
I have a rooted LG G4.
I want to install android 4.4 on it. Is it possible to install standard version of Android 4.4 or the phone will stop working?

I can definitely relate to the bad battery life, I lose 20%+ when using my phone during my lunch break, it's insane.
Unfortunately the bootloader is locked with no workaround currently, so there is no way to flash custom ROMs. If there was, you'd be hard pressed to find a developer working on an older Android OS as most tend to use the stock ROM and customize it or use a newer version of AOSP Android.

geoff5093 said:
I can definitely relate to the bad battery life, I lose 20%+ when using my phone during my lunch break, it's insane.
Unfortunately the bootloader is locked with no workaround currently, so there is no way to flash custom ROMs. If there was, you'd be hard pressed to find a developer working on an older Android OS as most tend to use the stock ROM and customize it or use a newer version of AOSP Android.
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Thank you for information. I hope they will come up with something, like downgrade capability or Android 5 fix.

Go into battery stats and see what's draining your battery. Try installing GSAM battery monitor or BetteryBatteryStats.
Maybe you have email set up to constantly check or something else, but there is something draining the battery. Your drain is not normal.
I am getting easily 24 hours between charges. I'm getting a few hours of screen on time each day. My battery drain overnight is about 1% or 2% per hour. For example, I may go from 78% to 68% overnight. I think that's high because I had my G3 on Lollipop doing 2% or so most nights. I leave on WiFi and data all night.

Battery problems?

I know, our device has really great battery life and I don't have anything to complain about that, but a friend of mine just got himself a new phone and his values make me a bit jealous and most of all: surprised and stunned.
He got himself a Xiaomi Redmi Note 4 (SD 625 variant, MKT variant really sucks), it has the same processor, same display and not even 700 mAh more (4100 mAh) and he got with some "dev rom" (made by Xiaomi, seems to just be the beta of that ugly MIUI 9, based on Andorid 7.0) 6h of SOT, doze seems to haven't really kicked in in that time. in their forum in the SOT thread I see people getting normally about 8-10 with up to over 12 h of SOT, most of them on stock ROM without any additions. And I'm quite irritated about that huge of a difference with not that much more battery. And he seems quite convinced that it's not on the cost of performance, you should notice that quickly on such a heavily skinned ROM.
Now my question is: how in hell is that even possible? I mean our devices seem quite comparablewith just a slight bump in battery but near-stock AOSP Android against pretty much an iOS clone. Does anyone have any idea what could cause that big of a difference? And if it's software based could that be done on our device? Because my experience and from different posts our device lasts about 5-6 h normally.
I mean I'm already lucky about my 2 days of usage with up to about 2.5 days on some weekends where I have a lot of stuff to do. But I wouldn't mind a bit of extra. But my biggest problem with that is as simple as: how? I could really use some explaination right now...

I don't have issues with device.. stock 7.1.1 with dec.patch, unlocked bootloader, with latest magisk. Also installed greenify.

Then you are one of very rare cases. My experience is about half of that.
And I also meant on stock ROM, without any modifications. So I don't know which apps you greenified, but that was not the point. I use Greenify too but more for apps that aren't supposed to run constantly in background when I only use it very seldomly.

The norm for this phone is 8+ hours SOT. Sometimes I get 10 and a few have had up to 12. Unless you're gaming 8 should be easy. 5 hours means something is wrong with your phone hardware, you have a rogue battery eating app or you're gaming. I rarely charge my phone over the weekend even when I use it a lot.

Well, neither of that is the case and I rarely see people claiming more than 6h of SOT

So the answer to your question is, it's the wrong question. The question should be, why does my battery not last very long and what apps or usage causes me to have such poor battery life? Compared to the Redmi Note 4 the Z Play is exactly where it should be.
Here's a link to the SOT thread: https://forum.xda-developers.com/moto-z-play/review/screen-time-t3643959
gsmarena battery life test 100h endurance rating: https://www.gsmarena.com/battery-test.php3?idPhone=8310#show
Here's an app to help diagnose battery condition (Accubattery): https://play.google.com/store/apps/details?id=com.digibites.accubattery&hl=en
also betterbatterystats is really helpful.
I sincerely hope you get it sorted out!

Well, gsam isn't detecting any app that's off even with root so I don't think there is any. I installed that AccuBattery app, let's see what it has to say

Removed because of ****ty q&a system...

Oh, and another thing I noticed: I get very randomly reboots, and every time the battery percentage drops massively. Just had a 30% drop. And after the reboot the battery percentage seems like frozen. Now I rebooted and plugged in the cable and got 44% again... No fast charging. Do that detection seems very off
Motorola forum isn't helpful at all. Clearing cache and dalvik didn't change anything and running around for a week in secure mode (that's how random they mostly are) or even doing a factory reset without restoring apps is out of question for obvious reasons.

That's pretty weird. Did you try a factory reset and after restore your apps? There's not a lot you can do if you're not rooted, but you shouldn't need to do much anyway on stock rom.
Only other option is full RSD lite OS restore as a last resort.

I am rooted for long, that's why I use Greenify. I know it also works without but then it's a joke. As RSD lite is, it just refuses for everyone to detect anything on Windows 10.
Factory reset is out of question for the moment, it takes way too long to do it properly (with titanium and NANDroid backup first) and I won't have that much time probably for the whole of this month. Otherwise I would most likely already have went off to the next best custom ROM since Motorola just can't get their **** together and still work on 8.0 in test for 2.5 month with searching testers for another one.
I think the next thing I'll do is to try the good old battery calibration, just have to find the file storing the statistics. I know many say that won't work but that's rubbish, it worked for me already a few times

Update: no, no change. Don't know if that funky battery percentage bug on random reboots still happen since I haven't had any again yet, but they come too random and unpredictable.
And that AccuBattery just proves to be worthless. It tries to estimate the rest capacity, but then it even fails to detect original capacity by 500 mAh. The battery sucker stats are also unrealistic. It puts chrome first with 10%, while GSam with root puts it 5th at 4.6% after kernel, Spotify, Android system and fight services. Android itself even puts it 9th with screen, phone idle, cell standby, Android OS and Bluetooth in-between.
So let's see what happens first. Motorola releasing 8.0, which I will flash through the .xml.zip, this time using flashfile.xml which should force a factory reset... Or me finding the time to switch to a custom ROM
Edit: so I got another one, bit this time no crazy battery drop. But the other times I killed of the soft reboot sequence because Magisk can have some problems with that. This time I didn't

Yesterday I was finally able to do the factory reset since those darn random reboots became too annoying and Moto's support is had just the most ridiculous ideas... In the worst way.
Either way, now OTA looks better, let's see how it will turn out in the next days

Going from Oreo to Marshmallow & Battery??????

hello there, been following this forum for ages, and a owner of a htc 10 for two weeks....
But I have a big problem....... the battery.....It really is abysmal......
I am currently on LeeDroid oreo, but have tried other roms, and come to the conclusion, the battery sucks!
I know there are kernal tweaks, but with this phone, i just like running the basic custom rom, no bells and whistles......
i am s-off and know how to downgrade/sort signal out/CID/ADB and everything, but I am reluctant to go too far back (Although I do like marshmallow)
I know on other phones, that going back to a previous firmware...sometimes improves the battery
but will it improve my battery????????

I went from Oreo to Nougat. Battery much improved. I was running pure stock rooted. No other mods on Nougat. Took a day to settle, but I could finally leave the house not worrying if I needed to carry a USB cable with me for a charge.
Sent from my LG-H918 using Tapatalk

gustav30 said:
I went from Oreo to Nougat. Battery much improved. I was running pure stock rooted. No other mods on Nougat. Took a day to settle, but I could finally leave the house not worrying if I needed to carry a USB cable with me for a charge.
Sent from my LG-H918 using Tapatalk
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And overnight, do you notice any abnormal discharge? As much as 25/30%? or less?
I have this much of a discharge on nougat and on oreo... Did not noticed much of a difference on both FW tbh... As i bought this phone 2nd hand about a month ago, it was already on N and never tested it on MM to tell if there is any difference.
Our luck is the fast charge capability this phone has...

яι¢αя∂σ said:
And overnight, do you notice any abnormal discharge? As much as 25/30%? or less?
I have this much of a discharge on nougat and on oreo... Did not noticed much of a difference on both FW tbh... As i bought this phone 2nd hand about a month ago, it was already on N and never tested it on MM to tell if there is any difference.
Our luck is the fast charge capability this phone has...
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No, maybe like 2 - 3% at most overnight.

gustav30 said:
No, maybe like 2 - 3% at most overnight.
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And you had battery problems before the downgrade?

яι¢αя∂σ said:
And you had battery problems before the downgrade?
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I would say so, yes I had problems. I bought this phone 2nd hand as well. A mint Red one. Pristine condition - at least in appearance. I also have/coming from a daily driver LG V20. Which also uses same 820 chipset. So I had some kind of expectation as to what battery life around. I was kind of shocked how bad the battery was on the 10. Phone was dropping like maybe 20% overnight. In the daytime on stock before I rooted I was getting maybe 1.5 - 2 SOT hours depending on use(i'm not a heavy gamer). I had never experienced such bad battery life before on an HTC phone. I unlocked it/rooted it and started playing with mods. The most success I had was with the Helix engine. I also had some Magisk modules installed to help deep sleep. Probably improved to getting 3 - 3.5 hours SOT. There is a thread dedicated to getting better battery life on Oreo in the guides section and I'd follow that thread and try various things. Also I had done the HTC calibration a few times, and the HTC battery test just to get a sense of the battery's health. In their test, I scored an 85, so I'd say the battery was OK. Not in the area of being a replacement.
But in the end, I was curious to go back to Nougat and then maybe on to Marshmallow to see how battery life would be. Simply going down to Nougat, I was satisfied. Not quite as good as my LG V20, but close enough. Don't feel the need to go down to marshmallow for it.
Maybe in the future I'll go back to Oreo on the 10, but for the most part, Nougat is fine.
From what I've read as well, HTC sort of 'unleashed' the power of the 820 chipset in Nougat, therefore when people went from Marshmallow to Nougat they reported worst battery life but improved performance especially in gaming.

gustav30 said:
I would say so, yes I had problems. I bought this phone 2nd hand as well. A mint Red one. Pristine condition - at least in appearance. I also have/coming from a daily driver LG V20. Which also uses same 820 chipset. So I had some kind of expectation as to what battery life around. I was kind of shocked how bad the battery was on the 10. Phone was dropping like maybe 20% overnight. In the daytime on stock before I rooted I was getting maybe 1.5 - 2 SOT hours depending on use(i'm not a heavy gamer). I had never experienced such bad battery life before on an HTC phone. I unlocked it/rooted it and started playing with mods. The most success I had was with the Helix engine. I also had some Magisk modules installed to help deep sleep. Probably improved to getting 3 - 3.5 hours SOT. There is a thread dedicated to getting better battery life on Oreo in the guides section and I'd follow that thread and try various things. Also I had done the HTC calibration a few times, and the HTC battery test just to get a sense of the battery's health. In their test, I scored an 85, so I'd say the battery was OK. Not in the area of being a replacement.
But in the end, I was curious to go back to Nougat and then maybe on to Marshmallow to see how battery life would be. Simply going down to Nougat, I was satisfied. Not quite as good as my LG V20, but close enough. Don't feel the need to go down to marshmallow for it.
Maybe in the future I'll go back to Oreo on the 10, but for the most part, Nougat is fine.
From what I've read as well, HTC sort of 'unleashed' the power of the 820 chipset in Nougat, therefore when people went from Marshmallow to Nougat they reported worst battery life but improved performance especially in gaming.
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Im aware on the unleashed power htc did on N, but it just don't justify the amount of energy drained. It does not make sense to remove social or other apps from background just because you need to retain battery. Still have a one M7 and the battery still is way better than this htc, with all the apps and settings i need on both, almost a clone of my m7. Im no gamer at all, and don't use whatsup, viber, FB, g+ etc.
You are saying that just by returning from Oero to Nougat, your htc 10 battery got less discharge, like it got fixed? without any mod's?
Thanks for your time to answer me!

Yeah, for me moving back to Nougat fixed my drain problems. Keep in mind, I didn't own the phone before Oreo, so I can't say what it was like pre oreo. But I finally felt comfortable with the performance/battery life I was getting on Nougat. I can't say this will work for you, but others have reported the same. Moving back to Nougat improved battery life.
Before you do it, I'd advise to rule out a hardware problem though to save the aggrivation of downgrading. Do the HTC battery test. If you fall below 70% in the test after an hour, I'd say it might be more hardware related than software.
Sent from my LG-H918 using Tapatalk

gustav30 said:
Yeah, for me moving back to Nougat fixed my drain problems. Keep in mind, I didn't own the phone before Oreo, so I can't say what it was like pre oreo. But I finally felt comfortable with the performance/battery life I was getting on Nougat. I can't say this will work for you, but others have reported the same. Moving back to Nougat improved battery life.
Before you do it, I'd advise to rule out a hardware problem though to save the aggrivation of downgrading. Do the HTC battery test. If you fall below 70% in the test after an hour, I'd say it might be more hardware related than software.
Sent from my LG-H918 using Tapatalk
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Good morning.
Wile i was chating with you (yesterday), finally used the htc battery test and to my surprise it went from 99% to 88% in that hour test (99 because it was off and spent that ~1% booting). So, hopefully, will experience the same as the most of you who made the downgrade.
Perhaps its some part on the process of downgrading that fixes something, maybe the format of the [persist] partition one have to wipe to recover access to the baseband (thus the imei) repairs something, a kind of file system error that makes the android system use a lot of power(?).
As i told before, if do mobile repair and to this day, after several hundred of phone fix (hard and software, various brands as lg, samsung, htc,, iDeveices and china phones, never seen this type of problem unless it was hardware problems like pmic (power management IC) due to use of bad chargers / bad cables, water damage, drop damage, etc. Got this 10 and as soon i got here (xda) immediately noticed the amount of people that had the very same problem. And we are (here on xda) just a few to the many thousands of 10 owners around the globe that don't use xda or any other forums to talk about this problem.
Going to do this downgrade today. Im eager to see the result and use my 10 finally (another agnostic hope :angel!!
Thanks!

Poor Battery Life on Android P

Ever since upgrading to Android P (OTA) 3 days ago I've noticed the battery life is really poor. On Oreo I used to see only 1-2% drain overnight. Now I go to bed with full charge and wake up with only 60% left. The battery drains a lot faster when I'm using it as well.
I used to be able to get 6-7 hours SOT easily. Now I'm not even sure if I could squeeze 4 hours before the battery is flat.
Is anybody else seeing this? Or is this normal considering Android P just got installed and it needs time to "optimize stuff"? But then again, with Oreo I got awesome battery life from day 1.

Weird, I've gotten better battery life..

Better battery here

Interesting. I'll let it run a few more days and see if there's any improvement. Otherwise I'm going back to Oreo.

huiseh said:
Interesting. I'll let it run a few more days and see if there's any improvement. Otherwise I'm going back to Oreo.
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Give it some time, once adapative battery figures out your usage and adjusts accordingly, you should see better battery life
Sent from my Pixel 2 XL using XDA Labs

Try to factory reset ur device this may help

Thanks guys. I'll wait a few more days. If it doesn't improve will try a factory reset

I'm getting better battery life with Pie

Pixel 1 XL could last a long time. Pixel 2 XL was worse and the worst with Android P unfortunately. I upgraded from Beta, decided to factory reset since there was a bug with Wear OS eating the battery. Got a little better. Got some more little better disabling adaptive battery. I think Doze is still in Android P.
Anyway, it's still not that good. But decent.

I am having the same issue.
when I reboot the phone, the battery seems ok.
But when I start using the phone and open several apps, the battery starts draining quickly.
I installed magisk root, should I do a factory reset and not installing magisk?

I went from a day and 17 hours to 16 hours. This is definiately a piss-poor "improvement to battery life."

Triscuit said:
Give it some time, once adapative battery figures out your usage and adjusts accordingly, you should see better battery life
Sent from my Pixel 2 XL using XDA Labs
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I'm not sure how much help adaptive battery is going to help. It's meant to limit background battery usage of infrequently used misbehaving apps. If that's not happening adaptive battery won't do much.
---------- Post added at 07:05 AM ---------- Previous post was at 06:57 AM ----------
My battery life has been terrible. Today I unplugged at 93%. I've been off the charger for 9 hours with 4 hours screen on time. I'm at 23%. With Oreo that kind of usage would have me at about 40%.
I'd rather not have the hassle of having to do a factory reset but I might not have much choice.

It hasn't got any better since I reported the issue.
I think I'm going to flash Oreo instead of trying a factory reset as I doubt it would solve the problem. Maybe someone else could try and let us know.
I'll report back after flashing Oreo. Very disappointed. I thought this was the first phone I didn't need to tinker with all these stuff on. I was really happy with it until this issue came up.

So a few days ago I flashed Oreo only to have it tell me it couldn't find any of my backups on Google Drive during the initial setup. Of course, the backups were done when I was on Pie.
So I had to upgrade to Pie then factory reset. This time it found my backups.
Yesterday I managed to get 5 hours SOT with about 40% battery left. Life is all good now

huiseh said:
So a few days ago I flashed Oreo only to have it tell me it couldn't find any of my backups on Google Drive during the initial setup. Of course, the backups were done when I was on Pie.
So I had to upgrade to Pie then factory reset. This time it found my backups.
Yesterday I managed to get 5 hours SOT with about 40% battery left. Life is all good now
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looks like i'm going to have to do the same. It doesnt make sense how some people are getting better battery and other worse. Are there some of us running apps not 9.0 compatible? might be worth uninstalling everything and adding them back day by day. it'll take a long time though!

huiseh said:
So a few days ago I flashed Oreo only to have it tell me it couldn't find any of my backups on Google Drive during the initial setup. Of course, the backups were done when I was on Pie.
So I had to upgrade to Pie then factory reset. This time it found my backups.
Yesterday I managed to get 5 hours SOT with about 40% battery left. Life is all good now
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I had a similar experience. Battery life was awful after Pie update. Factory reset and it's back to normal.

ej7631 said:
Weird, I've gotten better battery life..
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same here, slightly better

It appears I jumped the gun. The problem came back yesterday.
The phone loses about 4-5% battery per hour even on standby. I have no idea what's going on; I haven't installed any new apps and usage pattern hasn't changed either.
One very interesting fact I have discovered is that the issue appears to happen only when I'm on Wifi. When I'm mobile data, all is good. So the phone seems to be doing some funky stuff when it's on Wifi lol.
Oh well, I guess I will try to install BBS and see if I could find the culprit.
mwatson said:
looks like i'm going to have to do the same. It doesnt make sense how some people are getting better battery and other worse. Are there some of us running apps not 9.0 compatible? might be worth uninstalling everything and adding them back day by day. it'll take a long time though!
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That is entirely possible. I guess we have apps that have not been written/optimized for Pie? That would explain why some people are not seeing the issue and some unfortunate ones like us are.

I factory-resetted the phone, the issue is still there. I don't have any strange app. It seems that it's just the system that is consuming the battery.

That's very strange I've had the complete opposite, battery life has improved, if reset didn't fix it monitor your apps for unusual battery usage and limit the background activity of battery consuming apps

[Q] Battery Drain on any ROM, Battery Replaced

Hello, I have A Pixel XL 32GB and its been 3 weeks since i last replaced my battery, well I have tried every kind of rom and kernels in the forum but i keep seeing Kernel(Android OS) on my battery chart higher than any app and next to it is Android System ( Using GSAM) and no matter what network i use either WIFI or Mobile Data i keep seeing drain. Plus the phone randomly heats up while just browsing and drains. For example while browsing facebook and the temperature at 35 and increases to 42 and i can feel the device going warm. Also for the battery, well it is a original battery and i trust the source that i got it from(using accubattery if i am not mistaken it reported 95% battery health). there are also instances where the phone is just cool and when i monitor it using gsam android system and kernel is no where to be found ( given that the phone just got unplugged). so far i have tried stock android pie January patch and August patch, android 10 October and December patch, Lineage OS,Bootleggers,EvolutionX2.1 elementalX also PureZ kernel KirasakuraQ, Kingkernel.
currently on Bootleggers and stock kernel
Same behavior don't know what to do help

've never had good results when I've replaced the battery in any phone or tablet I've owned. What source did you use for the battery? I'm considering replacing the battery in my Pixel XL, but I'm not too hopeful. Some people report good results with batteries from Ifixit.

Not quite sure about that, I sourced my battery from my local repair shop that was most recommended in my area. past customers had good results with battery and seems to be fine and doing great with their batteries, but i'm sure that that they've outsourced (out from the country) it because it took me months to receive it.
the problem is i'm always seeing Android System or Google Play services consuming my battery, there are times where the phone won't drain and actually give me decent battery where i can see system and google play services at the bottom consuming 1% of the battery.

Did they tell you how old the battery was or when it was made? Original or generic?

-Maverick- said:
Did they tell you how old the battery was or when it was made? Original or generic?
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they said it is original and I trust them.

xperia user01 said:
they said it is original and I trust them.
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I never wrote you didn't, just a simple question.
If you want to rule out the battery, factory reset with no account on stock apps and see how the battery holds up. If it holds, then slowly start adding everything back while monitoring your battery stats. :good: