Develop Bugs

Standby drain

When you sleep, does your phone sleep, or does it stay up all night and crunch 1s and 0s? Rate this thread to express how you deem the speed at which the Lenovo ZUK Z2 (Plus)'s battery drains under standby conditions. A higher rating indicates that when the phone is not in use, the battery drains minimally.
Then, drop a comment if you have anything to add!

One of the biggest issues in the current Oreo ROMs is the mobile network standby drain.
People using the Pie alphas should report if it still exists or has been fixed, although I don't see any new baseband and hence the chances of latter are less.

devashish90 said:
One of the biggest issues in the current Oreo ROMs is the mobile network standby drain.
People using the Pie alphas should report if it still exists or has been fixed, although I don't see any new baseband and hence the chances of latter are less.
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The problem still exists in android pie roms too some one should address this serioous issue :crying:

Abhijith2048 said:
The problem still exists in android pie roms too some one should address this serioous issue :crying:
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I think I'm going to flash a really old stock ZUI for the firmware and then flash the legendary AEX 4.6 Nougat. That seems to be the only way forward to get some decent battery life and stability.

devashish90 said:
I think I'm going to flash a really old stock ZUI for the firmware and then flash the legendary AEX 4.6 Nougat. That seems to be the only way forward to get some decent battery life and stability.
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You could also install the viper os 3.0 final build but the problem with that is that it doesnt have the cameraapi 2 enabled on that because of that the google cam wouldnt work. The photos taken by the google cam and stock cam differ in the quality by a huge margin to be ignored

devashish90 said:
I think I'm going to flash a really old stock ZUI for the firmware and then flash the legendary AEX 4.6 Nougat. That seems to be the only way forward to get some decent battery life and stability.
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Click to collapse
Which ZUI you would flash? Stock Indian 2.5 or the Chinese ones?

saurav_k said:
Which ZUI you would flash? Stock Indian 2.5 or the Chinese ones?
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Click to collapse
I ended up dowloading ZUI 2.0.093 Indian for qfil and ZUI 2.5.104 stock recovery zip (qpst one for this wasn't downloading for me).
I flashed ZUI 2.0 via qfil successfully, and received a small oTA to 2.0.133, and then decided to flash 2.5 via recovery, but failed to get it work. Anyways, decided to go ahead and unlock the BL and then I ended up flashing only the baseband from Indian 2.5.099 (data quota restrictions ).
After that I flashed the last build of AEX 4.6, used it for a day and the standby drain was not like a drain overthere. Unless I did not use hotspot, it wouldn't show up in top 5.
Few hours later, got a notification for a rebased release of Jaguar oreo, and couldn't resist from trying it out. Initial impressions were great, but slowly the standby drain started creeping in, and within a few hours it rose to the top. Luckily I made a nandroid backup of the AEX 4.6 Installation which I reverted to last night.
I do miss the oreo features though

Developers should look around the way Oneplus 6T addressed the issue. Coz I heard, they almost fixed the issue in the new phone.

ShaktiSW said:
Developers should look around the way Oneplus 6T addressed the issue. Coz I heard, they almost fixed the issue in the new phone.
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So does this problem exist for all android phones that are above android Oreo??? or is it just for our phones. The thing iam trying to understand here is that is it google that messed up android or is the developer that created the roms for our phone that messed up. Its actually funny how the phone uses more battery when the phone is not in use.:cyclops::cyclops:

1-2 % within 10 pm to 5 am ( Jio4G + Vodafone 3g ) without data connection

devashish90 said:
I think I'm going to flash a really old stock ZUI for the firmware and then flash the legendary AEX 4.6 Nougat. That seems to be the only way forward to get some decent battery life and stability.
Click to expand...
Click to collapse
Hmm that means that you wouldn't be able to use google cam that means a huge degrade in the picture quality

Abhijith2048 said:
Hmm that means that you wouldn't be able to use google cam that means a huge degrade in the picture quality
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After creating a nandroid backup of fully loaded aex 4.6, I'm back to living on the bleeding edge. Going back to aex 4.6 wasn't as good in terms for battery performance Z I expected it to be.
Currently on october pixel exp pie and the latest gcam pixel3 mod and even the pixel 2 mods frequently crash the phone (kernel panic maybe) during HDR processing. Didn't have time for debugging so received a lot of frowning from family for missed shots and extended wait times but who cares as whatever gcam was able to shoot was unbelievable.
Would be moving to the latest AEX pie with 4.4 kernel soon as I have read that the new kernel will improve the battery life.

devashish90 said:
After creating a nandroid backup of fully loaded aex 4.6, I'm back to living on the bleeding edge. Going back to aex 4.6 wasn't as good in terms for battery performance Z I expected it to be.
Currently on october pixel exp pie and the latest gcam pixel3 mod and even the pixel 2 mods frequently crash the phone (kernel panic maybe) during HDR processing. Didn't have time for debugging so received a lot of frowning from family for missed shots and extended wait times but who cares as whatever gcam was able to shoot was unbelievable.
Would be moving to the latest AEX pie with 4.4 kernel soon as I have read that the new kernel will improve the battery life.
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Click to collapse
What? Gcam is exceptionally stable for me, both pixel 2 and 3 moda

devashish90 said:
Currently on october pixel exp pie and the latest gcam pixel3 mod and even the pixel 2 mods frequently crash the phone (kernel panic maybe) during HDR processing.
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Hmm, is this issue specific to Oct build of PE Pie ROM ? Or you witnessed with earlier versions of PE too?

Battery life started decreasing after beginning of Android Oreo 8.1.
I'm using Viper Nougat Final + OSS Cam patch. I'm pretty happy with it.

Is updating firmware to zui 4.0 can solve draining problem

Sumit Saroha said:
1-2 % within 10 pm to 5 am ( Jio4G + Vodafone 3g ) without data connection
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Which rom and baseband do you use ??

ZUI 5 GSI has very low standby drain and SOT is also really good between oreo roms. You can try it once.

mine was so bad
I lose 25-30 percent through the night everynight and, I just replaced my battery for 3 month.
i don't know what's going on.
Can any one recommend me some good battery rom please ?

The battery drain issues are solved
Guys iam happy to report that the battery drain issues are solved on latest build of bootleggers 4.0 rom
Here is a link to it
https://forum.xda-developers.com/lenovo-zuk-z2/development/pie-bootleggers-3-5-shishufied-zuk-z2-t3867112

Battery drain on all custom roms

I'm new to Xiaomi mi max 32Gb. At the moment, I'm running MIUI 9 global 8.2.24 beta and the battery life is fantastic, 11 hours of SOT, but every time I flash a custom roms the battery drain is crazy, 5 hours of SOT. I have tried a couple of custom roms but it's always the same. I get about half of battery life in any custom roms. Is there something that I'm doing wrong

same as mew , more SOT in miui than Other non miui custom rom.

coco1476 said:
I'm new to Xiaomi mi max 32Gb. At the moment, I'm running MIUI 9 global 8.2.24 beta and the battery life is fantastic, 11 hours of SOT, but every time I flash a custom roms the battery drain is crazy, 5 hours of SOT. I have tried a couple of custom roms but it's always the same. I get about half of battery life in any custom roms. Is there something that I'm doing wrong
Click to expand...
Click to collapse
You should install:
-greenify:Restrict background apps activity
-app opsisable (location+keep phone awake+kee app in background) for all apps
-betterbatterystats:shows you what drains the battery
-run battery saver mode
-install custom kernel

when i first bought this phone and used miui i charge every 3 days. with custom rom and greenify, every day. so up to you. u want long battery or custom rom

yusoffb01 said:
when i first bought this phone and used miui i charge every 3 days. with custom rom and greenify, every day. so up to you. u want long battery or custom rom
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Did you try custom kernel?
What is the best battery saver miui?6 or 7 or 8 or 9

it was using miui 8. never tried newer ones.
currently using unleash custom rom. with greenify and the built in privacy guard's disable run in background, i get better battery

yusoffb01 said:
it was using miui 8. never tried newer ones.
currently using unleash custom rom. with greenify and the built in privacy guard's disable run in background, i get better battery
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Click to collapse
What is the best rom in battery ?
What was the sot in this rom?

coco1476 said:
I'm new to Xiaomi mi max 32Gb. At the moment, I'm running MIUI 9 global 8.2.24 beta and the battery life is fantastic, 11 hours of SOT, but every time I flash a custom roms the battery drain is crazy, 5 hours of SOT. I have tried a couple of custom roms but it's always the same. I get about half of battery life in any custom roms. Is there something that I'm doing wrong
Click to expand...
Click to collapse
Which costume ROM's?
Stable unofficial LineageOS (nijel8) out of the box gives 11~12h of SOT while stable global MIUI 9.5.2.0 gives 5 to 8 h SOT.
This is normal use without heavy gaming of course.

Zola III said:
Which costume ROM's?
Stable unofficial LineageOS (nijel8) out of the box gives 11~12h of SOT while stable global MIUI 9.5.2.0 gives 5 to 8 h SOT.
This is normal use without heavy gaming of course.
Click to expand...
Click to collapse
I tried stable unofficial lineageOs nijel8 and had only 5 sot, also tried pixel experience and was all the same with 5-6 sot then went back to MIUI 9 and I'm back to 11 sot

Zola III said:
Which costume ROM's?
Stable unofficial LineageOS (nijel8) out of the box gives 11~12h of SOT while stable global MIUI 9.5.2.0 gives 5 to 8 h SOT.
This is normal use without heavy gaming of course.
Click to expand...
Click to collapse
What is the best rom in battery you have tried?
Did you try custom kernels?

coco1476 said:
I tried stable unofficial lineageOs nijel8 and had only 5 sot, also tried pixel experience and was all the same with 5-6 sot then went back to MIUI 9 and I'm back to 11 sot
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Click to collapse
Well obviously you did something wrong. With more costume scheduler settings people where getting & up to 17h of SOT (but that whose with rather extreme approach) on unofficial LineageOS 14.1 with light usage all well documented on power/performance thread. Had a guy with similar problem as you around month ago, his problem turned out to be a binary leftovers from dirty flashes of different costume ROM's. After he did it properly thing's changed. The name of user whose arbitrarygrill, read couple of pages back.
https://forum.xda-developers.com/mi-max/development/rom-lineageos-14-1-t3529851/page436
& you can always get more with costume scheduler/hotplug script's. Prime concern whose to match good old MIUI 8.2 - 8.3 SOT out of the box but with much better performance & without MIUI limitations (background apps/services aggressive killing) which we achieved in all arias mostly by working on kernel which Xiaomi never did & it's a source of most firmware problems today. Fun part is that 90% of back supplementary settings & libs are the same today; Xiaomi uses CAF settings & libs across the board (same as our unofficial Lineage is) and unofficial LineageOS uses the vendor libs from MIUI aside from ROM (apps) side only general difference is the kernel for which I vouch that our works much better & is safer.
---------- Post added at 02:41 AM ---------- Previous post was at 02:33 AM ----------
leprince2007 said:
What is the best rom in battery you have tried?
Did you try custom kernels?
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Click to collapse
Kernel is already semi costume, only a couple of things are added that are really beneficial as FIOPS IO scheduler & are set as defaults.

Which Custom rom gives more screen on time ?

I need a suggestion of custom rom which gives me more screen on time. It may be any android version but what i need is. I need more screen on time and as well as dash charging supported. So that i can flash and use it without any low battery.

avrrv3689 said:
I need a suggestion of custom rom which gives me more screen on time. It may be any android version but what i need is. I need more screen on time and as well as dash charging supported. So that i can flash and use it without any low battery.
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Click to collapse
Depends on your customisation, usage and apps. That being said, in my opinion, sky dragon is the best pie rom, you can give it a try.
And go to havoc pie rom thread and search for "jamal", the search results will have a long af post by some user whose name starts with p.
It's a battery saving guide. That will help you get a lot of sot.

I have been using skydragon since 4 days.
sideswipeer said:
Depends on your customisation, usage and apps. That being said, in my opinion, sky dragon is the best pie rom, you can give it a try.
And go to havoc pie rom thread and search for "jamal", the search results will have a long af post by some user whose name starts with p.
It's a battery saving guide. That will help you get a lot of sot.
Click to expand...
Click to collapse
I have been using skydragon pie rom since 4 days. But is there any way to get more screeen on time on any other rom.In skydragon the active drain is more in my opinion. It may be due to the usage of the phone i think. Ok Anyway thanks anything more guides or roms pls reply.

avrrv3689 said:
I have been using skydragon pie rom since 4 days. But is there any way to get more screeen on time on any other rom.In skydragon the active drain is more in my opinion. It may be due to the usage of the phone i think. Ok Anyway thanks anything more guides or roms pls reply.
Click to expand...
Click to collapse
As my view, I just don't advise Havoc...
and I just feel that, maybe All Aosp-based rom is better than Lineage-based.. I tried Nitrogen, Omni, Havoc, AospA, AospExtended, Unicorn, from N to P, I could see Lineages is not well at SOT.
for my personal opinion, I support Aospextended & Nitrogen(bad temper dev XD)
just waiting for stable Aospextended pie. coming soon!

I like the elemental X kernel. You can still use OOS while increasing SOT.

Could you please share your highest sot?
bartovitc said:
I like the elemental X kernel. You can still use OOS while increasing SOT.
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How much screen on time did you get the highest?

avrrv3689 said:
How much screen on time did you get the highest?
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Click to collapse
Think my SOT is increased by 100%. I used to get 2-3 hours, now 4-6 hours. You should accept that the gaming performance is decreased though. But I think it is a vast improvement

Best ROM for this device?

Hi I've been using the default Xiaomi ROM since I bought this device about a year ago. It was working fine with the Android 9 upgrade, but I noticed Android 10 runs noticeably slow. So I want to change the ROM, but I'm unaware if the issues are because of Xiaomi ****ing up, or if Android 10 is not light enough for the device. So I want to know which custom ROM of the ones available in this forum would best suit me if what I'm looking for is reliability and speed. I would like to stay in Android 10 if possible, so if anyone got experiences with custom Android 10 ROMS that could give some insight into their performance with this device I'd appreciate it. Thanks.

HavocOS is pretty nice, also Pixel Experience is pretty nice but when I was testing it, it had pretty bad battery 5-6h SoT. If I were you I would wait for POSP to be updated which should hopefuly happen soon. I personally use HavocOS vanilla and it works great, only issue I have is bluetooth audio that stutters rarely, and battery might not satisfy you. I get about 8h of SoT, while on stock android one I was able to get 12-13h

Divolka said:
HavocOS is pretty nice, also Pixel Experience is pretty nice but when I was testing it, it had pretty bad battery 5-6h SoT. If I were you I would wait for POSP to be updated which should hopefuly happen soon. I personally use HavocOS vanilla and it works great, only issue I have is bluetooth audio that stutters rarely, and battery might not satisfy you. I get about 8h of SoT, while on stock android one I was able to get 12-13h
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I ended up installing Havoc OS, only issue is camera and flashlight are both not working at all. Do you know how to fix this? I used 10.0.9.0 formware as a base

tralph3 said:
I ended up installing Havoc OS, only issue is camera and flashlight are both not working at all. Do you know how to fix this? I used 10.0.9.0 formware as a base
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I don't have any problem with those, but I used 11.0.10.0 as base and everything works as it should. Also it might be cause by newer version, on 3.8 I had no problems and I didn't install 3.9 yet

Divolka said:
I don't have any problem with those, but I used 11.0.10.0 as base and everything works as it should. Also it might be cause by newer version, on 3.8 I had no problems and I didn't install 3.9 yet
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I had flashed a "gcam_fix" zip that the guide I followed told me to install... had to clean flash again but it's working now.

i'm on aosip pizza + butterfly kernel a bit more than 5 months and never had a problem, performance is great since the install, but its android 9

lucasgta95 said:
i'm on aosip pizza + butterfly kernel a bit more than 5 months and never had a problem, performance is great since the install, but its android 9
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Click to collapse
How's the battery life on it? I'm looking for something that runs great and have battery life comparable to that of android one, sadly we all know android one is bugged as hell

Divolka said:
How's the battery life on it? I'm looking for something that runs great and have battery life comparable to that of android one, sadly we all know android one is bugged as hell
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Click to collapse
By default the OS is almost not dozing, so you can see a bit more of battery usage, but you can tweak the kernel to save battery and make it last "forever", see the instructions on butterfly kernel post.

Best ROM for battery - OnePlus 5T

Hi there!
My OnePlus 5T is 3 years old and the battery lasts less and less.
I use the CrDroid rom (Android 11) at the moment, but the battery does not last long.
My question is: Which rom is the best in terms of battery consumption? OxygenOS 9, OxygenOS 10 or some other custom rom like LineageOS, Paranoid Android, Bliss ROM or CarbonROM?
Thanks a lot.

Try pixel experience 11... I'm using it for 3 months and I'm really in love with the rom

Need an answer to this also. I love the OP5T but it's pushing 4-5 years old and I already replaced the battery once and it's barely lasting half a day sometimes. What ROM should I go with, or is 4 hours SOT as much as it gets no matter what?

Airmarcus said:
Need an answer to this also. I love the OP5T but it's pushing 4-5 years old and I already replaced the battery once and it's barely lasting half a day sometimes. What ROM should I go with, or is 4 hours SOT as much as it gets no matter what?
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Click to collapse
I've had DerpFest A12 for a while now and battery is superb for me. Try it out.