Hi guys! i have a Lenovo Vibe Shot Z90A40 bought a week or so ago, which i updated to Marshmallow via OTA update but that update didn't satisfy me and have some bugs including a major issue of Battery drain even on Standby/Idle.
All cpu cores are running at 990(1st 4 cores)/800(2nd 4 cores) frequency all the time even when on Phone is idle.
i had tried Reboot, Cache Clear, Turning off wifi scanning etc, even Factory Reset, but the problem still persisted.
So, ultimatly i downgraded to the Stock firmware Z90a40_S240_160119_ROW Lollipop 5.1
but now the problem still exists. Battery usage shows the CPU as the biggest battery drain factor.
I have added a screenshot of battery usage from CPU-Z app. please check it
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Now what should i do now. i am tired of this abnormal behaviour of battery.
P.S. i have another XIAOMI NOTE PRO which has the same octacore processor. CPU-Z shows its 4 cores are running at 200 to 250 frequency and other 4 cores are stoped when the phone is Idle/Standby
P.S.S. if any other user have this phone with stock firmware 5.1 please share your cpu core stats from CPU-Z or some other app like that.
To be honest, I had a such problem, after upgrading till Android 6.0 (MM), after that I started to search the solution in the Internet. Didn't find. But, about month ago I installed root on my phone and installed an app "Device control" via Xposed where u can change min and max freq of the CPU. There u can also change the type of governor(idk how it's called, Im russian, sorryXD) like interactive\ondemand\powersave and etc.
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Hey y'all, I've been seeing a strange thing on my SGS2 recently with Words With Friends: It totally kills the battery.
I just recently wiped my phone and put in VillainRom 1.1 with CF-Root kernel and charged up my phone. I then randomly checked words with friends and played a few words.
Results:
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In 4 minutes and a half, it pulled 43% total battery use from a total uptime of just under 40 minutes.
Anyone else seen this happening with WwF ?
I've noticed Words with Friends taking up a lot of battery whenever I use it, so your not alone on this.
Yes i've noticed it too. it uses 100% cpu in one of the 2 cores while the game is open.
Sent from my GT-I9100 using XDA Premium App
You're definitely not alone and I tried the application on both of my phones (Captivate and S II) and all I can tell you is that words with friends drains the battery like mad.
Furthermore, the app hasn't been optimized for dual core processor handsets yet (as it is the case with most apps). When developers start optimizing their apps for dual core processors we should definitely see an increase in battery life as optimized apps can utilize the two cores more efficiently.
Any fix for this yet? It's killing both mine and my wife's SgSII's, but my desire Z is fine.
Biggest priority for the wife is WwF so she's not happy about the battery usage! Lol
lol it's funny i played this with the gf yesterday and it killed my battery as well. i knew immediately it was the culprit
I have unrooted bootloader locked Oneplus 3, updated to oos 4.0.1 . I have used for 2 full days and 3 charge cycles. have also done multiple cache clearing. have done a full wipe of data from default recovery too.
I had the same problem on the oos 4.0.0 update and had also done a full zip sideload for that version , but to no avail.
please have a look at the screen shots and judge for yourself. also a video of the gaming lag is linked below.(game - modern strike online).
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https://youtu.be/n3yyGCscvXo
I am not facing these issues but OP3 has a terrible WiFi that's for sure.
Same here, but I was able to solve. Try disable aggressive doze (I already use greenify) and startup app control in "apps". My battery is normal now, I'm on 4.0.1.
andgtr08 said:
Same here, but I was able to solve. Try disable aggressive doze (I already use greenify) and startup app control in "apps". My battery is normal now, I'm on 4.0.1.
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Okay. I'll disable agressive doze and app hibernation and try using greenify. Lets see. Thank u.
@tomriddle25 that's not terrible, show me as screenie when your battery hits 15% or below. My experience is that 100-85 drops really quickly and same for 50-0%
Been perfect battery life for me also, using aggressive doze and app hibernation.
An app must be causing your issue. I disabled and uninstalled greenify and my device had been flawless.
Sent from my ONEPLUS A3003 using Tapatalk
Howdy...
I've been wondering how the Samsung S9 with Snapdragon behaves when throttling.
it's very easy to test... just run this app called CPU throttling Test and take a look at Temperature, Clock and Performance.
This is a Screenshot from my Sony Xperia XZ2:
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You can clearly see the Temperature reaching a critical point and the Performance dropping, while Frequency stays at the same 2.8ghz.
Here we have a OP 6 which does show the same behaviour... no Frequency Limit!
Looking at the SD835 Essential Phone:
or the even older SD820 HTC 10:
We do see a CPU Frequency Limit on both devices.
So... is this Max Frequency yet still reduced Performance a Snapdragon 845 thingy?
Simply do the Test for 2-5 minutes (until throttling becomes obvious) and we will know.
P.S going to Options and chaging Threads from 20 to 7 might totally change the behaviour of this test!
P.P.S Go into Options and correctly set Thermal Zones! If you don't know which nr is what... Terminal / ADB shell "for file in sys/class/thermal/thermal_zone*/type; do echo "$file"; cat "$file"; done"
Greetings,
Haldi
Somebody made a video with 3 SD 845 phones, but he got higher performance, did you change number of threads from default 20 and where phones cold when you begin testing?
I can't post a link, just search "OnePlus 6 vs Sony XZ2 vs Xiaomi Black Shark" on youtube.
So I've had this problem for a while now where the phone would be awake for longer than my screen has been on. I would usually get around 10-12% of standby drain overnight.
But since this morning the problem has gotten way worse; the phone has been awake for pretty much every second with 20% overnight drain (I've attached a screenshot below).
How should I go about troubleshooting the issue?
I'm using the Indian variant with 6 gb and I'm currently on MIUI 10.0.2.
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Battery Drain Because of Continue High Cpu Frequency Bug
Some Persons Solve this Bug in Miui 10.0.3.
Not solved!
I have also Redmi Note 5 global version with latest MIUI 10.2.1.0 stable and no root just unlocked bootloader and face the same problem!
A big thumb down to Xiaomi.
Maybe chinese try to spy people? Bugs like this should be addressed asap but it seems they are still in place, version after version.
With this big battery we should not face issues of this kind and have battery life over 2 days if this bugs would be resolved!
There a question in my mind: why the hell all manufacturers go for encapsulated phones where you cannot take the battery out??? Devices need current nonstop, even when they're off, for what??? Conspiracy?
Still, what we should do in order to repair our problems, without rooting if it is possible! I know rooting solves a lot of bugs but I'd like to keep it simple.
Something is running in background, try to figured out which app is awake by looking into running services under developer option and then close running applications
S.off your phone for 5 mins and then reboot your device
Hello, I'm a newbie and have been using a Redmi Note 8 Pro as my main phone. I have always experienced battery drain because of "Android System" and after reading on this forum thread I decided to use the command "adb shell top" to look at what process was actually using the CPU a lot and hogging the battery. I found out that when the phone is on with screen on (not stand-by) there is a process "[email protected]" which uses around 20-25% of the CPU. When the device is off instead there are only the various app processes which don't consume much CPU (even tho I see battery drain when I also don't use the phone).
Screenshot of what adb says when device is with screen on:
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Is there a way to fix the mediatek process from draining battery? Thanks in advance, I can provide more information if you want
{Mod edit: Quoted post has been deleted}
i don't have that app tho
have you tried a factory reset ? is it updated tp the latest version ? which region version are you using ?
Fytdyh said:
have you tried a factory reset ? is it updated tp the latest version ? which region version are you using ?
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i didn't do a factory reset, it is updated to the latest version and the region of the phone itself is EU while in settings it's set to italy as it's where I live
is it a low percentage. either way, my guess is that process is vital for your system and for your phone. sure, you could try to find a way to lower it, but it could result in system instability.
Fytdyh said:
is it a low percentage. either way, my guess is that process is vital for your system and for your phone. sure, you could try to find a way to lower it, but it could result in system instability.
Click to expand...
Click to collapse
ok thanks for the help