System Android Battery use 71 % - Redmi 7A Questions & Answers

Hello,
Just got brand new Xiaomi Redmi 7a (3 days ago) and it's superb except one thing... it's battery sucks :/
I'm using it only for calls and sms. My WIFI is off, auto sync is off, BT is off but stil my SOT is only about 2 hrs :/
I'm using MIUI GLOBAL EU, tried MIUI 10 (10.5.2.0) and 11 (11.0.18)
The most power consuming thing I found is "Android System" it took about 70% of all my battery is it normal ?
I've read that this phone has superior battery :/
I can't place my screen picture I'm to fresh user here :/
plz help
------------------------------- solved ------------------------------------------------
OK I solved it, used "Debloater by The4Anoni"
link: https://forum.xda-developers.com/android/development/miui-xiaomi-global-debloater-the4anoni-t3879739
And now my 7a consumes aboud 15% battery per day
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Related

@ battery complainers

Not able to post a screenshot just yet, but here's the current status of my phone :
Battery on 21% currently
6 days, 4 hours, 0 minutes, 38 seconds on battery
Screen : 33% ( 3 hours, 28 minutes, 50 seconds )
Waiting time 26%
Phone is inactive : 26%
Voice calls : 4% ( 20 minutes, 40 seconds )
PES2011 : 3% ( 31 minutes, 30 seconds )
Android OS : 3%
Click to expand...
Click to collapse
Click to expand...
Click to collapse
So basically, 20 minutes of phonecalls, 30 minutes of gaming, 3 hours of turned on screen, and phone's battery is on 21% after 6 days of not charging.
The funny thing is - the battery section isn't displaying the web browsing/downloading I did on Opera in these 6 days ( had internet connection via wireless on my college ), the SMSing I did, and the 20 minutes I watched latest How I Met Your Mother episode.
( the only program I have installed that directly correlates to battery performance is advanced task killer; every time before I lock my phone after using it, I kill all processes running in background, including ATK itself; and of course, I manually disable bluetooth/wireless/data transfer after I'm done using them )
I haven't rooted my phone yet ( I haven't seen any JITs around so I don't particulary need the root yet ), so I can't snap a screen yet, but I'll try to get a friend to come over and take a picture of phone while on "Battery" section.
Hope this helps any future Arc customer.
This is pretty impressive
Did you use stock camera app?
2 days I used it and during the night baterry dropped from 24% to 2% overnight (at about 5-6h)
Today I charged it, used stock camera app. off/on Arc and then it dropped from 100% tu 94% or 95%, so definitely there is something with camera app.
My phone is also not rooted. I also lauch WiFi connection when I have to. It is off by default.
.184 soft.
screen on for only 3 hours just means you have left it in idle 24/7
I get around 2 days of moderate to heavy usage with around 150 MB 3G data every day
The camera app drain is one thing... I deleted some SE stuff which was still working in the background, so it reduced first draining way...I was happy few days, because battery life was cool, after 14 h of use it has about 40% left. Till today, the drainig came back and I dont know why:
I checked running process and there was something like that com.sonyericsson.usbdevice (dont know exactly but something with usb) I closed it and draining stopped...:-[
I suppose this process is related to charging and plugging to usb as the name suggest. Now I wonder if I can froze or delete this app?
Sent from my Xperia Arc
My battery life has been increased after rooting and removing bloatware apps & moving all my apps to sd.
The only issue is with the camera, after using it my battery goes up to 40-50 mAh, while im normally on 4mAh. So, we all hope for a software update by SE to fix it..
My battery is awesome. With 3G on, BT on, my Arc lasts at least 2 days under moderate use.
However, it seems that someones really have the battery drain issue. I dont understand why and how to solve it. Just like my X10, I got serious battery issue while I read many posts showing how good their battery time were.

Why is my Galaxy S6 edge plus's battery draining so fast?

I recently bought this phone and I have noticed that the battery is draining fast. The battery level dropped by almost 10% in 15-20 mins while I was just doing normal texting. I have used the phone in safe mode as well and in standby mode the phone just lasted for 24 hrs as opposed to 3 days of standby time as claimed by Samsung. So I was just wondering if there is an issue with my battery or with the phone or if this is normal in S6 edge plus?
Stats according to GSAM Battery Monitor,
Used 85% in 20 hr 10 min
phone - 0%
Screen - 2 hr 47 mins - 25%
Phone radio - 20 hr - 6%
Wifi Active - 20 hr - 3%
Held awake - 7 hr - 1%
App usage - 64% (With Android OS - 24% and Kernel - 10%)
I have already tried restarting the device and the problem still exists and always keep location off. And in terms of data I keep my wifi on and the apps that I use r only 3-4 like facebook, whatsapp, instagram. The main source of battery drainage is android system and screen. I was wondering is it possible that there is a problem with my battery/hardware and I should get it replaced? or it just could be a bug in the system that can go away after the marshmallow update? Coz originally I thought that there is a problem with my battery but now it seems like it could be an Android OS bug.
Had similar issue.
I had similar issue,
Looks like Samsung software's were using lot of RAM and battery.
Disabled most of the apps which I don't use and also the Microsoft stuff.
NFC off. Smart stay off,
Now battery backup is good.
I think everyone is having the same issue with the battery. If the marshmallow update doesn't fix all the issues I'm having I'm jumping ship. I'm at 77% with 58 m on screen time
bb4ninja said:
I think everyone is having the same issue with the battery. If the marshmallow update doesn't fix all the issues I'm having I'm jumping ship. I'm at 77% with 58 m on screen time
Click to expand...
Click to collapse
Yes. I guess u r right, a lot people r complaining about the battery issues. For me i just used my phone for 45 mins with the same screen time and got down to 79% from 100%.
But its surprising to see how some people r getting tremendous battery performance with the screen time of almost 6 hrs in one full charge. Which makes me feel is there a problem with my phone hardware or its just an android system bug.
I have the same problems and I did a lot of testing. I am only getting as much as 10h of TOTAL battery time (I am not talking about SOT). Get it out of the charge at 7~8AM and have to charge it 5PM. I did a post about it here.

HTC DESIRE 816 A_DWG model battery issues.

My device is not rooted and on stock rom, I upgraded it to Marshmallow. Offical version, I have done a hard reset with wiping cache so that it works best. Which it was but suddenly now it drains a lot of battery. It was on 76 % and in 4 hours (when my screen was off but only 3G enabled) it drained to 20 % when I checked in the screen off section it shows whatsapp used 82% battery while the screen was off.
I want to know if someone else is also facing this issue, Also I have installed greenify after that to notice it.
Question to ask here is why did doze not work when my device was off and also it shows that whatsapp is on optimise ?
Even when it was on Lollipop just whatsapp never drained so much battery, even after upgrading it to marshmallow I did not notice such a huge drain for a few days ( probably I was not noticing it ) so suddenly what went wrong ?
Any help is welcome.
Thanks Again.
screenshots for whatsapp battery stats?
As I have tried many things now and even charged it back do not have that. Sorry but it was showing as whatsapp usage of 81% when screen was off.

P9 Lite battery draining fast

Hello friends,
The story is this: I got a P9 Lite a couple of months ago. I just used it one day and left it to discharge. Then 2 months later (or more) I decided to use the device. Tried to power it off but it didnt even vibrate. No power. So I plugged it in, and only after around 15 minutes it showed the charging screen and the red light was blinking. I left it to charge 100%.
Right after, I upgraded to Nougat. Originally my phone was MM V31C185B360.
What I have noticed is that the phone loses 15 to 20 % over night and no wifi nor data are activated. I tried other roms like elite rom (v4 & v5) but same problem.
WHat do you think ? is it a battery problem or just android problem ? and is it possible to dowgrade to MM ? I heard that the B360 is a beta !!!
Thaaannnkkksss in advance
Problem solved for me. When I set the network to "GSM only", the battery didnt lose even 1% at night (about 7 hours sleep). But when I set it to wcdm/gsm or lte/wcdma/gsm, the battery drains fast, i lose about 15% during 7 hours sleep. Now I have to set the network to GSM only everytime i do not use mobile data. Quite frustrating, but oh well it works.
Hope this helps

samsung grand prime G530 0% battery

my mobile is 6 years old (2014) and has been working well, the battery lasted around 2 days idle and 1 day using considerable ammount of whatsapp and camera until yesterday 2020-05-02
i went to sleep and now 8 hours later the phone was turned off, i tried turning on when it booted to the system it was on 0% battery and turned off right after
i put it to charge (still the original 1ma charger and usb cable), and it charged at least faster then usual (from 0 to 100 in more or less 1 hour , should take at least 2:30 hours)
using androind stock rom 4.4.4
is there anything i can do to fix this, or is it a sign the phone is dying?
thanks
agonoize said:
my mobile is 6 years old (2014) and has been working well, the battery lasted around 2 days idle and 1 day using considerable ammount of whatsapp and camera until yesterday 2020-05-02
i went to sleep and now 8 hours later the phone was turned off, i tried turning on when it booted to the system it was on 0% battery and turned off right after
i put it to charge (still the original 1ma charger and usb cable), and it charged at least faster then usual (from 0 to 100 in more or less 1 hour , should take at least 2:30 hours)
using androind stock rom 4.4.4
is there anything i can do to fix this, or is it a sign the phone is dying?
thanks
Click to expand...
Click to collapse
have you tried to "calibrate it"? maybe it will help you with this problem. I do not say that it will be 100% good, but it should improve this bad behavior.

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