Battery Draining and Charging - Redmi Note 2 Q&A, Help & Troubleshooting

Hey guys im using this AOSP rom http://forum.xda-developers.com/redmi-note-2/orig-development/rom-saosp-project-t3228656 .
Since a few days my phone shows 75 % battery usage for "phone idle" and its charging extremely slow. when i use it while charging it even loses battery while still on ac .
Does deep sleep not work anymore? i uninstalled some apps i installed because i thought they might cause this but nothing changed. im trying to calibrate the battery now
but charging to 100 % takes like 12 hours even if i dont use my phone. Does anyone know what suddenly happened?

I have also noticed a constant battery drain since I got my phone a few days ago (I'm on the other AOSP rom on this forum, the one by susch19).
It appears to be common knowledge that MediaTek chips have wifi problems, preventing the wifi module to go to sleep when it should.
If that is your problem, you can see several long-running kernel wakelocks using Wakelock Detector, for example md1_cldma_peer and EINT - mine had been active for about 50% of the time during two days of stats collection.
I have just finished charging my phone to 100% and disabled wifi and will check the battery drain overnight and throughout the next day.

I am using that rom and no problem at all.
Use wakelock detector and greenify/uninstall all offending apps...

i think your are right about the kernel/wifi. here's a screen of wakelock detector.
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No idea what those apps are but u should definitely greenify them or do something.
There is an app that switch off net and gps when screen is off with some conditions... don't remember the name.

this is the kernel how am i supposed to greenify it ? there are no apps causing this. i greenified all apps even uninstalled the most and still this battery drain. its probably like Xabin said and has sth to do with the wifi/kernel and the MediaTek chip having wifi problems, preventing the wifi module to go to sleep when it should.

Yep that's why I suggested a smart manager to switch off completely the radio when not in use. Google is your friend.
it is able to reenable radio time to time to catch up with emails or messages...

anyone suffering massive battery drain when using lightly? 15mins of simple browsing and youtube and it drains from 100 to 85%. Im on miui7 lhmmici 7.0.5.0

I was disappointed with the battery drain in miui, but it seems much improved since installing the AOSP Hybrid rom. Also doesn't seem to drain so much with screen on, though I've not quantified it.
Had same problems with wakelocks, but Greenify and Amplify module in Xposed have made a noticeable improvement. Occasionally get a 100% wakelock with aee_core_forwarder. Still not sure what causes it; haven't found a fix other than a reboot.
But overall, I'm satisfied with the battery life now.

Related

[Q] Am I suffering from the battery drainage issue?

Hey, got my phone yesterday and it's been great.
Updated to KE7 via Kies and I haven't done root yet.
Battery is good. 3G or wifi always on, but when I see the battery stats, they show high percentage of Android OS (16%) and Android System (19%).
Also, 9% of Wi-fi sharing, but I haven't used it yet.
Is there a way to reduce this numbers?
Is it ok if I kill wi-fi sharing here?
Thanks
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Just use the phone and dont be another paranoid about usage stats .
You can kill WiFi sharing its sharing your WiFi with others for free .
The page you are looking at says of the xxx amount of power used
the power has been used mostly by the display etc etc .
It is not a measure of the battery power just how its total use has been proportioned out .
No battery stats 100% charged switch on Display shows 74% .
Thats 74% of the 1/4 % of battery used not 74% of the battery .
jje
I don't have wifi sharing turned on it with KE7 it keeps using up the most resources of anything. I ended up having to freeze it.
JJEgan said:
Just use the phone and dont be another paranoid about usage stats .
You can kill WiFi sharing its sharing your WiFi with others for free .
The page you are looking at says of the xxx amount of power used
the power has been used mostly by the display etc etc .
It is not a measure of the battery power just how its total use has been proportioned out .
No battery stats 100% charged switch on Display shows 74% .
Thats 74% of the 1/4 % of battery used not 74% of the battery .
jje
Click to expand...
Click to collapse
thanks man.
I'm not paranoid yet.
I'm just concerned if my phone may have any issues.
Actually I don't notice any of the problems people report here.
GPS is locking fine, battery is good. Wi-fi keeps on most of times, it's not getting too hot, etc.
I've just done my first full charge since yesterday.
I'll see how it will perform.
Another question. I can't turn data off. Downloaded APNdroid but it doesn't turn it off.
Is there a way I can put a toggle in the notification bar with wi-fi, GPS, etc?

[Q] Please help with my battery issue

I really need help understanding what is draining my battery, sometimes even while it is charging.
I'm rooted, and on Simply Honey 5.1
I've set up my Facebook to sync once a day, Titanium Backup to backup 2ce a week, and usually, while I am sleeping, all my wifi/bt/gps etc are off.
Recently, i've noticed that while my battery is charging at night, i wake up with a low charge (50 - 70% range), and that basically my battery has been draining at the same time.
I installed Watchdog lite, and have had System Panel monitoring my system.
Here are some screen shots.
System Panel - Plot - 8 hours - battery drain even while charging. CPU is being used a lot, even though the device has not been touched.
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System Panel - Top Apps - 8 hours. System, system process, calendar storage seem to be using a lot of CPU
Watchdog Lite - Android Process Home Screen - what is that? and Facebook doing it's daily sync, I assume.
Can anyone explain to me what System, and System processes do? Also, what is Android Core (Home Screen), and why would that run, if the device is asleep?
Any answers would be much appreciated!
Thank you!
I ran into the same problem, what I did I went ahead and got juice defender from market. It allowed me to turn off all radios at night. This allowed the phone to remain charged the whole night. Also while charging I activate the clock app and dimmed the screen at night while charging this also helped the phone to charge 100%.
Sent from my T959 using xda premium
I have juice defender already, but i don't turn off all my radios at night, because i do want phone calls to come though if they have to. wifi/bluetooth and gps are all turned off though.
I'm really wondering what Android Core (Home Screen) and System/System Processes are, and why they are eating so much battery.
Thanks for your help, fear676
have you tried clearing your cache and fixing permissions? since juice defender doesnt work, you can try to uninstall facebook and see if that changes anything. i know that i had a problem with both facebooks on my vibrant and i set the integrated account to sync once a day and the app to never sync.
i also had a problem on my SGS4G where my android core killed my battery in 2 hours randomly. i ended up having to reformat everything on the phone and reflashing the rom.

battery drain issue

Sometimes, in idle mode mode, my phone drained battery very quickly (see picture). The best way to meet this case is restart phone, everything is back to normal. And battery life very good on idle mode, about 3-4 hours for 1%
I have tried many ways but can not find the cause. Please help me.
I use stock room .62
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You are not stock.... you have something misbehaving. Suggest you think carefully about the tweaks, mods, widgets and apps you deploy. And your settings, like WiFi screen off and so on. This is stock .62...
MaxMedia said:
Sometimes, in idle mode mode, my phone drained battery very quickly (see picture). The best way to meet this case is restart phone, everything is back to normal. And battery life very good on idle mode, about 3-4 hours for 1%
I have tried many ways but can not find the cause. Please help me.
I use stock room .62
Click to expand...
Click to collapse
I'm not sure you're interpreting the graph correctly. The drop from 70% - 50% seems to happen much faster than the area you have circled in the screenshot.
I use the "stock room" and remove bloatware. Root by "root xperia", unlockbootloader.
battery 70% - 50% drop faster because i use wifi for web browser.
list bloatware.
http://forum.xda-developers.com/showthread.php?t=1366314&highlight=bloatware
MaxMedia said:
I use the "stock room" and remove bloatware. Root by "root xperia", unlockbootloader.
battery 70% - 50% drop faster because i use wifi for web browser.
list bloatware.
http://forum.xda-developers.com/showthread.php?t=1366314&highlight=bloatware
Click to expand...
Click to collapse
I see. Have you tried Juice Defender? The paid version is excellent!
You may therefore have a crappy app running after browsing... which I haven't as you can see from my curve. What app are you using for browsing?
Avoid "fix-it" widgets like you have and any task killers.... let Android do its thing. It works.
I use default web browser.
Hmmm... so do I. I've just run the browser for a few minutes and closed it. I will check the battery status shortly and report.
How did you update to .62? I did it like this...
http://forum.xda-developers.com/showpost.php?p=20842024&postcount=45
... to avoid "issues" due to flashing over previous builds.
No problem several hours after using Browser...
Also check that the phone is deep sleeping.... other image attached
I have this problem from fw .283, .42 and now .62. I have tried "Force Stop" a few applications running, but have not found cause.
And I will try by installing the new fw .62 and do not delete anything including bloatware.
I have the same problem for fw 0.42.
I had problem with 0battery lvl so I follwed this tut to alteast get the phone working:
http://forum.xda-developers.com/showthread.php?t=1332399
Now I can use the phone without the charger but after 2-3hours the phones dies and needs recharging. Can't find the problem. :/
Today, I switch from "2G" to "3G" to browse the web. And after return to idle mode, battery drained very fast.
When switch to flight mode, all back to normal (2mA on idle mode).
I think a problem in 3g/2g modes.
Story continues....62 stock (rooted)
Linear discharge
PS: Just noticed that you have a history of "Battery Drain" going back to October... with all sorts of weird builds. Perhaps you should avoid installing loads of half-baked apps and widgets. And builds.

Incredibly annoying battery drain/WiFi connected but no internet issue

My phone has a very strange issue which I'm unable to fix. It happens totally randomly. Sometimes it occurs multiple times a day, then it won't happen for weeks.
It goes like this: Sometimes, even though I'm connected to my WiFi network, apps won't connect to the internet. However, the apps won't give me an error message telling me that I'm diconnected. As the WiFi symbol is active, the phone probably thinks it's online while it's actually not. All apps are affected.
At the same time, the battery drains rapidly (about 10% per hour in standby) and the phone gets slightly warmer. Maybe it is trying to connect all its services to the internet, fails constantly and therefore gets warmer?
This battery drain has also occured in flight mode, so it is not necessarily a WiFi problem. It has happened in various WiFi networks and my other devices don't get disconnected, so the reason must be within the phone.
I've done multiple factory resets but it didn't help. I'm tired of doing factory resets. The only way to temporarily fix it is turning the WiFi on and off again or rebooting the phone. I'm on Oreo btw.
I should add that this only begins when the phone is in standby. When the screen is on, i.e. I'm actively using the phone, I do of course notice the issue but it starts before waking up the phone from standby. That makes me believe it has something to do with standby / Android doze.
Someone on Reddit suggested that it might be due to Android Doze. I followed the advice there, went to Settings > General > Battery > Power saving exclusions, switched on the WiFi and restarted the phone. That was two days ago and there's still no improvement.
Apart from that, battery life is bad overall, even when the WiFi issue doesn't occur. Just see this screenshot from today below. It's almost as if the phone has a bad day sometimes and drains the battery for no apparent reason. Then, on other days, it's better but still nowhere where it could be according to other V30 owners' screenshots.
What can I do?
It is really really annoying!
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Not sure if this would help or not but try (from the playstore) Greenify. It works best if device is rooted but also works (give permissions through adb) without root.
Would it fix the problem? Oh no, doubt that. It *might* point to what's going on though?

Is this normal standby drain for my S10 lite?

Spoiler
https://imgur.com/a/ZfRFLar
It's around 1.7%/h for my Snapdragon S10 lite. Is this normal?
It's normal if some media is running in background, for example. My phone has an average of 0,8%/hour according to AccuBattery.
turn off Bixby and google
turn off adaptive brightness
Seems a little high but I'm on a 10+ with 4300ma battery. Adjust accordingly to your battery capacity.
Nominal AOD battery usage should be about 1% an hour. You can enable tap on for AOD to help determine the source of the drain; usage should be very low like that.
Goggle Backup Transport and Backup Transport Framework were causing excessive battery drain for me both with SOT and off.
Update: left my phone at 99% and woke up to 80%
Here is the usage: GSAM
Look at the 5h of Significant Motion Detector usage of Google Play Services and how the Netflix app is using so much battery (I never opened that app since buying the phone...)
I then proceeded to install Better battery stats and found after some hours of usage a huge Spotify battery drain related to the Linear acceleration sensor.
I am getting kind of tired. Since I started using android (Nokia X2, Lenovo K6 power, Redmi note 7 then S10 lite), I have had some kind of a battery drain on all of those devices. Getting tired of troubleshooting problems rather than use the damn phone.
Ditch spotify or lock it down.
You probably have more crapware...
You need to learn how to optimize these phones.
Play with it.
Hey guys its me again.
I disabled Spotify and still have 20% drain overnight...
What can I do please?
it's great
furosemide said:
Hey guys its me again.
I disabled Spotify and still have 20% drain overnight...
What can I do please?
Click to expand...
Click to collapse
Install Galaxy Labs>Battery Tracker from the Galaxy store and see what apks it shows is running at night.
Wipe cache in recovery. View what app use your battery. If this don't help make HR (hard reset and wipe all data , ) if this don't help use guarantee ...
I manually updated to One UI 3.0.
No more battery drain as far as I can tell. I will update with overnight drain.
furosemide said:
I manually updated to One UI 3.0.
No more battery drain as far as I can tell. I will update with overnight drain.
Click to expand...
Click to collapse
Give a few days especially if power management is enabled.
Battery drain has been corrected with OneUI 3.0
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