Battery suddenly lost it's capacity?? - Samsung Galaxy A7 (2018) Questions & Answers

HI, I have a weird problem. So I have my a7 for about a week and a half now and you guys might know that if you open the battery monitoring thingy in the settings it should say that it's going to work for like 30 hours right? Well mine used to say so up untill like 2 days ago when it suddenly changed to ~19 hours when at 100% and the % go down real fast (for example, I used to go down ~20% with 8-15 school usage and now I go down 20% in 9-13 school usade). I am still on android 8.0 with the latest security patch. What in the actual frick is going on.
Here's an example screenshot of how much battery% go down in just 36minutes of mixed lte+ and wifi usage
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Related

Nexus 5 and Bluetooth

It seems like all of a sudden my Nexus 5 has decided that whenever I have Bluetooth turned on that it is holding the device awake. Even when no devices are connected (connects to my car and a BT speaker).
I'm sure it didn’t used to do this.
I did a factory reset about 4 months ago.
Because of the hold awake battery life is down compared to normal.
Below are some screen shots for reference :
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Then from GSAM:
You can see that BT sharing takes up a non-trivial amount of power. I'd like to get this thing back to normal.
Fully patched firmware, including today's Security patch.
I'm currently working around this by turning BT on only when I want to use it. That is a pain.
I'm seeing the same thing today... I could see my battery drop 10% in under an hour, with BT at the top of the battery list. Says my 60% remaining battery will last 3 hours
Any update on this? Having the same issue...

Galaxy Ace 3 S7275R battery drain

Hi! This is my first post on this forum, so first of all I want to excuse myself for my English.
This is my mothers phone. She had it since 2013, she likes it and never had experienced any problems up to few week ago. It is stock Android 4.2 no root. All modules are off, no bletooth, nfc, gps or wifi, and the only social apps installed, beside the stock ones, are WhatsApp, Viber and Skype.
A performed a calibration of the battery using the only one method that I know for no rotted phones - wait until the battery drops to 5%, and after that turn off the phone, taking out the battery for half an hour, and charge it for 5 hours without power it on.
This does not help at all, the drain persist. Those are the screenshots taken this morning:
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vivo nex idle drain!!! (15-25% one night?!)

hey guys, my vivo nex recently have a problem when my phone idle at night, i turned on airplane mode and low power mode both time.
both time it just terribly drain at least 15% over the night couple times, i need to reboot my phone so it will stop draining for the next night
anyone what's wrong with this issue???
the Android system always drain battery the most
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I had the same issue....try to reset app permission for the all the apps and see if it resolves.
In night actually i loose only 4%... same with all phone.... 2 % or 4 % maximum in flight mode !
Doesn't look like a widespread issue. Must be an app or maybe a syncing service. Check all apps. This is actually surprising because vivos OS likes to kill all apps

[Resolved] 10192 process battery usage - Moto Z2 Play

Hi all!
I'm experiencing issues with the 10192 process on a global version Motorola Moto Z2 Play.
This morning I noticed that the battery was draining quicker than usual (typically when I get my phone off the charger it drops by 1% in the first 10-15 minutes but this time it was down with about 9%).
When I opened battery stats in Settings menu I saw that "app" 10192 with black Android icon was using most of the battery.
Does someone know what it is and how to fix it?
Here's a screenshot of the battery usage screen:
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Thanks in advance!
P.S. I fully charged the phone last nght, today the process has gone and the battery drain is quite normal. Seems like a leftover from an uninstalled app.

Battery last charge incorrect

On latest Android 11 version and have noticed battery last charge is not being reset when i charge, e.g. mine shows last charge as 11 days ago even though detailed charge shows correctly as 1 day ago. Anyone else having this problem on latest Android 11 EU version ? before i report it.
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Replying to my own question. It looks like 'last full charge' means exactly what it says, ie it has to charge to 100percent before the timer resets. If you never fully charge to 100percent the timer never resets. So if we do what we're told and charge only to, say 93percent, to preserve the battery, then this timer can, in theory, continue for a long time.

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