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Severe battery drain on s10e. Any suggestions or solutions?

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By avEmonsta, Junior Member on 20th March 2019, 02:30 AM
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I've been using the phone for two weeks now and the battery drain has gotten pretty horrible the past week. I charge the phone up to 100% and leave it off the charger as I go to sleep from 1am - 9am.

I wake up and my phone has 70% battery left with wifi/data off. [Battery drain](https://i.imgur.com/VkAcAqd.jpg) [Google battery drain](https://i.imgur.com/qjxMkN2.jpg)

Does anyone know what I can do? Is there an app with which I can check on what's draining my battery?
 
 
20th March 2019, 06:34 AM |#2  
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Check what apps are draining the battery
Quote:
Originally Posted by avEmonsta

I've been using the phone for two weeks now and the battery drain has gotten pretty horrible the past week. I charge the phone up to 100% and leave it off the charger as I go to sleep from 1am - 9am.

I wake up and my phone has 70% battery left with wifi/data off. [Battery drain](https://i.imgur.com/VkAcAqd.jpg) [Google battery drain](https://i.imgur.com/qjxMkN2.jpg)

Does anyone know what I can do? Is there an app with which I can check on what's draining my battery?

You can check which apps is draining the battery.
Just go Setting, then search for "Device Care", then hit "Battery" -> Battery Usage
20th March 2019, 09:45 AM |#3  
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All S10 phones have a bug that is causing them to not deep sleep when screen is off, causing poor standby performance. This is caused everytime you receive a VoiP call, so after you receive one, just restart the phone. Being caused a proximity sensor bug.
20th March 2019, 04:54 PM |#4  
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Try off Biscuitby feature
21st March 2019, 09:22 AM |#5  
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Quote:
Originally Posted by avEmonsta

I've been using the phone for two weeks now and the battery drain has gotten pretty horrible the past week. I charge the phone up to 100% and leave it off the charger as I go to sleep from 1am - 9am.

I wake up and my phone has 70% battery left with wifi/data off. [Battery drain](https://i.imgur.com/VkAcAqd.jpg) [Google battery drain](https://i.imgur.com/qjxMkN2.jpg)

Does anyone know what I can do? Is there an app with which I can check on what's draining my battery?

Try to wipe disable Google app and check battery consumption. If problem persists, try to wipe cache from recovery and if necessary do a factory reset, 30% battery drain in a night without network connections is not normal. If all attempts fail better go to Samsung assistance to change the battery
21st March 2019, 10:22 AM |#6  
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7hrs: 10% when sleep, wifi on. Not good but I think it is not too abnormal. I think, samsung still have a lot of bloatware!
But on screen I thnik is OK: 5-6h mixing, 3000mA battery on a strong SOC, it's normal. My back up Huawei GR5 2017, 3400mA, it is the same time!
22nd March 2019, 11:53 AM |#7  
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This solution was posted on the S10 forum and certainly helped me.

There's a bug that stops the phone from going into a deep sleep mode post making a call (audio/video) on apps like WhatsApp, Skype et al. The solution for the time being is to reboot the phone once before going to bed. I tried a lot of other things but had a ~2% hourly standby drain which reduced to <5% overnight after figuring out this solution. I have both WiFi and Bluetooth on at night.

You may try to play around with the battery saving tweaks in ONE UI but nothing worked as well as this has. Hopefully there'll be a more practical fix to this soon.

Cheers!
23rd March 2019, 06:36 PM |#8  
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Being as this affects voip calls, does this mean wifi calling is affected too? I mean, that's technically voice over IP.
25th March 2019, 10:13 AM |#9  
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I tried to debug battery drain using Battery Historian. I noticed that the phone does go to Doze mode completely, but for some reason, CPU stays awake. I'm still new to the tool, will try to find out more about why CPU is kept awake all the time.
I get battery drain regardless I make any VoIP call.

Another issue I noticed is PUBG lags horribly on the phone. I tried different combinations of graphics settings, the game was still lagging.
25th March 2019, 10:00 PM |#10  
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Just tried pubg...hdr +ultra runs ok for me. No lags, maybe sometime stutters for a sec.
26th March 2019, 05:51 AM |#11  
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Quote:
Originally Posted by maderos

Just tried pubg...hdr +ultra runs ok for me. No lags, maybe sometime stutters for a sec.

For the first launch, the game runs very smoothly, lag starts after that. The more I play, the more lag I get.
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