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Original topic:

Battery Draining after U.i 3.0

(Topic created on: 20/12/20 20:04)
Geordieboy
Smooth Operator
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Galaxy S20 Series
Battery draining fast since Ui 3.0 update. 
Drained quickly on Ui 2.5 as well. 
Drains aprox 1% every 90 seconds when in use. 
97% apps in deep sleep.
Have tried Safe Mode and still drains. 
Have done cache partition wipe and not helped. 
Judging by amount of complaints here in Members forums, it is an issue that is affecting numerous people. 

Tried live chat and they don't help. All they say is Factory Reset!! 

Anyone else got any ideas?
12 REPLIES 12
Solly321
Overseer
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Galaxy S20 Series
60hz mode.
All apps into deep sleep.
No on screen widgets except clock.
use black wallpaper.
Google keyboard with black custom theme.
Disable all features including AOD.
Turn off auto sync.
Use WiFi instead of data, get a signal booster provided by your network.
low signal causes significant battery drain.
use medium power saving mode.
use dark mode.
use 3G/2G auto connect instead of 4G and especially not 5G.

turn "off find my mobile" and location.

go through all your settings

biggest battery drain causes.

1. poor reception
2. screen brightness
3. data
4. music through phone speaker's
5. light theme.
6. third party background running apps.

ect. ect.
Geordieboy
Smooth Operator
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Galaxy S20 Series
Thanks. Appreciate your ideas. I've already done a few.

60hz mode. - already at 60Hz & HD
All apps into deep sleep. - All apps apart from one for my smart watch

No on screen widgets except clock - Only widget is Device Care

use black wallpaper

Google keyboard with black custom theme - Dark Already on

Disable all features including AOD.

Turn off auto sync. - Already off

Use WiFi instead of data, get a signal booster provided by your network - I don't have WiFi I have unlimited data on phone

low signal causes significant battery drain - This I know but can't really control. I've told phone company about this

use medium power saving mode. Already on

use dark mode. Already on

use 3G/2G auto connect instead of 4G and especially not 5G. - will try

turn "off find my mobile" and location. Already turned off

go through all your settings - What settings do you mean?

biggest battery drain causes.

1. poor reception
2. screen brightness - I have at 18%
3. data - turned off unless I'm using it
4. music through phone speaker's - hardly play music on phone
5. light theme. - dark mode on since new in July
6. third party background running apps. - 97% apps already in deep sleep.

Thanks for advice.
Solly321
Overseer
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Galaxy S20 Series
alright well ***** I'm in the same boat man... I get around 6h SOT with average use. Exynos S20 FE variant.

sucks to be us
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Geordieboy
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Galaxy S20 Series
Thanks. I drop about 1% every 90 seconds when not charging. I average about the same SOT as you. I've got S20 5G with Exynos.

I just don't understand how someone from Samsung isn't reading these forum comments and doing something. The update is clearly flawed.
Solly321
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Galaxy S20 Series
have you factory reseted yet? also wait a few days for the phone to stabilise after the update
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Geordieboy
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Galaxy S20 Series
I haven't factory reset yet, as I've over 82Gb on my phone. I'll need to back that up first.

I updated on 10th December. So nearly 2 weeks ago.
(battery gone down 1% in writing this reply)
Solly321
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Galaxy S20 Series
ah okay, I factory reset after each android iteration.

how do you backup your apps? can you use a portal SSD/hard drive? I can't find the option on my phone
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Geordieboy
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Galaxy S20 Series
That's what I mean. I've had the phone since July. I've got lots of data that can't be backed up in the Cloud, like apps, music, videos etc.

I could back up to a Hard Drive but we'll see. Only other thing I could do is use Samsung Switch.

If I factory reset, it'll be only time I do. I can't see Android 12 coming out soon!!
Solly321
Overseer
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Galaxy S20 Series
Alright, I'll be upgrading to the s21 FE if it comes out on the 30th of January or whenever it's released anyways, this Exynos processor isn't worth it.

btw this phone supports super fast charging, you can get a 25wat super fast charger off Amazon like I did