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Original topic:

Battery drain

(Topic created on: 15/05/21 13:17)
NBrearley
First Poster
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Galaxy S9 Series

I thought I would let others be aware that I had a problem on my otherwise totally reliable S9 after the recent software update (installed May 3rd 2021). This is labelled as a March 23rd update in the software information.

Immediately after the update, the battery life went from 5 days to 5 hours!! In fact the phone casing became warm to touch because the processor was working so hard. After a lot of messing about with settings and clearing Apps caches (esp. Google play store) I finally fixed it by clearing the cache partition on the boot-up menu (which is not easy if you are not especially tech savvy).

Now 3 days later, batter life and consumption back to old levels. So just be aware if you experience the same problem as me. Neil

10 REPLIES 10
Babishko
Helping Hand
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Galaxy S9 Series
Thanks for the warning Neil. I will keep this in my mind if my ever faithful Note 9 second phone receives any update shortly. 👍👍
0 Likes
Peng82
Apprentice
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Galaxy S9 Series
Could you provide a walk through for those who are not tech savvy..... ta
Fivestarfranky
First Poster
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Galaxy S9 Series
Having the same problem Neil, Any chance of a step by step walk through for us mere mortals 😀👍
0 Likes
SusuAl
Apprentice
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Galaxy S9 Series
Same here and I just updated my software afew days ago and now I'm having the same issue
0 Likes
milk2sugarsplz
Explorer
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Galaxy S9 Series
adamlee
Helping Hand
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Galaxy S9 Series
May update for the S21U isn't great either. Hit or miss somedays it seems good but most days it's bad.
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Vavalgia
Apprentice
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Galaxy S9 Series

I'm sorry to be the bearer of bad news but this is only a temporary fix and it will start to heat up and waste battery again trust me I've done this on 3 s9 devices now and all have returned to there draining state and repeating the cache wipe does not fix it. I've searched and there is a may 2021 update/fix in the us but it hasn't hit the UK yet 😡 

SusuAl
Apprentice
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Galaxy S9 Series
Same here I'm trying to sort it out with Samsung as the fault is from them
0 Likes
Vavalgia
Explorer
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Galaxy S9 Series
https://eu.community.samsung.com/t5/galaxy-s9-series/why-haven-t-i-got-the-may-1st-update/td-p/34926...

This is my other post, seems that we need the may security update to fix this.... I still fricking waiting for it to drop for me angry.