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Samsung s21 ultra won't charge after update

(Topic created on: 02-06-2024 10:15 PM)
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Fletchno1
First Poster
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There were 2 updates in the last couple of weeks. My phone stopped fast charging after the 1st update, I thought the 2nd update was to fix this issue however it stopped charging all together with cables since the 2nd update. I'm now using a wireless charger which takes forever to charge. Such a inconvenience. 

Anyone having the same issue and maybe got a fix? 
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2 REPLIES 2
Ry-Galaxy
Voyager
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You could try backing your device up, then factory reseting it & updating via Smart Switch on PC if you can.

If after the factory reset you're still facing the issue, definitely needs sending in for repair to Samsung, hope this helps!
SpokenHands
Apprentice
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Join the club. Samsung and several moderators and stars are in denial but there is definitely a bug in the update.

Many of us have lost 'Supercharging' or 'Fast Charging' functionality. Phone takes over 3 hours 54 mins for full charge from 0%

Here is what I tried
1. Different 25W and 45W Samsung chargers
2. Different USB - C cables
3. Different plug points
4. Fast/SF toggle in Battery Settings
5 Battery Protection set to Adaptive
6. USB charging diagnostic check passed
7. USB port confirmed clean
8. USB settings cache cleared
9. Finally Factory Reset

Phone charges only via 3.1 A USB-A to USB-C cable

Phone does not recognise USB-C to USB-C cables

The Samsung Service tech services could only recommend a service repair.

Samsung service repair could diagnose no issue with the hardware. Above 1-4 seen on their charger/cables/plugs etc.

Yesterday there was a 'System Configuration' update after which my USB-C charging and Fast charging appears to be working again. Phone back to recognising USB-C to USB-C 5A charging. Still no SF charging

Definitely a software bug
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