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S21 ultra software update registration failed

(Topic created on: 26-03-2024 02:33 AM)
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RamzanHassan
First Poster
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I have been trying to update my Samsung S21 ultra to android 14 for a few months now but it always gives the same message "registration failed" each time. 

I have tried restarting the phone, reconnecting the internet and have connected my phone to PC to update through smart switch. 

But nothing seems to work. Kindly help me.

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4 REPLIES 4
JerryS
Voyager
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Hi - do you see the registration failed message only when you try and update the phone or at other times too? Have you tried clearing the system cache partition?
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RamzanHassan
First Poster
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Only when I click look for update. And I have wiped partition cache. Still didn't work.

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JerryS
Voyager
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That's odd, not sure what else to suggest but have you tried clearing the update cache? Settings > Apps > Google Play Services > Storage > Clear Cache
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RamzanHassan
First Poster
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Did that. No change 

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