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Original topic:

Check Sim Card Tray - S21

(Topic created on: 20-10-2021 12:18 PM)
michelle-s21
First Poster
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Galaxy S21 Series

I randomly keep getting this error on my 10 month old S21

Screenshot 2021-10-20 at 12.14.53.png

The SIM is inserted correctly, facing upwards. 

I ordered a replacement SIM from Giffgaff and added this into the phone but I am still getting the same message pop up. 

 

Has anyone else experienced this issue ?  

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1 REPLY 1
xSteveuk
Hotshot
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Galaxy S21 Series
Hi
Give the sim card a clean
And delete the cache
To see if fixes the issue
https://www.samsung.com/uk/support/mobile-devices/how-do-i-clear-the-cache-on-my-device/

Also try Turning off your phone
Wait about 30s and Power it back on and see if your phone reads the sim card
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