No sim error s21

[lilbot]

I have a S21 5G it's about 18 months old for the last 6 months-ish, I've started having a no sim card error appear, sometimes it will clear if I restart the device other times I have no chance. I've had the sim replaced & still nothing, what can I do?

[Queenbee123]

Ignore it and it might go away

[lilbot]

I wish it would, but I legit can't use my phone when the error appears, I cant receive calls or use mobile data. Its been six-ish months now as stated in the post above

[Queenbee123]

Go to the Samsung shop and ask them

[Pugs1957 · Accepted solution]

Sorry to hear about the problem. It sounds like a faulty card reader. You have a 2 year warranty so check this page out where you can start the process https://www.samsung.com/uk/support/warranty/

[Ventor]

@lilbot Hello, it is most likely a failure of the SIM card reader, and you have to go to the SAT. I would recommend you try one last thing: make a backup copy of your personal data and proceed to Reset the device to factory settings, since you also have to do it if you decide to go to technical service.

[Partita]

Try plugging in a new cable.

[apryl3825]

I am having the same exact problem and I am 3 months outside of my warranty! I went to a Samsung repair shop who installed a new SIM card reader and that only lasted a month. He told me that normally when this happens it is the motherboard that is going out. This phone is only 2 years old. Help please