"No sim" message after i using the 5g and return after apply the airplane mode
"No sim" message after i use the 5g and return after applying the airplane mode. Sim removed cleaned and reinstalled.
Remove your SIM card from the SIM card tray and then put the SIM card back. ... Make sure that the SIM tray closes completely and isn't loose. If you use a SIM tray from a different model iPhone, iPad, or from another phone manufacturer, it might not fit properly.
If you see 'invalid SIM' or 'no SIM' on your iPhone or iPad ...
Learn what to do if you see a SIM not supported alert.
To be able to use any SIM across the globe you must have "No SIM Restriction" against Network Provider Lock. Please refer to the pic below.