I have samsung 10 plus, for a few days my mobile start whit tis proble:Recently my phone will say "No Sim Card
I have to restart the mobile and after working for a few hours!!!
someone has suggest to fix this problem?
Go to Solution.
Try re-seating the SIM by taking it out and putting it back in.
You can also try replacing the SIM card if the problem is still there then a factory reset.
If all fails then it could be hardware problem and you would need to get the phone repaired.