3 to 5 days ago, mobile shows that you have only one SIM, SIM 1 is not inserted. I have checked the settings to see what is happening. In settings, I go to sim manager, in sim manager I see that SIM 1 is not inserted but SIM 1 was inserted. I try restarting the phone. After restarting the phone, SIM 1 was working. Now today, I picked up my mobile to check the time. The same is the case here. SIM 1 was not working. No SIM card inserted. Tried restarting the phone, but the problem was the same. So switched off the phone for 5 minutes. After 5 minutes turned on the phone, sim 1 was working fine. Even in this case I did not open sim tray for the first time and now
