Sim no service
I can’t use my sim.They say” no service”and also settings cellular cannot open they say update your phone,i am trying to update phone but they say your phone not connected to internet retry what can I do
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Try first to optimize the range of the mobile network, see this Apple article:
If you see No Service or Searching on your iPhone or iPad
If you see No Service or Searching on your iPhone or iPad - Apple Support
See these Apple articles below:
If you see 'invalid SIM' or 'no SIM' on your iPhone or iPad
If you see 'invalid SIM' or 'no SIM' on your iPhone or iPad - Apple Support
Manually update your carrier settings on your iPhone or iPad
Manually update your carrier settings on your iPhone or iPad - Apple Support
Contact also your carrier.