Make sure you are connected to wifi and can access the Internet.
Go to Settings-General and if there is a Profile delete it.
Dial ##CLEAR# and press the Call button. Wait until the process completes.
Then dial ##UPDATE# and press the Call button.
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Make sure you are connected to wifi and can access the Internet.
Go to Settings-General and if there is a Profile delete it.
Dial ##CLEAR# and press the Call button. Wait until the process completes.
Then dial ##UPDATE# and press the Call button.
I am using Iphone 6 from 2 and half year, i faced this problem after updating IOS 11.01. sim is already in the phone. 2nd issue when i put another sim in phone its start working. My old sim is not working on Iphone. Using on another phone its start working. I can not understand whats the problem !
Do you have a SIM card in the iPhone?
If not, then put one in.
If so, then remove and reinstall.
If that fails talk to your carrier to see if you need a new one.
how to update carrier setting in iphone 6.