How can I register my number back because I deregisted wrong number
How can I re-register my phone number because I accidentally deregistered the wrong number
iPhone 13, iOS 15
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Best reply
Put in the good SIM
Settings, Messages, Turn off iMessage
Settings, Face Time, Turn off Face Time
Restart the phone.
Settings, Messages, Turn on iMessage, SMS, MMS
Settings, Face Time, Turn on Face Time