How to fix SIM NOT SUPPORTED on iPhone?
I'm in Bahrain. When I select country and connect WiFi then put sim card in iPhone4 but sim card not supporting. Please guide me
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Earlier iPhone models
Question marked as
This iPhone is carrier Locked. Either use a sim from the carrier that it is locked to, or request a carrier unlock at the carrier that it is locked to
See this link for further refrerence
How to unlock your iPhone for use with a different carrier - Apple Support