That means your iPhone is locked to a Celular service provider that is different to the one for the sim card you are using.
See here for how to unlock it: link-> How to unlock your iPhone for use with a different carrier - Apple Support
Only the service provider it is locked to can unlock it. Apple can't unlock it.
That means your iPhone is locked to a Celular service provider that is different to the one for the sim card you are using.
See here for how to unlock it: link-> How to unlock your iPhone for use with a different carrier - Apple Support
Only the service provider it is locked to can unlock it. Apple can't unlock it.
The iPhone is locked to a carrier other than the one you are trying to use the SIM from. You would need to contact the carrier the device is locked to and see if they offer and if you qualify for unlocking. See this support document. How to unlock your iPhone for use with a different carrier - Apple Support
My iPhone is not supported my SIM card
