I bought an iPhone 13 Pro from T-Mobile for my dad in Nigeria with full Sim unlock, on getting to Nigeria the sim is still locked and I paid for full Sim unlock, getting to T-Mobile they said because I did not activate my US Sim on it that's why that I should contact apple
Apple cannot remove SIM locks, only the carrier the phone is locked to (in this case, T-Mobile) can.
How to unlock your iPhone for use with a different carrier - Apple Support
Apple cannot remove SIM locks, only the carrier the phone is locked to (in this case, T-Mobile) can.
How to unlock your iPhone for use with a different carrier - Apple Support
Sim locked
