Sim not supported
I can not use my SIM card when I installed it in my iPhone?
Please help me
iPhone X
I can not use my SIM card when I installed it in my iPhone?
Please help me
iPhone X
What Kurtosis12 said. Here’s Apple’s support article→How to unlock your iPhone for use with a different carrier - Apple Support
What Kurtosis12 said. Here’s Apple’s support article→How to unlock your iPhone for use with a different carrier - Apple Support
Your phone is locked to a different carrier. You will need to contact them and have them unlock the phone before you can use the carrier who provided you the SIM.
Sim not supported