How to unlock sim of iPhone

To unlock the SIM of your iPhone 11 Pro Max, you will need to contact your mobile service provider. They will be able to assist you with the unlocking process and provide you with the necessary instructions. Keep in mind that there may be certain requirements and fees associated with unlocking your device. It's best to reach out to your service provider directly for personalized assistance. Let me know if there's anything else I can help with!

Only the original cellular carrier may unlock the iPhone if they choose to do so.