Telecom lock

Hello Anas1996Anas,

It sounds like your iPhone is locked to another carrier and you need to know what to do next. The guidance below offers the best steps to take:

"Apple can't unlock your iPhone for use with a different carrier. Only your current carrier can unlock your iPhone.

Contact your carrier

1. Only your carrier can unlock your iPhone. Contact them and request an unlock. After you submit the request, it might take a few days to complete. Contact your carrier to check the status of your request.
2. After your carrier confirms that they unlocked your iPhone, follow the steps below. 

If you need to activate an eSIM from a carrier other than your current carrier

Learn how to set up an eSIM on your iPhone

If you have a SIM card from a carrier other than your current carrier

Use these steps to finish unlocking your iPhone:

1. Remove your SIM card.
2. Insert the new SIM card. Your device will activate.

If you don't have another SIM card to use

Use these steps to finish unlocking your iPhone:

1. Back up your iPhone.
2. After you make a backup, erase your iPhone.
3. Restore your iPhone from the backup you just made.

Get help

You might see this message on your computer or iPhone: "The SIM card inserted in this iPhone does not appear to be supported. Only compatible SIM cards from a supported carrier may be used to activate iPhone. Please insert the SIM card that came with your iPhone or visit a supported carrier store."

If you see this message on your device with iOS 14 and later, use these steps:

1. Go to Settings > General and tap About.
2. Under Carrier Lock, you should see a message that says, "No SIM restrictions." If you don't see that message, contact your carrier.

If your device is on iOS 13 or earlier, use these steps:

1. Contact your carrier to confirm that they applied the unlock in their system.
2. Restore your iPhone to factory settings.
3. Restore your iPhone from a backup.

"

How to unlock your iPhone for use with a different carrier - Apple Support

Cheers.