How can I unlock my iphone X for another carrier?

You can't, sorry. Only the carrier whom that iPhone is locked to can help you, if you qualify.

See also this support guide:--> How to unlock your iPhone for use with a different carrier - Apple Support

Regards

Giulio

Good afternoon, Stedman.

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

Good afternoon, Giulio.

thanks for connection with us.

if you can unlock your iPhone

thanks

[Link Edited by Moderator]