What can i do if my iphone 6 is sim not supported
what can i do if my iphone 6 is sim not supported
iPhone 6, iOS 12
See this Apple article: How to unlock your iPhone for use with a different carrier
How to unlock your iPhone for use with a different carrier - Apple Support
Apple can't unlock your iPhone for use with a different carrier. Only your carrier can unlock your iPhone.
You need to contact your Carrier.