Using iPhone
How can I use sim in my iPhone 6s Plus if it doesn’t support?
iPhone SE, iOS 14
How can I use sim in my iPhone 6s Plus if it doesn’t support?
iPhone SE, iOS 14
Get and use a sim from your current carrier.
Get and use a sim from your current carrier.
You can't. That means the phone is locked to a different carrier. Only the carrier it is locked to can unlock it.
Using iPhone