How to Fix SIM NOT SUPPORTED on Any iPhone! Unlock iPhone from Carrier [2023] 

its help us for any iphone sim supported.

Just my iPhone 11 have this problem when I inter the SIM card it said to me Activation Reqaired and then sim not supported

What if it’s attached to a Gevey card?

I don't have a SIM but am getting this error display after my iphone says "Update Completed' even though I haven't initiated an update. It is doing it all on it's own but this time says the SIM card is not supported by my carrier but I don't have a SIM card.