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Hello to All, I've just bought a refurbished iPhone 8 Plus online and when I put a T Mobile prepaid SIM in there I get the "SIM Not Supported" message. In addition, my iPhone is "stuck" on the SIM Not Supported page. I tried without success to go "back", double click home button and power on/off. Any suggestions to unfreeze it ? I would like to get over to settings so I can see if it's locked down. Thanks in advance.
iPhone SE, iOS 16
If your iPhone can't be activated or an alert says the activation server is unavailable or the SIM card is unsupported, read this document --> If you can't activate your iPhone or iPad (Wi-Fi + Cellular) - Apple Support
If your iPhone can't be activated or an alert says the activation server is unavailable or the SIM card is unsupported, read this document --> If you can't activate your iPhone or iPad (Wi-Fi + Cellular) - Apple Support
The message is: The SIM you have currently installed in this iPhone is from a carrier that is not supported under the activation policy that is currently assigned by the activation server. Please install another SIM from a supported carrier or request that this iPhone be unlocked by your carrier.
So which action to pursue in the above link/article ? How do I find out who the current carrier is ? And again, any way to unfreeze it ?
Going to answer my own questions here because the article link was not helpful...
1. To unfreeze an iPhone 8 Plus: Quickly press and release the volume up button. Quickly press and release the volume down button, then press and hold the side button.
2. To see if an iPhone is locked: Settings, General, About, Scroll Down to Carrier Lock section.
3. To unlock an iPhone from ATT: https://www.att.com/deviceunlock/
I thought Step #3 was going to take days but ATT unlocked it within seconds of my online request.
iPhone 8 Plus Frozen
