30-06-2022 10:48 AM
30-06-2022 01:04 PM - edited 30-06-2022 01:05 PM
"SIM not supported" suggests that the iPhone is locked to another network.
https://support.apple.com/en-ie/HT201328
You need an unlocked phone to use a 48 SIM.
https://48.ie/unlock-your-phone