Sim is not working
Sim is not working please help him
iPhone 8 Plus, iOS 16
could be 3 things
- it's sim locked with another carrier in which case How to unlock your iPhone for use with a different carrier - Apple Support
- the sim card is defect in which case you should get a replacement from your carrier
- the sim slot of your phone is broken in which case you will need it repaired iPhone Repair & Service - Apple Support