Unable to sign in my iCloud and my sim not working
Unable to sign in my iCloud problem communiting with iCloud and my sim not working just saying network connection
iPhone 6
Question marked as
See -> If you can't connect or sign in to iCloud
If you can't connect or sign in to iCloud - Apple Support
See these Apple articles below:
If you see 'invalid SIM' or 'no SIM' on your iPhone or iPad
If you see 'invalid SIM' or 'no SIM' on your iPhone or iPad - Apple Support
How to unlock your iPhone for use with a different carrier
How to unlock your iPhone for use with a different carrier - Apple Support
Manually update your carrier settings on your iPhone or iPad
Manually update your carrier settings on your iPhone or iPad - Apple Support