Dial *#06# to get the IMEI number. Use a free online IMEI Checker to ensure the device isn't blacklisted due to being reported lost or stolen. 2. Hardware Health Checklist
Go to Settings > General > About and look for "Carrier Lock." It should say "No SIM restrictions" . If it lists a specific carrier, it will only work with that provider's SIM cards. what to know when buying a used iphone
If the phone passes the initial security checks, perform a hands-on hardware inspection. Buying my 1st iphone 2nd hand, what should I look out for? Dial *#06# to get the IMEI number
