She opened iUnlocker again on her old phone. One last check. This time, she typed in the serial number of the replacement device, not the IMEI.
Here’s a for the tool described as: “Check iPhone IMEI or serial number for any Apple device – iUnlocker”
It can identify which carrier (e.g., AT&T, Verizon) the phone is locked to, which is essential before attempting an unlock. Paid Detailed Reports: