An unlocked bootloader.
The most effective way to repair a corrupted IMEI on a Motorola device is to flash the official Lenovo/Motorola firmware. This re-writes the modem and baseband files. moto z force droid imei repair
Before fixing the problem, you must understand the cause. Unlike older phones where the IMEI was burned into a read-only chip, modern Qualcomm-based phones (like the Moto Z) store the IMEI in the folder. An unlocked bootloader
A: No. Factory reset only wipes user data. It does not touch the /efs or /persist partition. In fact, resetting can sometimes make it worse. resetting can sometimes make it worse.