The unlock process performs a factory reset, wiping all user data. This is a security feature—it prevents a thief from simply unlocking the bootloader to bypass a lockscreen—but it also means users must back up everything before starting.
Unlocking the bootloader is a destructive and permanent action regarding certain device states: motorola bootloader unlock website
Only specific Motorola devices can be unlocked. The official list includes the Motorola Edge series, the Moto G (certain generations like G5, G6, G7, G Power, G Stylus), the Moto Z series, and the Moto X series. Crucially, devices purchased from carriers (Verizon, AT&T, T-Mobile, etc.) are almost universally excluded. Carrier-locked devices have their bootloader unlock codes controlled by the carrier, not Motorola. This means the vast majority of subsidized or contract phones are permanently locked. The unlock process performs a factory reset, wiping