Without Sim Card - How To Unlock Bootloader

: You only need the SIM to initiate the "Add account and device" step in settings. You can remove it immediately after the account is successfully bound and wait the required period (usually 168 hours) using Wi-Fi.

You will likely stop receiving automatic system updates once the bootloader is unlocked. how to unlock bootloader without sim card

Many phones (e.g., Xiaomi, Realme, recent Samsung models) require SIM insertion and network connection before enabling OEM Unlocking . : You only need the SIM to initiate