Unlocking a bootloader without a SIM card depends entirely on your phone’s manufacturer. For brands like Google Pixel
: Instead of the phone "phoning home" via mobile data to verify account binding, the manufacturer provides a one-time unlock token through their official web portal using the device's IMEI and Serial Number. how to unlock bootloader without sim card
The bootloader is the first program that runs when you turn on your smartphone. It loads the operating system (Android). For developers, custom ROM enthusiasts, and privacy advocates, unlocking the bootloader is the gateway to rooting, installing custom kernels, or flashing a new OS like LineageOS or GrapheneOS. Unlocking a bootloader without a SIM card depends