Even though Sharp disables the fastboot command, you still need to toggle the setting.
Unlocking the Sharp Aquos Zero 2 requires advanced EDL manipulation and is not recommended for casual users. If bootloader freedom is mandatory, consider: unlock bootloader sharp aquos zero 2
Don't get confused! Many online guides for "unlocking" the zero 2 are actually for SIM/Network unlocking . This allows you to use other carriers but does not allow you to root or flash ROMs. 4. Why Unlocking Matters (And the Risks) Even though Sharp disables the fastboot command, you
Once the phone is in Fastboot mode, you must verify that your PC can communicate with it. Many online guides for "unlocking" the zero 2
Congratulations! Your bootloader is now unlocked. You will see an orange warning state "Your device has been unlocked and can't be trusted" on every boot. This is normal.