Toggle . (If this is greyed out, you may need to factory reset and connect to Wi-Fi again without signing into a Google account). Boot into Fastboot Mode (Power + Volume Down).
In most cases, unlocking the bootloader voids your manufacturer warranty. how to unlock bootloader without sim card
You will likely stop receiving automatic system updates once the bootloader is unlocked. Toggle
Most brands, especially Xiaomi (Mi/Redmi/Poco), require a SIM card for two reasons: especially Xiaomi (Mi/Redmi/Poco)
This tool exploits vulnerabilities in the chipset’s boot ROM.
The SIM does need to be in the phone when you perform the actual unlock on your computer. Method 2: Bypassing Xiaomi’s SIM Requirement