Xiaomi is the most restrictive brand regarding SIM cards. If you absolutely cannot use one, try these steps:
This tool exploits vulnerabilities in the chipset’s boot ROM.
To ensure the person unlocking the phone is the actual owner. how to unlock bootloader without sim card
Go to Settings > Additional Settings > Developer Options and enable OEM Unlocking and USB Debugging .
This is advanced and carries a higher risk of "bricking" your device if done incorrectly. Critical Reminders Xiaomi is the most restrictive brand regarding SIM cards
This guide covers the most effective workarounds for bypassing the SIM requirement during the bootloader unlocking process. The Challenge: Why Manufacturers Want a SIM
Unlocking a bootloader usually requires a SIM card to verify your identity or maintain a connection with the manufacturer’s servers. However, if you are using a device with a broken SIM slot or simply don't have a spare card, you can still gain administrative control. Go to Settings > Additional Settings > Developer
Unlocking the bootloader will wipe all user data . Back up your photos and contacts first.