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Open a command prompt/terminal on your computer and type: adb reboot bootloader
If Mi Unlock says "SIM card not recognized," use a Wi-Fi hotspot from another phone. The tool only needs internet, not cellular. Some users also report success by inserting any deactivated SIM card (an old pay-as-you-go card with zero balance) just to satisfy the initial check, then removing it.
Model-specific notes (examples)
Download and extract the official on your PC.
Unlocking the bootloader triggers a mandatory factory reset. Back up all your photos, contacts, and app data before starting.
Some community-developed tools, like the Xiaomi HyperOS BootLoader Bypass on GitHub, may allow users to skip certain restrictions, though results vary by model and firmware version. how to unlock bootloader without sim card
Xiaomi devices usually require a SIM card to "bind" your Mi Account to the device via mobile data . If you don't have a SIM, try these alternatives:
Execute your fastboot commands or script initializations locally without relying on a computer or mobile carrier authentication. Crucial Risks and Considerations
: Connect your phone to a PC. Open a command prompt and type: adb reboot bootloader This public link is valid for 7 days
Close the Settings app completely from your recent apps overview, reopen it, and check again.
Most major manufacturers (Samsung, Google Pixel, Xiaomi, OnePlus, Motorola) require an active internet connection and, in many cases, a SIM card inserted to verify carrier status or device ownership. However, it is possible to unlock the bootloader without a SIM card using , OEM unlock exploits , or third-party tools . This report covers safe, documented methods as of 2026.