Bootloader Without Sim Card - How To Unlock

Connect phone to PC and open terminal/command prompt.

Make sure you have installed Android Platform Tools correctly and that USB debugging is enabled on your device. On some devices, you may need to install additional drivers (Google USB Driver for Windows, or appropriate vendor drivers). Poor USB cables are another frequent culprit.

The tool will exploit the vulnerability in the MediaTek chip's boot ROM, sending commands to unlock the partition instantly without contacting Xiaomi’s verification servers. Method B: The Account-Binding Wi-Fi Trick (Hit-or-Miss) how to unlock bootloader without sim card

If you follow the appropriate method for your specific brand, you will never need to borrow a friend’s SIM card again.

While most modern Android devices allow you to unlock the bootloader without a SIM card, some brands (like Xiaomi) traditionally require one for account verification. Connect phone to PC and open terminal/command prompt

On older stock firmware versions, developers discovered that disabling Wi-Fi, clicking "Add account and device" in Developer Options, and immediately turning Wi-Fi back on via the notification shade during the timeout window could occasionally trick the system into registering the account without cellular tracking.

Type adb reboot bootloader and press Enter. Your phone will reboot into a screen with a fastboot logo. Type the unlock command corresponding to your device: Poor USB cables are another frequent culprit

Unlocking an Android bootloader without a SIM card depends heavily on the manufacturer and model. For many devices, like those from