How To Unlock Bootloader Without Sim Card Link

Download an application like or Shizuku from the Google Play Store.

For many "clean" versions of Android, the bootloader doesn't care about your SIM status; it only cares about a setting in your software called .

The approach you take will largely depend on your specific phone model and the nature of the block (broken hardware vs. software restriction). The following table summarizes the primary strategies:

The exact steps vary by manufacturer (Google Pixel vs. Samsung vs. OnePlus vs. Xiaomi), but the general workflow is as follows. how to unlock bootloader without sim card

Use a PC with Platform Tools to run the command: fastboot flashing unlock .

Connect your phone to the PC while holding down both keys simultaneously. This forces the device into BROM mode, allowing the tool to rewrite the bootloader partition instantly. Method 3: Samsung Devices (No SIM Required)

Leo didn't have a spare SIM, and he wasn't about to buy a monthly plan just for a hobby project. He sat in his dimly lit office, the glow of his monitor reflecting off his glasses. He knew that for many modern phones—especially Pixels and certain OnePlus models—the bootloader toggle is grayed out until the device "checks in" with the manufacturer’s servers [2, 5]. First, he tried the "Wi-Fi Dance." Download an application like or Shizuku from the

Restart the device; the toggle should now appear in Developer Options .

If your device has a Snapdragon processor, it cannot use MTK Client. The official server-side check cannot be truly bypassed without a SIM. However, you can use a :

Open your command line interface in the platform-tools folder. software restriction)

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.

Report generated for technical assistance. Always follow your device’s official guidelines where possible.