How To Unlock Bootloader Without Sim Card -

In your PC terminal, type fastboot flashing unlock or fastboot oem unlock .

: Photos, contacts, and apps will be wiped.

Method 3: Mediatek (MTK) Exploits for Brand-Agnostic Unlocking

Here’s the proven solution:

Unlocking the bootloader automatically triggers a factory reset. Back up all photos, contacts, and personal data before proceeding. Universal Preparations on the Android Device

If adb devices works but fastboot devices returns a blank line, your PC lacks the correct fastboot interface drivers. Fix this by opening on Windows, locating the Android device showing a yellow exclamation mark, right-clicking it, selecting Update Driver , and manually pointing it to your extracted OEM or Google USB driver folder.

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

A SIM card is completely unnecessary. Simply connect over Wi-Fi to request the key, then pass the command fastboot oem unlock UNIQUE_KEY_RECEIVED while in fastboot mode. Troubleshooting Grayscale "OEM Unlocking" Options

Xiaomi's official Mi Unlock Tool usually mandates a SIM card to bind the Mi Account using mobile data. To bypass this without a SIM, you typically need to use or scripts. How to Unlock Bootloader on ANY Android Phone

Go to Settings > System > System Update and force a check for updates. In your PC terminal, type fastboot flashing unlock

If the toggle cannot be flipped even when connected to Wi-Fi, it usually indicates one of three things:

However, is sufficient for 90% of these checks. The SIM card is rarely a technical requirement—it is a business policy requirement. Therefore, with the right tricks, you can bypass it entirely.