How To Unlock Bootloader Without Sim Card [TESTED]

If you have a backup or secondary SIM card, you can use it to unlock the bootloader. This method is straightforward: simply insert the SIM card, follow the manufacturer's instructions, and unlock the bootloader.

Use the official Mi Unlock Tool on your PC. Method 3: Using Third-Party Tools (Unlocking Without SIM)

Hold both keys on your phone simultaneously, then plug in the USB cable. how to unlock bootloader without sim card

Brands that utilize a relatively stock version of Android generally do not require a carrier network connection to authorize a bootloader unlock. They only require an internet connection to ping their verification servers. Step 1: Enable Developer Options Open on your Android device. Navigate to About Phone .

If you are using a Wi-Fi-only tablet, a device without an active cellular plan, or a phone with a broken SIM tray, you might think you are out of luck. Fortunately, depending on your device manufacturer, there are several workarounds to bypass or satisfy this requirement. If you have a backup or secondary SIM

If the command fails with “remote: oem unlock is not allowed,” the SIM requirement is hard-coded → use Method 2 or 3.

On newer S22/S23 series, this no longer works. Samsung now demands a SIM card for network validation during initial setup. The only SIM-less workaround is using a Test Point (Method 7) to force the phone into factory mode. Method 3: Using Third-Party Tools (Unlocking Without SIM)

A unlocked bootloader disables certain security protocols, making the device more vulnerable if physically stolen.

Go to Settings > About Phone and tap Build Number 7 times.