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What does fastboot OEM lock do?
4 Answers. Simply put, fastboot oem lock puts your bootloader into a mode that prevents you from overwriting your recovery image, without a subsequent fastboot oem unlock. This serves as a security precaution, primarily where the default recovery and firmware is installed.
What does it mean when your OEM is locked?
For some Android phones, modifying system files and installing software not from the Google Play Store voids the warranty, so the OEM is locked by default to prevent you from voiding the warranty. OEM unlock means to unlock the bootloader of the device.
Can I lock an unlocked bootloader?
To lock the bootloader and reset the device, run the fastboot flashing lock command on the device. Devices intended for retail should be shipped in the locked state (with get_unlock_ability returning 0 ) to ensure that attackers can’t compromise the device by installing a new system or boot image.
What does fastboot oem unlock and how to unlock bootloader?
The Fastboot OEM unlock is a very important feature of Android used to unlock the device’s bootloader. Without OEM unlock, the Bootloader unlocking commands will not work on the phone. Many people think that OEM unlock may lead to damages to the phone, but that’s not true.
Is there a command to lock the bootloader?
Note: For devices released in 2015 or later, use the ‘fastboot flashing lock’ command. Although, the first command given above may work too. You should now get a prompt for locking your bootloader on your device. Confirm your selection and wait for the process to complete.
What happens when you reboot into Fastboot mode?
Once you are in the recovery mode, you should see your stock recovery options and UI. This means that the Recovery was flashed correctly. Now reboot your device and boot into the fastboot mode for your device. Note: Fastboot mode can be accessed by holding down the ‘Volume Down’ button on most devices while rebooting.
Where do I find the hardware key for Fastboot?
The hardware key combination for booting to fastboot for various Google Pixel/Nexus devices could be found on this page. If you are unsure about your device, either Google it or follow the below procedure: Go to the folder where ADB and Fastboot binaries are installed. While holding the SHIFT, right-click in an empty location inside the folder.