With new devices, the bootloader unlock procedure has become rather easy and facile to Android users. A quick adb and fastboot setup and issuing a couple of commands through the terminal or command prompt can do the trick. Lenovo ZUK Z1 is one such device and we have the unlock bootloader tutorial ready for it.
Once you unlock the bootloader you are all set to start with the development or begin with modifying your system. This will enable you to flash a modified boot image, install TWRP recovery and ultimately root your device. Unlocked bootloader is required to set up a custom recovery. Once you setup TWRP or similar custom recovery, you can flash all the compatible custom ROMs for your device.
Before we begin backup your device because this may remove apps and data from your ZUK Z1. So let’s begin with the tutorial.
Warning: Warranty may be void if you unlock your bootloader on your device. We at DroidViews won’t be liable for any damage to your device whatsoever. We won’t be held responsible if you brick your device. Reader’s discretion is advised.
Backup Apps and Data
This process may wipe all of your data, a backup is highly recommended. Backup all your apps, data, media and internal storage just in case anything goes wrong.
How to Unlock Bootloader on Lenovo ZUK Z1
- This guide is compatible with Lenovo ZUK Z1.
- Set up ADB and Fastboot on your computer.
- Install USB Drivers on your computer.
- Open Settings> Developer options and enable USB Debugging on your device.
- Go to Developer options and enable Allow OEM unlock. This is important.
- Make sure you have setup ADB and fastboot on your PC. Also, accept Always allow from this computer when you plug in the device for the first time to enable USB Debugging.
- Now connect your device to PC and accept the RSA Authentication prompt. Now open a command prompt or terminal window. Do this by holding the shift key on your keyboard and right-click on an empty space and select “Open command window here” option to launch a command prompt window. Verify connectivity issuing the following command in cmd:
- Boot into the bootloader or fastboot mode. To do so, you can also issue the following code, while connected to the PC.
adb reboot bootloader
- Now, as the ZUK Z1 isn’t recognized as a fastboot device, you will have to specify the OEM id. It is 0x2b4c meaning, any fastboot command must be suffixed with the following code.
- Now this is important. We will proceed to unlock the bootloader. To do this, issue the following command. Choose yes on the device screen if prompted.
fastboot -i 0x2b4c oem get-device-info
- If you see a message like (bootloader) Device unlocked: true, then reboot to bootloader
- The bootloader on your device should now be unlocked. Reboot your device normally or issue the following command”
You may see an unlocked symbol when you reboot. This means that your device has successfully been unlocked. If the operation fails, then your bootloader is still locked.
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