1. Apply for unlocking files on the official website
Http://developer.zuk.com/bootloader_2
The serial number is a combination of 8 digits and letters. Do not use qq mail as much as possible, which may fail to be received or the delay may be serious. We recommend that you send a 163 email address, which is generally received in seconds after the application.
2. Install the adb driver
ZUK is self-built and does not require other 3rd-party software. If the 3rd-party software is installed, exit completely and end the background because it occupies the port. We recommend that you uninstall it directly.
Enable "developer options" on the mobile phone and enable "USB debugging": Click "ZUI version" continuously in "about local hosts", and then "developer options" will appear in advanced settings"
The mobile phone connects to the computer and switches to the file transfer mode. There will be an extra drive letter on the computer. This is the adb driver. Enable the installation;
After installing the Device Manager, check whether the driver is installed properly, as shown in the following figure.
Copy the adb_usb.ini file in the directory adb of this toolkit to C: \ User \ (your computer user name )\. in the android directory, you can solve the problem that the mobile phone cannot be found by executing adb devices. This toolkit has a batch process for automatic replication.
Before unlocking, test whether the mobile phone connection is normal: Open the adb Directory, press the Shift key, right-click the blank space, open the command window, enter adb devices, and press Enter. Pay attention to the on-screen prompt of the mobile phone and check the box, OK.
The command window on the computer should be like this: the red box shows your mobile phone serial number and device
If there is no text similar to the text in the red box in the figure above, check whether there are other 3rd-party mobile phone software running in the background on the computer. End it in the Task Manager. If you cannot find it, the best way is to uninstall the 3rd software directly and restart the computer and try again.
If the driver is normal in the Device Manager, and the mobile phone cannot be correctly connected when running adb devices, the port occupied by the 3rd-party software is generally used. So please: uninstall it! Uninstall it! Uninstall it! Restart your computer and try again.
3. The above mobile phone will be unlocked after the connection is normal. After the mobile phone is unlocked, the factory settings will be restored. Please back up data in advance !!!
Copy the unlock_bootloader.img file applied for from the official website to the adb directory.
Open "1. unlock bootloader. bat "batch processing, follow the prompts to complete the unlock quickly. When the phone restarts automatically, the phone will have an English interface, which probably means that your device has been unlocked and is untrusted. This indicates that the mobile phone has been successfully unlocked. In this interface, press the volume key to display a menu, such as machine, restart, Recovery, Fastboot, and so on. The volume key is switched and the power key is determined.
