Zhanrui Mobile Phone Unlocked

1.  Zhanrui unlock can not be opened oem unlock, Mainly through sn Generate bin To unlock .
    2.  The computer environment here in Nanchang is windows, So first of all windows Under the fastboot.exe Put it in cmd Under the running Directory 
    3. USB Connect userdebug Software version of mobile phone ,adb reboot bootloader Get into fastboot mode
    4.  function fastboot.exe oem get_identifier_token obtain SN Number , Get, for example, the following  3130373134343837333332363837
    5.  Generate bin file , Enter in the analog terminal K631 Run the following command from the project root ：（ Pay attention to replace the above generated SN Number ）
        ./vendor/sprd/proprietories-source/packimage_scripts/signidentifier_unlockbootloader.sh 3130373134343837333332363837 bsp/tools/secureboot_key/config/rsa4096_vbmeta.pem signature.bin
    6.  Unlock device , The generated signature.bin Files in cmd Under the running Directory .
         fastboot.exe flashing unlock_bootloader signature.bin
      At this time, follow the prompts on the mobile phone , Press the volume key to confirm , Then wait for the mobile phone operation to complete .

    7. fastboot.exe reboot  Restart the phone , The phone must be cleared data The action of , Otherwise, it will start abnormally .
    8.  Run the following command after restart ：
        adb root;
        adb disable-verity;
        adb reboot;
        adb root;
        adb remount