Unlock Asus Zenfone 2

Unlock Asus Zenfone 2

  • 170 g, 10.9 mm
  • Android 6.0
  • Posted by: Niko


Detailed instructions for unlocking the bootloader on Asus Zenfone 2 (ZE551ML, ZE550ML)

  • Download file 550-White_Splash.zip
  • Download file 550-Black_Splash.zip
  • Download file 551-White_Splash.zip
  • Download file 551-Black_Splash.zip
  • Download file ZF2_one_click_unlock_by_sorg_v2.zip

Neither the administration of PDALife.info, nor the author of the instructions are responsible for your actions and results. Everything that you do. you do only at your own peril and risk.

Unlocking the bootloader may result in the loss of all user information on the device. It is highly recommended that you back up all necessary files and data.

This method works on the following devices and under the control of certain firmware:

  • ZE551ML: v2.19.40.18, v2.19.40.20, v2.19.40.22, v2.20.40.58, v2.20.40.59
  • ZE550ML: v2.19.40.12, v2.19.40.13, v2.19.40.23, v2.20.40.40, v2.20.40.41

Installation Instructions

Create a folder with the name "in the root of the C: \ driveAndroid".

Video: Unlock Asus Zenfone 2

Download and install drivers from Asus and Intel.

Download the archive with the One-Click bootloader unlock utility and unzip it to the “Android” folder.

Activate item “USB debugging»On the smartphone.
You can do this in the "For developers". You can find out how to open it here.

Open the command line and go to the created Android folder with the command "cd c: \ Android \ tools \"(Commands are written without quotes).

Make sure that the computer finds the device via ADB.
To do this, enter "adb devices"To the command line. On the appeared request on the phone for permission to debug via ADB on this computer, click "Ok", While selecting"Always allow from this computer". If the device is visible, the text “List of devices attached"And a list of all devices (for example, xxxxxxx device) If instead of “device” it says “offline” or the list is empty, then you need to update ADB, check the driver / cable, change the USB port / computer.

Provided that the device is determined to correctly enter the command ".\ unlock_one_click_v2.bat".

After unlocking the bootloader, the phone will reboot itself, and during the system startup, the so-called Splash Screen will change color to white. To change it back to black, you will need to download the archive with the desired color for your model:

Unzip it to your Android folder.

At the command prompt, enter "fastboot flash splashscreen. \ splashscreen.img".

At the end of the file firmware enter the command "fastboot reboot»To reboot the device.

That’s all, the bootloader is unlocked. We can offer those who wish to install custom recovery and firmware or to obtain superuser rights.

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