How to root THL Ultrathin 4400

Updated on January 1, 2020

In this page you will find the instructions to root THL Ultrathin 4400 using Root Genius Application on Windows Computer.

Requirements: If you are using any Antivirus Application on your computer then disable it first then after follow the below tutorial.

How to Root THL Ultrathin 4400

Step 1: Enable USB Debugging on your Smartphone. To enable USB debugging, Open Settings > Developers Option > USB Debugging > Tick to Enable.

(Developers Option is hidden for Android 4.2.2 or above, to show this option Go to Settings > About Phone > Built Number (Tap on it for 5-8 times).

USB Debugging on THL Ultrathin 4400

Step 2: Download and Open Root Genius Application on your Windows Computer.


Step 3: Once Root Genius Application is launched, connect your smartphone to the computer (with USB Debugging enabled).

mobile usb computer

Step 4: Once Your Smartphone is connected successfully to the computer, Root Genius will automatically detect your Device.

THL Ultrathin 4400 Device Connected With Root Genius

Step 5: Now, Click on the “Root Now” button to begin the rooting process.

Root Now THL Ultrathin 4400 with Root Genius

Step 6: Now, Root Genius will automatically “Root” your THL Ultrathin 4400 smartphone and install the KingUser Application.

THL Ultrathin 4400 Root Process

Step 7: Now your THL Ultrathin 4400 smartphone is Rooted. To check whether your phone is rooted correctly, open Applications Menu, there you will be able to see a new app installed, called KingUser. If this app exist then it means you have successfully rooted your device.

Root Genius Kinguser Installed on THL Ultrathin 4400

Optional: You can also verify the root status of your device by using the Root Checker Application.

Readme Once:

[*] No data loss process: Your THL Ultrathin 4400 Phone Data like contacts, pictures, videos, music and etc will be not affected with this method.

[*] Warranty Void: Your THL Ultrathin 4400 Device Warranty may be Void after following the above tutorial.

[*] How to unroot: To unroot your Device, Open RootGenius on your Device > Settings > Remove Root Permission.

[*] THL Stock Firmware: If you are looking for the original firmware for your device then head over to Download THL Stock Firmware for all devices page.

[*] THL USB Driver: If you are looking for the original USB Driver for your device then head over to Download THL USB Driver for all devices page.

[*] Credits: Root Genius Application was created by SJRoot (Developer).

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