[Honor 4x Questions & Answers] opod:
There is one topic that provides all the answers for the European model. http://xdaforums.com/android/help/huawei-honor-4x-che2-l11-qa-t3100429

There are so many version of Honor Mx4 so I was thinking have this thread specific for chinese version Che2-Ul00 with kirin CPU and 2Gb of Ram ( china Unicom ).

Remember to backup data before anything :D. Also charge phone and so on ( pray to gods, science etc... )

- rom Glory 4X Che2-UL00 2G - Update B425 can be found here: http://www.needrom.com/download/glory-4x-che2-ul00-2g/

- TWRP for Huawei 4C working nice with 4X https://drive.google.com/file/d/0B0iMDu5QRxNiVUpWRnRrN0tJQjg/view

- ADB download link

- to root phone get apk from here kingroot http://www.kingroot.net/

- superSU download from Here

Procedure:

Unlock bootloader for Honor 4X (Che2-UL00)

a) create an account here https://hwid1.vmall.com/

Provide following info

Mobile Model: Honor 4X Che2-UL00

MEID/IMEI:

S/N:

Product ID:

(to get your product id, enter *#*#1357946#*#*. An 8-digit ID is then displayed)

[ for me it was not instant, had to wait a little untill the product id was shown ]

The code should be given instant

b)Download the following files:

i) Adb fastboot tools + TWRP Recovery for Honor 4x + Honor 4x (che2-L11) original recovery:

Note: Get the file from post #10

ii) SuperSU by chainfire : UPDATE-SuperSU-v2.46.zip

iii) Connect honor 4x to your pc and install HiSuite

c)Preparing the phone

-Enable ‘Developer options’ (Settings > About phone > tap on ‘Build number’ until it’s enabled)

-Go to ‘Developer options’ and enable ‘USB debugging’

-Connect Honor 4x to PC (with HiSuite successfully connected)

-Extract zip file downloaded from b) i) to a folder (e.g. adbtools)

-Run cmd to get into command prompt from PC and change directory to adbtools

-On the Command Prompt window type ‘adb devices’, and it will list down device serial number, with a word device following behind.

-Type ‘adb reboot bootloader’ to kick the phone into Fastboot mode. You will see that your phone boot into a white screen with android robot with the words 'Phone Locked' (in blue)

-Type ‘fastboot oem unlock unlockingpassword’, where ‘unlockingpassword’ is the 16-digit number you’ve obtained earlier

-If successful, the phone’s screen will now show ‘PHONE Unlocked’ in red

-Reboot the phone to make sure everything runs ok.

Flashing custom recovery for Honor 4X (Che2-UL00)

To root your phone, you need to flash a custom recovery to it.

-Same as earlier step, run cmd to get into command prompt from PC and change directory to adbtools

-Type ‘adb devices’ to make sure that your phone is properly connected.

-Type ‘adb reboot bootloader’ to kick the phone into Fastboot mode.

-Type 'fastboot flash recovery TWRP.img'

-If successful, you’ll get a ‘finished’ confirmation with the time it took to complete the process.

-To confirm a successful flash, power down your phone. Then go Recovery mode (TWRP): Press volume up + power buttons

-In case you need to turn back to stock recovery, repeat the above steps, Type 'fastboot flash recovery recovery_offical.img' instead and reboot to your original stock recovery.

Rooting Honor 4X (Che2-UL00)

-Download Chainfire’s SuperSU ZIP file into the phone’s SD card

-Boot the device into Recovery mode

-Navigate into the ‘install zip from sdcard’ option,

-Find the downloaded SuperSU ZIP file, and flash it.

-Once done, reboot the Honor 4x and launch the SuperSU app, install the binaries, and reboot the phone again.

-Congratulations, your device is now rooted.

After TWRP is installed you can install gapps using TWRP install from zip. Take care you need lollipop version 64bit

Download from here

Hope all was working fine for you.