Root Asus Zenfone 2 and installing recovery


Root Tips - First of all i want to thank all the devs for their efforts. I have collected & compiled all the info from various sources, credit as usual goes to original devs

PS: Ok guys this thread will be updated real soon as i was able to get some extra space... Will post the latest developments in the reserved area..
I want to thank this really helpful mod @mark manning as this thread will remain active because of him only 




1) Drivers | ADB installer:
ASUS USB DRIVER
ADB INSTALED 

 2) Recovery Related Stuff (Entering Recovery| Stock Recovery | Custom Recovery)
 2.1) Entering Recovery mode

    Turn off you Zenfone 2
    Hold Power button + Volume up
    When the phone is vibrating release power button
    You can select Normal boot or Recovery boot by pressing Volume up/down button.. To enter Recovery mode choose recovery boot.
    Then you will see sleeping android robot. Press power button + Volume up and release the buttons.
    You are now in Recovery mode

NOTE: After rooting many users are not able to enter recovery..The dead android bot with error appears...To enter recovery follow these steps:  



    Enter recovery as you normally do
    When you see a dead android bot with an error press and hold power button, then (while holding power button) quickly press Vol up and release and then release power button..



NOTE: IF METHOD 1 FAILS try METHOD 2 it will definitely work 


method 2  
- Connect your device and open adb
- In adb Type 


fastboot erase cache
 
2.2) Stock Recovery
For STOCK recovery collection:  


 3) Rooting | Flashing | Applying OTA 

 3.1) Rooting Zenfone 2

NOTE:
If you root via METHOD 1 you can update SuperSu app as well as update binaries but PLEASE DON'T apply any OTA update as the phone WILL GET STUCK IN A BOOTLOOP...Manually flash the firmware via adb...

If you root via METHOD 2 you CAN UPDATE VIA OTA/NO BOOTLOOPS BUT YOU HAVE TO UNROOT FIRST BEFORE APPLYING OTA

If you root via METHOD 3 you CAN UPDATE VIA OTA/NO BOOTLOOPS AND UN-ROOTING BEFORE APPLYING ANY OTA IS NOT NECESSARY.

 Method 1 (PRE-ROOTED SYSTEM.IMG) :  

 Credit goes to: shakalaca , keepfishes

First things first: (get this straight, don't download the wrong firmware and flash the wrong thing)
ZE550ML = Z008
ZE551ML = Z00A

Files Needed:
- Drivers for Asus Zenfone 2 installed on PC
- ADB installed on your PC     
- Flash Tools
- Pre-rooted system.img and recovery  (Download the correct firmware according to your phone)
 -  WinRar

Steps:

    Download the pre-rooted system.img folder (Download the correct firmware according to your phone ZE550ML = Z008 , ZE551ML = Z00A )
    Download and run WinRAR . Click on the '.zip' part of the system.img file. You will see that WinRAR puts all the parts together and offers you an option to extract the one big system.img. Go ahead and extract it to the folder the other parts of the ROM are in.


    Unzip the FlashTools.zip and copy the following 4 downloaded files and paste it into extracted flashtools folder:
        boot.img (~ 11MB)
        droidboot.img (~ 13MB)
        recovery.img (~ 11MB)
        system.img (~ 2GB)


    Disconnect your phone from PC/Laptop.. Power it off. Once it is off, hold down the volume up button and hold on to the power button until the phone vibrates. After the vibration stops, release the power button and continue pressing the volume up button until the green Android robot appears. You should see a blue line below saying "Waiting Fastboot command"


    Now connect your phone via USB to your computer.


    At the flashtools folder press Shift + Right Click.. Then select "Open command here"...


    Copy and paste the following commands in the command prompt window (line by line) and press enter after each line. WAIT for the process to complete before copying and pasting the next line:



fastboot flash  fastboot  droidboot.img
fastboot flash recovery recovery.img
fastboot flash boot boot.img
fastboot flash system system.img
 
The last step will take quite a while before it returns to the blinking cursor. Once it does, it's done and you can plug out the USB and press the power button, reboot your phone and when it starts up, your phone is ROOTED! You should see a # sign in the status bar


SECOND TUTORIAL ABOUT ROOTING ZENFONE WILL BE AVALAIBLE SOON .. thanks  

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