Install Twrp on your Zenfone laser 550kl without unlocking bootloader

There are many users of zenfone laser out there who are unable to unlock the bootloader even  using the ASUS official bootloader unlocker .This guide is for them .the best thing is you can install twrp and then flash any custom roms as you like without unlocking your bootloader anymore.Do at your own risk.

Requirements:

1.You must be on latest Marshmallow build for zenfone laser 550kl

  that is the Version WW-21.40.1220.1877   .check you phone's settings/about section

  if you are not the latest build you can download it by clicking the above version name

2.you need a computer and the Adb tools must be installed

         *Download ADB FASTBOOT TOOL

3.Download twrp recovery for ZOOL

          *Download Twrp recovery (For zenfone laser 550kl 720p)

Procedure

1.open command prompt from the ADB directory via Shift+right click  and selecting 'open cmd from here 

(keep it open)

2.Then put the twrp.img in the adb folder

3.Maximize the command window 

4.Then put your phone to Fastboot mode .then connect your phone to PC via USB

5.In the command promt type 

      fastboot devices        (this will show your device ID)

    

     fastboot flash recovery twrp.img      (twrp.img is the file name)

   

    this will flash the recovery succesfully 

    

Now you can remove your phone from pc by leaving it in the fastboot mode

6.Then in the fastboot mode

          press the vol down button(first ) by holding it press the power button ( VOL DOWN+ POWER BUTTON)

wait few seconds

7.Boom your phone is now boot up to Twrp recovery :)

install the custom roms you like in your zenfone laser without unlocking the bootloader


i recommend you to don't do asus  otas after doing this process when u get back to stock for any reason.this post is made only because the official unlocker is not working