Bootloader unlock for Asus Zenfone 3 max (x008da)

[manurahim]

Please tell us some basic information before asking for help:
Model Name: Asus x008da zc520tl
Firmware Version: no idea, Indian version
Rooted or not: not rooted
Frequency of Occurrence: always
APP Name & APP Version (If your issue relates to the app): bootloader
In addition to information above, please also provide as much details as you can, e.g., using scenario, what troubleshooting you've already done, screenshot, etc.
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I tried various methods to unlock the bootloader, but no luck to unlock bootloader.
Tried adb via command prompt in windows.

[fussion_ASUS]

Hi, you will not get updates via OTA if you unlock the bootloader, It's better if you keep your bootloader locked, your warranty will be void as soon as you unlock the bootloader.