Default [Q] how to root without UNLOCK bootloader

hi all,

i was LOCKED my M7 with this methods

this steps need to be rooted, i did right to back to LOCKED,

then install RUU.exe with HBOOT 1.44

but when i try to flash recovery, it's need UNLOCKED,

the problem is : the method i did before to be LOCKED no way to UNLOCK it without root

and the root need UNLOCKED

the UNLOCKED method need root.... etc

any way to root my phone or unlock it ?
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