unlocking bootloader on vivo d9300 devices

1. download unlocking file from respective device folder
2. open chimera/ amt (auth method)
3. make a full dump
4. use the prebuild option to unlock or flash the unlocked seccfg.img from unlock file
5. then flashed the patched lk_a.bin & lk_b.bin to the respective partition
6. reboot
7. you may see a unlock warning on device screen
8. wipe data in recovry mod and restart device

Chimera: if face any issue during connection, Please use the provided preloader file