wrong ROM or region
meron ka bang info nyan bago ka nag unlock boot loader ?
try mo itong rom
1. https://drive.google.com/u/0/uc?id=16qXYm26HrJYO_Hy6ZlBmo-lAM1LvJ74g&export=download
2. https://drive.google.com/u/0/uc?id=1bA94WYZnxv-n3E6egbv-K0bXGfatinEw&export=download
flash mo lang via cmd

https://ibb.co/2Z6611Wpaki post ng maayos yong image sir di po sya klaro
sa google boss kung pwede mabagal net ko sa mediafire![]()
Downloading upload ko lang sa mediafire or google after finish
saan po i flash ito boss pwede sa unlocktools?...Download Redmi 6 (cereus) Global MIUI 11 V11.0.5.0.PCGMIXM Fastboot ROM with Android 9.0. Firmware size is 1.9 GB.
- Extractthe file via 7zip
- put your device in fastboot mode or recovery mode
- click flash all
- Done
MIUI Version: V11.0.5.0.PCGMIXM
MIUI Code: MIUI 11
Android OS: 9.0
Region: Global
Device Name: Redmi 6
Device Codename: cereus
Type: Stable
Flash Method: Fastboot
Size:1.9 GB
Release Date:2020-09-16
Filename:cereus_global_images_V11.0.5.0.PCGMIXM_20200916.0000.00_9.0_global_41e1db1e83.tgz
Download here
ganito lang po sya boss pag niload sa unlocktools..pang recovery po yan pero pwede po yan sa unlock tool
upload ko lang yong pang fastboot mode na file