It may be noted for this type, root to be enabled at developer options. Rebooted to TWRP and installed to root it. Rebooted and initial steps of phone setup was completed (iii) Installed lineage 15.1 (mido_) and gapps (mido_open_) (now only 2 things left on phone fastboot and recovery (ii) Total wipe was carried out from above latest twrp (wipe>Advance wipe>selected all like Delvik / ART Cache, System, Vendor, Data, Internal Storage and Cache>swiped to wipe (1) existing TWRP_3.2.1-5_mido was updated with. Almost no other methods were successful on MIUI 10 Redmi Note 4x (Snapdragon), which is already bootloader unlocked, rooted condition.
