Download TWRP for Tecno Boom J8
hereHow to flash TWRP to Tecno Boom J8
* Root the Tecno Boom J8 using
root tecno j8* Unzip the recovery.img from the above zip file after downloading and save it to the phone's SD card
* Flash the recovery.img using rashr.apk
download it here
Credit Goto Team Hovatek has ported TWRP to Tecno Boom J8