Its always wise to make a backup of the following files boot.img, lk.bin or uboot.bin & logo.bin using a tool like Miracle Box just in case if things go wrong.
It will be nice if you guys can make backup of the files above and send so I can post it here to help others
Download XBO Stock ROMs/Firmwares from here
How to use display fix files
Download and extract the display fix file of the phone you want to fix
Launch SP Flash tool
Click Scatter Loader Button
Navigate to the extracted folder
Select the scatter file
Click Download button
Connect device and wait for flash process to complete
Takes about 5 seconds
The following files below are display fix files for XBO devices only.
Sometimes the firmware flashed on the device can be the cause of this. Be careful especially when you want to flash preloader.