Sometimes, the universal firmware disables hardware via build.prop . Edit the file ( /system/build.prop ) and change:
MT6572 universal firmware is a customized firmware designed to work with devices powered by the MediaTek MT6572 chipset. This firmware is created to provide a stable, efficient, and feature-rich experience for users. It's often used to revive or upgrade devices that are no longer supported by their manufacturers or to fix issues with the existing firmware. mt6572 universal firmware
options in SP Flash Tool. Using "Format All" can erase your unique IMEI and NVRAM data It's often used to revive or upgrade devices
The roadmap for the device's memory. It tells the flashing tool where each partition (Preloader, Recovery, System) starts and ends. It tells the flashing tool where each partition
This happens when the LCD driver in the universal firmware doesn't match your screen. You may need to swap the lk.bin (Uboot) file from your original backup.