IMEI null is common. Here’s the fix:

The MT6572 is a legacy dual-core chipset used in hundreds of generic and branded devices. A "universal" firmware typically refers to a that can boot on multiple devices sharing the same kernel version (e.g., Android 4.2.2 or 4.4.2) and display drivers. 1. Essential Prerequisites

If you're looking for a specific piece of firmware or more detailed instructions, providing more details about your device (like the brand and model) could help in getting more precise guidance.

Flashing a "universal" file that doesn't match your specific LCD or camera driver can permanently brick the device or result in a "white screen".

: The partition tables and structural formatting required for NAND flash memory are fundamentally incompatible with eMMC storage.

The MT6572 universal firmware is a . It can pull a phone from the grave enough to see life signs, but you will almost always need to fix drivers manually afterward.

The MediaTek MT6572 is a legendary, albeit aging, system-on-chip (SoC). Released in 2013 as one of the first dual-core Cortex-A7 processors with 28nm fabrication, it powered a wave of budget Android smartphones (KitKat 4.4.4 to Lollipop 5.1). Today, these devices are mostly relegated to drawers, secondary display units, or specialized IoT projects.