Mt6572 Universal Firmware Work Verified Here
Recommended for universal firmware; it wipes the device and installs the new OS.
For a firmware to work, it must match your device’s specific hardware components, even if the brand name is different. The firmware must align with: mt6572 universal firmware work
An incompatible ROM will cause the camera app to crash. Recommended for universal firmware; it wipes the device
To install firmware on an MT6572 device, you will need a specific set of tools on a Windows PC: Recommended for universal firmware
Your device is an unbranded "clone" or from a defunct manufacturer.
Ensure your phone has at least 50% battery. Turn the device off completely. Step 2: Install Drivers
The industry standard for MediaTek devices.