Using the incorrect firmware version for your specific model can "brick" the device, making it completely unusable.
The is a popular utility shared within the Andromax Prime Facebook Community for flashing MIUI recovery and managing backups. Custom ROMs & Kernels: -PORTABLE- Download Firmware Andromax Prime -f17a1h-
While specific "portable" tools may vary, the general process for installing firmware on such devices involves: Using the incorrect firmware version for your specific