Download Maze Alpha official stock firmware from the link here, and follow the provided flashing instructions to learn how to flash the stock ROM.
If you notice that any of the links provided below is broken or doesn’t work, please post in comments section so we fix and update it ASAP.
File Name: Maze_Alpha_V05_20170816.zip
Size: 1.56 GB
Android version: 7.0
Firmware – Download
How to flash
The flashtool required to flash this firmware and flashing instructions are contained in the firmware download folder.
Download firmware from above link and follow the instructions to properly flash.