Download InFocus M370i official firmware from the link here, and follow the provided flashing instructions to learn how to flash the stock rom.
There are four (4) stock roms in this post. One is Android 6.0 while the other two is Android 5.0.
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.
Download Options
File Name:FAO-1160-0-00WW-A01.rar
Size: 1 GB
Android version: 5.0
Firmware – Download
File Name: Infocus_M370i_5.0_FAO-1160-0-00WW-A01.zip
Size: 1.35 GB
Android version: 5.0
Firmware – Download
File Name: Infocus+M370i-update.zip
Size: 1 GB
Android version: 5.0
Firmware – Download
File Name: Infocus_M370i_Marshmallow_update.zip
Size: 813 MB
Android version: 6.0
Firmware – Download
How to flash
After downloading the Flashtool firmware, follow the instructions here to flash.