Tecno S1M MT6580 Stock ROM Update to Marshmallow 6.0 Firmware Flash File. Here You Know All About How to Flash S1M Tecno Official Rom And Below You Can Find Installation Instructions of this Post & Free Download Link For Tecno S1M Smartphone.
Tecno S1M MT6580 Stock Firmware Android Marshmallow 6.0 ROM Update Flash File
Take a full backup before flashing Firmware
Charge your phone up to 80%
How to Install KitKat Marshmallow 6.0 For Tecno S1M
Step no 1: Download Latest Stock ROM And extract The Firmware File on your computer.
Step no 2: After Extracting Official File you will find the SP Flash Tool Computer Based Software, Update Instructions & Drivers.
Step no 3: Now Install The Latest Android USB Drivers (skip this Step If Your PC Already has a Drivers).
Step no 4: RUN the SP Smart Phone Flash Tool Software Then Select the Scatter File from the stock ROM Files folder.
Step no 5: After The Complete Setup Connect your Device to PC or laptop using the USB Data Cable.
For Complete Flashing Guideline and For Downloading Tools You Need to Follow Below LINK