Looking to install the stock ROM on your Positivo S421? This comprehensive guide provides direct download links for the firmware flash file and clear, step-by-step instructions to get your phone back on track.
Use this firmware file to effectively reset your phone, fix bootloop issues, bypass password locks, resolve device freezing, and address numerous other software problems.
This file is strictly for the Positivo S421.
Downloads:
Firmware name: Positivo_S421_MT6737M_05012017.zip
Positivo Model: Positivo S421
Android version: 6.0
File Size: 992MB