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Welcome to today’s guide on how to download Positivo S421 Firmware Flash File and how to install the stock ROM on your phone.
This file can help you reset your phone for bootloop, password reset, hanging, and fix many other problems.
This file is strictly for only Positivo S421.
Downloads:
Firmware name: Positivo_S421_MT6737M_05012017.zip
Positivo Model: Positivo S421
Android version: 6.0
File Size: 992MB