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Welcome to today’s guide on how to download Eurostar Onyx 3 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 Eurostar Onyx 3.
Downloads:
Firmware name: Eurostar_Onyx_3_M20_ES5515_MT6580_V5_V1.0.4_5.1.zip
Eurostar Model: Eurostar Onyx 3
Android version: 5.1
File Size: 750MB