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Welcome to today’s guide on how to download Vertex Calypso 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 Vertex Calypso.
Downloads:
Firmware name: Vertex_Calypso_MT6737M_20171229_7.0.zip
Vertex Model: Vertex Calypso
Android version: 7.0
File Size: 1GB
Follow this step to flash the file