Grand X3 3G MT6572Firmware ROM (Flash File). Free download the latest Stock ROM for Grand X3 3G. Operating system optimization, hang logo fix , bootloop fix , and unbrick,…Besides, firmware also help you to remove password and bypass FRP….
Download firmware for Grand X3 3G:
Grand_X3_3G_MT6572_31032016 | AFH – Mshare
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Tool:
SP Flash Tool for Windows – Latest