Grand O2 MT6580 Firmware ROM (Flash File). Free download the latest Stock ROM for Grand O2. 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 O2:
Grand_O2_MT6580_V1.4_20161110 | AFH – Mshare
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Tool:
SP Flash Tool for Windows – Latest