YBZ R4 MT6572 Firmware ROM (flash file). Free download the latest Stock ROM for YBZ R4. Operating system optimization, hang logo fix , bootloop fix , and unbrick,…Besides, firmware also help you to remove password and bypass FRP….

Download firmware for YBZ R4:
YBZ_R4_MT6572_M01_20160920 | AFH
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Tool:
SP Flash Tool for Windows – Latest