X-BO K800 4.4.2 MT6572 Firmware ROM (Flash File). Free download the latest Stock ROM for X-BO K800 4.4.2. Operating system optimization, hang logo fix , bootloop fix , and unbrick,…Besides, firmware also help you to remove password and bypass FRP….

Download firmware for X-BO K800 4.4.2:
X-BO_K800_4.4.2_MT6572_V1.06_2015092 | AFH – Mshare
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Tool:
SP Flash Tool for Windows – Latest