» » by2 9899 MT6572 official firmware flash file 100%ok

by2 9899 MT6572 official firmware flash file 100%ok

Device Brand   : BY2
Device Model   : 9899
Device CPU     : MT6572
Device IntName : 9899
Device Version : 4.2.2
Device Project : ALPS.JB3.MP.V1
Device ExtInfo : 9899
 
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