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Brand- By2
Model- 9899
Androide- 4.4.2
Chip- MT6582
Password Protected
MT6582__BY2__9899__9899__4.4.2__ALPS.KK1.MP1.V2.10
MT6582__BY2__9899__9899__4.4.2__ALPS.KK1.MP1.V2.10
This firmware 100% tested & not free
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