This captioned video teaches user how to use a freely used cloud software "Wi-Fi Doctor", which is proudly developed by Yfisoft Limited. 0 M- ]+ i: S( a6 l6 U2 L- w( l 5 M8 M( C, d; t* P4 o1 i$ z1 uUser manual on Youtube: ; j0 l( P/ k. w: c* ?: hhttps://www.youtube.com/watch?v=k5VKiexTyGc% H( b, w. o6 d9 l- N% u+ q
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