This captioned video teaches user how to use a freely used cloud software "Wi-Fi Doctor", which is proudly developed by Yfisoft Limited. H. P3 s5 `% s% B, t# j
6 f- |+ p3 T8 S7 @3 v+ MUser manual on Youtube:$ d4 @" F; }# I& w3 o https://www.youtube.com/watch?v=k5VKiexTyGc! k( b5 e% k1 l. v D
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