This captioned video teaches user how to use a freely used cloud software "Wi-Fi Doctor", which is proudly developed by Yfisoft Limited. + H9 d1 t2 E& C$ l* I. ]+ T0 O ) D! y8 G! w; W! r+ y0 H) bUser manual on Youtube:% @8 { K! ~/ J# E https://www.youtube.com/watch?v=k5VKiexTyGc 3 B* ~0 z3 N6 D! j8 H& L# ~( l9 r9 u$ ?# _. n
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