This captioned video teaches user how to use a freely used cloud software "Wi-Fi Doctor", which is proudly developed by Yfisoft Limited. * ?) \" K% j( I2 P9 W2 e7 o! H* ^) M/ ^
User manual on Youtube:3 M4 |5 X1 w+ M- B/ |$ p. g# O https://www.youtube.com/watch?v=k5VKiexTyGc 1 J. p; E. F4 ^/ z% y/ ]9 ?" y( Y5 n& }( q+ z; E/ M2 s `
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