This captioned video teaches user how to use a freely used cloud software "Wi-Fi Doctor", which is proudly developed by Yfisoft Limited. $ V% I/ ^2 I5 x$ v! U) ~. R ) P, H9 a- @8 C* E* Z, JUser manual on Youtube:& E5 ]& A$ S2 v5 @' S https://www.youtube.com/watch?v=k5VKiexTyGc1 f6 f1 q/ }8 ?7 w2 @
4 P9 z$ F+ q1 c* C
For enquiries, you may contact Yfisoft Limited at (852) 3524 7258 or email info@yfisoft.com.