This captioned video teaches user how to use a freely used cloud software "Wi-Fi Doctor", which is proudly developed by Yfisoft Limited.* a; G$ k y, N( d% Q
' ^, s. T$ Q+ M* `. r- b7 a5 ?User manual on Youtube:7 y' F& ]8 h0 _$ K$ F0 _ t6 p7 Y https://www.youtube.com/watch?v=k5VKiexTyGc , a) U0 K2 K) Q! r& R2 ?, ?- M2 \! G% p @
For enquiries, you may contact Yfisoft Limited at (852) 3524 7258 or email info@yfisoft.com.