This captioned video teaches user how to use a freely used cloud software "Wi-Fi Doctor", which is proudly developed by Yfisoft Limited. ' g/ Y6 n1 c# `/ R! k# u0 o6 |' ~; Z
User manual on Youtube: - w0 @5 `5 ~3 d( J: Ahttps://www.youtube.com/watch?v=k5VKiexTyGc w6 \: k9 J9 d) E( s* \ + n$ T1 {/ o# A3 [5 v! I5 [/ UFor enquiries, you may contact Yfisoft Limited at (852) 3524 7258 or email info@yfisoft.com.