Default (Q) Zopo Bluetooth Issue


i have a Zp990 and Zopo 998 (zp9520)
there i have the issue when iam connected to my car Radio over Bluetooth i cant skip the Track.
My S4 and Note3 dont have this issue. there i can skip the track and go a track back.

but on the chinese Phones iam not able to skip the track.
4.2.2 is Installes on both zopo devices...

have someone an Idea?