Video slow playing

[BilalK]

Hello, I have problem

I use xperia z3, I loaded from SD card avi and mkv film, but when I play video app, voice behind, view next, I used mx player same, I used bs player voice and view stabil but slow, I played SD card same, i played internal memory same, I can't play film, I try another phones, no problem. I try wipe reset, try another film formats, but problem same. Pls help me. Tnx 

[Uliwooly]

@BilalK

What if you transfer the video with MediaGo?

[BilalK]

No, copy and paste, first copy SD card and paste internal memory

[Uliwooly]

@BilalK

Try transferring through media go from a computer 

[BilalK]

Ok, but I have flash disk, I plugg another phones no problem, I plugging mine very slow and not stable. I will try media go, tnx, but must be play directly, why not working interesting, tnx again

[Uliwooly]

@BilalK

I dont know but you can contact Sony directly 

http://support.sonymobile.com/global-en/contactUs/