your player would be using the v9.0.xx series firmwares here
http://www.mympxplayer.org/actions-9...mare-dc37.html
i'll suggest that you try all the firmwares for your screen size. If none of them work, there is nothing much you can do except to wait or get an exchange from uxcell if possible. I'm not sure about uxcell's policy regarding wrong firmware updates, you'll need to contact them regarding this.