my player always restart
 

My MP4 player is MPOWER
core : 9.0.48
fw : B809K8V1.3

the picture is same like this
http://www.mympxplayer.org/pafiledb/...nshots/T29.jpg


i have a problem with my player, and i don't know where the problem is, is in the keypad or the firmware.
my player always restart when i press mode button, but sometimes the player working good, and no problem when playing mp3, but it's restart again when i press mode button.

is someone know where the poblem of my mp4, it's the keypad or the firmware...?

i was trying to Dissassemble my player to fix the keypad, i have already loose all the screw, but i'm failed to open the player i don't know why, it's like sticky, i'm affraid it will break the case if i try to open hardly.

someone please tell me how to open my player case...?

sorry if my english is poor