[sid2512]

hello
before i charged my mp5 sunplus 3050/3052A,since yesterday i leave it for charching,and when i comme back to take my mp5,ifound it off ,that is not in usual ,battery charged ,i used it ,but when i tryed to turn off i cant, better empty,it stay looping betwen turn off and turn on, i tryed to charge battery ,it dont show me the screen that i sow it before ,but no thing black screen,even the orange lamp stay off ,before it was on when i plug in the battery charger,and green when i unplug the battery charger. by the way i tryed to extract or upgrade the firmware but no thin ,my pc dont reconize my mp5 as device, it reconize as drive I and H.
THINKS.