I hawe backup and bacup tool for :
SinoWealth SH86280
PCB : SH86280_DongSheng_502_PGED_V1.1 2008\09\4
MEMORY: SAMSUNG 843 K9GAG08U0M
Display: XY-1.8CCV2 (ROHS)
FM Module : RD2008 QJT2 4708
But i hawe same problem i cant't flash it : chna hackers make fake memory size :evil:
no disk in the drive ......
i try many things shuch formatting, pinshorting, same result....
i can't register here some firmware if you spick chinise register and plase downoad and
reupload somwere .Here link:
http://www.zhxqsam.com/thread-25932-1-1.html