mio moov 300 frozen screen help

hi
I have a problem with a Mio Moov 300
after we've charged the battery appeared message below
http://www.youtube.com/watch?v=FFR5UBK38s0
http://www.youtube.com/watch?v=0xJH2JCVUuQ
likely to internal memory erased
can you help me with a firmware or flash with a scheme or any venita good idea is to rewrite internal memory
probably can use JTAG configuration I need Pinior after motherboard able to connect to the interface
motherboard
PWA. COBIAT300_MB
PCB. 316168400001_R01
ASSY. 411168400005

did you repair your device?
i have the same device and the same problem.
i did not find how to resolve it.
if you made it, please tell me.
thanks!

i have same problem with c620.