HELP PLEASE I CAN'T SLEEP .

I have the avic s1 i can't set it work again by all your posts so this the all image of this prob

1 - i downloaded the 2 files ( winceimg.img and winceimg.bin )

2 - i unrared the files to the SDCARD not in a folder

3 - i insert the sdcard in my avic-s1 when the devis power off

4 - i turn it on and i see the black screen

5 - i press and hold menu botton and see the blue screen

6 - i chose [ 0=WINCE Upgrade --------> 3=WINCE by SD/MMC(format) ]

7 - finally i see WINCE Upgrade by SD then the device freeeeeeez

8 - i change the step NO [ 6 ] to 2=WINCE by SD/MMC and it freeeeeeez again

9 - then i try the other way to do so i change the step NO [ 6 ] to 3= OtherTools -----> 1=ROM Checksum

10- it desply that info

IPL+UBOOT Region

Checksum = 0x01e4939d

Image Region

Checksum = 0x7a83bf29

Any key to continue

now anyone can help me for this assue to restore the device

and tell me about what is the UBOOT Option ?

i get tired and can't sleep because i stay waiting your help

thanks for your time and for your help