prepare for the next step to change ROM

The link show the procedure I can only remember one of the video and try the following by doing a file run F:\VIEWPAD\Super1click1.7\adb.exe shell
$ cat /proc/mtd
cat /proc/mtd
dev: size erasesize name
mtd0: 00500000 00020000 "boot"
mtd1: 00200000 00020000 "misc"
mtd2: 00080000 00020000 "splash"
mtd3: 00500000 00020000 "recovery"
mtd4: 00500000 00020000 "ftm"
mtd5: 01a00000 00020000 "hidden"
mtd6: 00060000 00020000 "dbgmsk"
mtd7: 0a000000 00020000 "system"
mtd8: 00200000 00020000 "misc2"
mtd9: 05800000 00020000 "cache"
mtd10: 0ab80000 00020000 "userdata"

$ cat /dev/mtd/mtd0 > /sdcard/boot.img
cat /dev/mtd/mtd1 > /sdcard/misc.img
cat /dev/mtd/mtd2 > /sdcard/splash.img
cat /dev/mtd/mtd3 > /sdcard/recovery.img
.....