Any System Image pull out and find in Android

Before 4.0 and 4.0

* Need IT's Rooted Device *


1. adb shell su -c "mount"
2. adb shell su -c "cat /proc/mtd
Now show list of your system img where stay
example : boot.img = /dev/block/mtdblock7
so you can pull out from there .. here ..
3. adb shell su -c "chmod 777 /dev/block/mtdblock7"
4. adb shell su -c "dd if=/dev/block/mtdblock7 of=/storage/sdcard0/boot.img"
(of=/storage/sdcard0/ .. this location may b change you can look at "mount" )

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After 4.1 or mmc

1. adb shell su -c "mount"
2. adb shell su -c "cat /cache/recovery/last_log"
Now show list of your system img where stay
example : boot.img = /dev/block/mmcblk0p7"
so you can pull out from there .. here ..
3. adb shell su -c "chmod 777 /dev/block/mmcblk0p7"
4. adb shell su -c "dd if=/dev/block/mtdblock7 of=/storage/sdcard0/boot.img"
(of=/storage/sdcard0/ .. this location may b change you can look at "mount" )

For someone dont' know

thanks all ...