[Android] navneetasnavi:
DUMPING

Dumping ROM​

Dumping (at adb shell)

1.) via dd:

dd if=/dev/block/mtdblock0 of=/mnt/external_sd/dd.out/misc.img

8192+0 records in
8192+0 records out
4194304 bytes transferred in 0.677 secs (6195426 bytes/sec)

dd if=/dev/block/mtdblock1 of=/mnt/external_sd/dd.out/kernel.img

32768+0 records in
32768+0 records out
16777216 bytes transferred in 1.734 secs (9675441 bytes/sec)

dd if=/dev/block/mtdblock2 of=/mnt/external_sd/dd.out/boot.img

32768+0 records in
32768+0 records out
16777216 bytes transferred in 2.665 secs (6295390 bytes/sec)

dd if=/dev/block/mtdblock3 of=/mnt/external_sd/dd.out/recovery.img

32768+0 records in
32768+0 records out
16777216 bytes transferred in 1.340 secs (12520310 bytes/sec)

dd if=/dev/block/mtdblock4 of=/mnt/external_sd/dd.out/backup.img

786432+0 records in
786432+0 records out
402653184 bytes transferred in 69.198 secs (5818855 bytes/sec)

dd if=/dev/block/mtdblock8 of=/mnt/external_sd/dd.out/system.img

1048576+0 records in
1048576+0 records out
536870912 bytes transferred in 57.050 secs (9410533 bytes/sec)

/data/busybox-armv7l_1.21.1 ls -ltr /mnt/external_sd/dd.out/

-rwxrwxr-x 1 1000 1015 4194304 Oct 27 21:09 misc.img
-rwxrwxr-x 1 1000 1015 16777216 Oct 27 21:12 kernel.img
-rwxrwxr-x 1 1000 1015 16777216 Oct 27 21:14 boot.img
-rwxrwxr-x 1 1000 1015 16777216 Oct 27 21:15 recovery.img
-rwxrwxr-x 1 1000 1015 402653184 Oct 27 21:17 backup.img
-rwxrwxr-x 1 1000 1015 536870912 Oct 27 21:27 system.img

?not really need?

dd if=/dev/block/mtdblock5 of=/mnt/external_sd/dd.out/cache.img
dd if=/dev/block/mtdblock6 of=/mnt/external_sd/dd.out/userdata.img
dd if=/dev/block/mtdblock7 of=/mnt/external_sd/dd.out/kpanic.img
dd if=/dev/block/mtdblock9 of=/mnt/external_sd/dd.out/user.img

2.) via "romdump":

cp /mnt/external_sd/romdump /data/romdump

/data/romdump

Android ROM dumper v0.82b
(c)2011 Sebastian404
Device : rk31sdk-eng 4.2.2 JDQ39 eng.linking.20130709.184313 test-keys

Creating required files... done.
Opening mtd table... done.
Dumping kernel config... sh: cat: /proc/config.gz: No such file or directory
done.
Dumping boot partition... done.
Dumping recovery partition... done.
Dumping system partition... done.
Creating Checksums... done.
Cleaning up... done.
All done.

ls -al /sdcard/romdump

-rwxrwxr-x system sdcard_rw 16777216 2013-10-27 22:46 boot.img
-rwxrwxr-x system sdcard_rw 275 2013-10-27 22:48 checksum.md5
-rwxrwxr-x system sdcard_rw 0 2013-10-27 22:46 config.gz
-rwxrwxr-x system sdcard_rw 16777216 2013-10-27 22:46 recovery.img
-rwxrwxr-x system sdcard_rw 1507 2013-10-27 22:46 system.info.gz
-rwxrwxr-x system sdcard_rw 373034496 2013-10-27 22:48 system.tar

cp /sdcard/romdump/boot.img /mnt/external_sd/romdump.out/boot.img

cp /sdcard/romdump/checksum.md5 /mnt/external_sd/romdump.out/checksum.md5

cp /sdcard/romdump/config.gz /mnt/external_sd/romdump.out/config.gz

cp /sdcard/romdump/recovery.img /mnt/external_sd/romdump.out/recovery.img

cp /sdcard/romdump/system.info.gz /mnt/external_sd/romdump.out/system.info.gz

cp /sdcard/romdump/system.tar /mnt/external_sd/romdump.out/system.tar

ls -al /mnt/external_sd/romdump.out

-rwxrwxr-x system sdcard_rw 16777216 2013-10-27 23:15 boot.img
-rwxrwxr-x system sdcard_rw 275 2013-10-27 23:15 checksum.md5
-rwxrwxr-x system sdcard_rw 0 2013-10-27 23:15 config.gz
-rwxrwxr-x system sdcard_rw 16777216 2013-10-27 23:15 recovery.img
-rwxrwxr-x system sdcard_rw 1507 2013-10-27 23:15 system.info.gz
-rwxrwxr-x system sdcard_rw 373034496 2013-10-27 23:16 system.tar