TERMINAL 1
➜  ~ adb forward tcp:4444 tcp:5555                                                                      

TERMINAL 2
➜  ~ adb shell
~ # nc -lp 5555 | dd of=/dev/block/mmcblk0p66 bs=1M

TERMINAL 1
# 200.tar.gz to duzy plik o rozmiarze wiekszym niz partycja flash i z dobra entropia (idealnie /dev/urandom ale skompresowany tez da rade)
# 4096 * 1146880 = wielkosc mmcblk0p66 w bajtach
➜  ~ dd if=/mnt/200.tar.gz  bs=4096 count=1146880 | bar | nc -v localhost 4444
Connection to localhost 4444 port [tcp/*] succeeded!
 220.3MB at    2.7MB/s  elapsed:   0:01:23

 TERMINAL 3
 ➜  ~ dd if=/mnt/200.tar.gz  bs=4096 count=1146880 | md5sum -
 1146880+0 records in
 1146880+0 records out
 c890b97a4bceb1be4e5bd93797e06044  -
 4697620480 bytes (4,7 GB, 4,4 GiB) copied, 23,359 s, 201 MB/s

 TERMINAL 1


 TERMINAL 2
# jak dd skonczy dzialac
 ~ # echo 3 > /proc/sys/vm/drop_caches
 ~ # dd if=/dev/block/mmcblk0p66 bs=4096 count=1146880 | md5sum -
 1146880+0 records in
 1146880+0 records out
 c890b97a4bceb1be4e5bd93797e06044  -
 4697620480 bytes (4.4GB) copied, 42.988916 seconds, 104.2MB/s