1|shell@sirius:/ $ su
root@sirius:/ # dd if=/dev/zero of=/dev/block/platform/msm_sdcc.1/by-name/FOTAKernel
/dev/block/platform/msm_sdcc.1/by-name/FOTAKernel: write error: No space left on device
32769+0 records in
32768+0 records out
16777216 bytes transferred in 1.405 secs (11941079 bytes/sec)
1|root@sirius:/ # exit