Default Mediabox android 4.0 recovery+root

hello

i have an android DVBS2 mediabox running 4.0

AMLOGIC MESON3 8726M SKT SH
ARM Cortex-A9 uni-core, 1GHz frequency
ARM Mail-400GPU processor

0x000000800000-0x000001800000 : "aml_logo"
0x000001800000-0x000002800000 : "recovery"
0x000002800000-0x000003c00000 : "boot"
0x000003c00000-0x000023e00000 : "system"
NAND bbt detect factory Bad block at 5a00000
0x000023e00000-0x000025e00000 : "hide"
0x000025e00000-0x000031e00000 : "cache"
0x000031e00000-0x000051e00000 : "userdata"
0x000051e00000-0x000100000000 : "NFTL_Part"


anyone could help with custom recovery and root access
i have done some logs :-
_pastebin.com/03vdQf8d
_pastebin.com/ZcFM8wYb

here is Firmware for this device .
_mediafire.com/download/60fn1kb9ckmy72y/ota-full-update-mid-se02-release-2013.12.31-13.34.zip