Thursday, March 10, 2011

Grandstream GXP2000 #2 - Firmware header

$ bfsize gxp2000a.bin
810112

$ hd -n $((0x1f0)) gxp2000a.bin
00000000 00 06 2e 40 09 59 01 01 00 63 07 d6 06 02 11 2f |...@.Y...c.Ö.../|
00000010 67 78 70 32 30 30 30 61 2e 62 69 6e 00 00 00 00 |gxp2000a.bin....|
00000020 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
*
000001f0

Firmware size:

$ echo $((0x00062e40*2))
810112

Build date year:

$ echo $((0x07d6))
2006

Build date month:

$ echo $((0x06))
6

Build date day:

$ echo $((0x02))
2

Build date hours:

$ echo $((0x11))
17

Build date minutes:

$ echo $((0x2f))
47


Thanks to this page: GXP-2000 Firmware Hacking

No comments:

Post a Comment