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