[8125, K-JAM, P4300, MDA Vario Software Upgrading] arc:
The Device Typhoon/Tornado/Wizard use the alike method of the building of the file nk.nbf.

The Headline where is found information on section and other data.

See http://wiki.xda-developers.com/index.php?pagename=TyphoonNbfFormat.

For Typhoon (ROMUpdateUtility) to versions from 0.9.õõ before 1.2.õõ had a size of the headline 200(Hex) byte.

See

Offset 0 1 2 3 4 5 6 7 8 9 A B C D E F

00000000 48 54 43 00 00 00 00 00 00 00 00 00 00 00 00 00 HTC
00000010 53 54 32 30 43 00 00 00 00 00 00 00 00 00 00 00 ST20C
00000020 31 2E 31 2E 32 33 2E 38 34 00 00 00 00 00 00 00 1.1.23.84
00000030 47 45 52 4D 41 4E 00 00 00 00 00 00 00 00 00 00 GERMAN
00000040 31 2E 31 2E 32 33 2E 38 34 00 00 00 00 00 00 00 1.1.23.84
00000050 53 50 4C 00 00 00 00 00 00 00 00 00 00 00 00 00 SPL
00000060 00 00 00 91 00 00 0C 00 87 12 BF 95 49 50 4C 00 ‘ ‡ ¿•IPL
00000070 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 90 
00000080 00 08 00 00 1B 4C 75 C2 53 70 6C 61 73 68 20 53 LuÂSplash S
00000090 63 72 65 65 6E 00 00 00 00 00 00 92 00 00 02 00 creen ’
000000A0 F9 06 9C 02 47 53 4D 00 00 00 00 00 00 00 00 00 ù œ GSM
000000B0 00 00 00 00 00 00 00 96 00 00 29 00 6F A2 23 76 – ) o¢#v
000000C0 4F 53 00 00 00 00 00 00 00 00 00 00 00 00 00 00 OS
000000D0 00 00 04 82 00 00 B0 01 94 5A 37 4D 00 00 00 00 ‚ ° ”Z7M
000000E0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
000000F0 00 00 00 00 00 00 00 00 05 00 00 00 11 00 00 00
00000100 54 2D 4D 4F 42 30 30 31 00 00 00 00 00 00 00 00 T-MOB001
00000110 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00000120 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00000130 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00000140 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00000150 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00000160 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00000170 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00000180 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00000190 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
000001A0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
000001B0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
000001C0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
000001D0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
000001E0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
000001F0 00 00 00 00 00 00 00 00 00 00 00 00 89 D3 7F FF ‰Óÿ

use for decryption ROM TyphoonNbfTool_03.exe.

For Typhoon (new Rom T-mobile SDA ) ,Tornado and Wizard(Prodigy) -(ROMUpdateUtility) to versions 2.0.õ have a size of the headline 400(Hex)

See

Offset 0 1 2 3 4 5 6 7 8 9 A B C D E F

00000000 48 54 43 00 00 00 00 00 00 00 00 00 00 00 00 00 HTC
00000010 50 72 6F 64 69 67 79 00 00 00 00 00 00 00 00 00 Prodigy
00000020 31 2E 36 2E 32 2E 34 00 00 00 00 00 00 00 00 00 1.6.2.4
00000030 57 57 45 00 00 00 00 00 00 00 00 00 00 00 00 00 WWE
00000040 31 2E 30 36 00 00 00 00 00 00 00 00 00 00 00 00 1.06
00000050 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00000060 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00000070 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00000080 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00000090 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
000000A0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
000000B0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
000000C0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
000000D0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
000000E0 00 00 00 00 00 00 00 00 00 00 00 00 02 00 00 00
000000F0 00 00 00 00 01 00 00 00 0C 00 00 00 11 00 00 00
00000100 57 49 5A 54 4D 4F 30 34 00 00 00 00 00 00 00 00 WIZTMO04
00000110 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00000120 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00000130 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00000140 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00000150 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00000160 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00000170 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00000180 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00000190 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
000001A0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
000001B0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
000001C0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
000001D0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
000001E0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
000001F0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00000200 07 00 00 00 49 50 4C 00 00 00 00 00 00 00 00 00 IPL
00000210 00 00 00 00 00 00 00 90 00 08 00 00 80 AE 96 39  €®–9
00000220 53 50 4C 00 00 00 00 00 00 00 00 00 00 00 00 00 SPL
00000230 00 00 00 91 00 00 0C 00 40 2B 7F DE 47 53 4D 00 ‘ @+ÞGSM
00000240 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 96 –
00000250 00 00 28 00 14 4F BE 4B 4F 53 00 00 00 00 00 00 ( O¾KOS
00000260 00 00 00 00 00 00 00 00 00 00 04 80 00 00 90 03 € 
00000270 A8 09 20 D3 53 70 6C 61 73 68 20 53 63 72 65 65 ¨ ÓSplash Scree
00000280 6E 00 00 00 00 00 00 92 00 00 03 00 6F A0 78 CB n ’ o*xË
00000290 45 78 74 65 6E 73 69 6F 6E 20 52 4F 4D 00 00 00 Extension ROM
000002A0 00 00 00 9B 00 00 A0 00 3D 4D 94 2C 48 54 43 20 › * =M”,HTC
000002B0 4C 6F 67 6F 00 00 00 00 00 00 00 00 00 00 00 9D Logo 
000002C0 00 00 01 00 A5 F0 3C 09 00 00 00 00 00 00 00 00 ¥ð<
000002D0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
000002E0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
000002F0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00000300 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00000310 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00000320 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00000330 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00000340 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00000350 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00000360 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00000370 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00000380 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00000390 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
000003A0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
000003B0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
000003C0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
000003D0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
000003E0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
000003F0 00 00 00 00 00 00 00 00 00 00 00 00 97 AC 6C AD —¬l*

use for decryption ROM TyphoonNbfTool_04.exe.