1st UMD GAME need FW2.80 ?

　
Tenchi no Mon 2: Busoden 天地之門2 武雙傳 (Chinese Version)
Tenchi no Mon 2: Busoden 天地の門2 武双伝 (JP Version)
Kingdom of Paradise 2: Busouden (US Version)
Key of Heaven 2: Busoden (EU Version)

UCAS-40116
on it's PARAM.SFO File PSP_SYSTEM_VER's Param. is 2.80
and it come with FW2.80 UpDate File

File list
disc0:/
┣PSP_GAME/
┃ ┣SYSDIR/
┃ ┃ ┣UPDATE/
┃ ┃ ┃ ┣DATA.BIN
┃ ┃ ┃ ┣EBOOT.BIN
┃ ┃ ┃ ┗PARAM.SFO
┃ ┃ ┣BOOT.BIN
┃ ┃ ┗EBOOT.BIN
┃ ┣USRDIR/
┃ ┃ ┣fstream/
┃ ┃ ┣kmodule/
┃ ┃ ┃ ┗2.6.0/
┃ ┃ ┣module/
┃ ┃ ┃ ┣2.6.0/
┃ ┃ ┃ ┗2.7.1/
┃ ┃ ┣movie/
┃ ┃ ┃ ┗CHI/
┃ ┃ ┣sdata/
┃ ┃ ┗TKCM2.BIN
┃ ┣ICON0.PNG
┃ ┣ICON1.PMF
┃ ┣PARAM.SFO
┃ ┣PIC1.PNG
┃ ┗SND0.AT3
┗UMD_DATA.BIN

UMD_DATA.BIN
UCAS-40116|AE4556BB77B9DCBA|0001

PARAM.SFO
=============================================================================
PlayStation Portable PSF File Data
=============================================================================

Filename : disc0:\PSP_GAME\PARAM.SFO

Start of section labels : b4
Start of section data : 120
Unknown header data : 01 01 00 00
Number of Sections : 10

Sect Loff Doff Dsiz Duse Dtyp Unkn Label Value
=============================================================================
0 0000 0000 0004 0004 04 0004 BOOTABLE = 1
1 0009 0004 0004 0003 02 0004 CATEGORY = UG
2 0012 0008 0010 000a 02 0004 DISC_ID = UCAS40116
3 001a 0018 0004 0004 04 0004 DISC_NUMBER = 1
4 0026 001c 0004 0004 04 0004 DISC_TOTAL = 1
5 0031 0020 0008 0005 02 0004 DISC_VERSION = 1.01
6 003e 0028 0004 0004 04 0004 PARENTAL_LEVEL = 5
7 004d 002c 0008 0005 02 0004 PSP_SYSTEM_VER = 2.80
8 005c 0034 0004 0004 04 0004 REGION = 32768
9 0063 0038 0080 0018 02 0004 TITLE = 天地之門2 武雙傳
=============================================================================