How to install PSP firmware to MS for devhook 0.50.0000
1.copy "MS_ROOT/*" of devhook to "ms0:/"
2.copy unpacked FW2.71updater file to "ms0:/DATA.PSAR"
3.run "PSAR Dumer V2B(2.80 or 3.00)" and press square button.
4.copy "ms0:/F0/kd/audio.prx" to keep your folder.
5.delete "ms0:/F0" folder.
6.copy unpacked FW2.82 updater file to "ms0:/DATA.PSAR"
7.run "PSAR Dumer V2B(2.80 or 3.00)" and press cross button
8.move "ms0:/F0/*.*" to "ms0:/dh/282/F0/*.*"
9.run "DEVHOOK0.50 ENG launcher" from XMB.
10.if devhook files are installed to flash1 then uninstall it first.
11.select "FLASH ROM" > "flash1: < ms0: install configfile" and press circle long.
12.select "FIRMWARE" > "FW2.82"
13.select "START" then reboot PSP.
14.repare setting and reboot again.
AQUI esta el firm 2.82
AQUI el PSAR Dumper V2B
...Por lo que veo está un poco verdecillo...A ver lo que haceis, que luego hay desgracias...