PSP 3.00 Firmware Released AnandTech
Finally, your PSP can now start without automatically playing a UMD

Aggiornare il firmware PSP alla versione 2.0
tutta la procedura per aggiornare il firmware della PSP alla versione 2.0.
"Sony PSP system firmware 2.0 update instructions?" from the Ask
I just recently updated my Sony PSP unit to the 2.0 firmware release too, so i can step you through the procedure I used. For this one, I used the download
Come aggiornare il firmware PSP alla versione 2.0 » gamesblog
Collegati a http://www.playstation.jp/psp/update/ud_03.html e scarica il firmware 2.0 sul PC; Collega la PSP al PC usando il cavo USB; Dentro la cartella
Ritorna la PSP con l'introvabile firmware 2.0 - Videogiochi
Ritorna la PSP con l'introvabile firmware 2.0 - Videogiochi -, tutto quello che c'è da sapere su Ritorna la PSP con l'introvabile firmware 2.0 - Videogiochi
QJ.NET - QuickJump Home - PlayStation Portable News - PSP Updates
PlayStation Portable News- 24/7 Coverage of the Latest PSP Homebrew, Games, Just click the download link below. Download: [3.02 DH Firmware Installer]
Article Detail - PlayStation Portable News - PSP Updates
2.0-2.80 Firmware PSP's Say - "Hello World" as New Exploit is Found! Download: [Hello World Application for 2.0-2.80 PSP's]
Macworld: News: Sony to release PSP 2.0 firmware update Aug. 12
Sony plans to release its PSP 2.0 firmware update for North American users on on the PSP, and will be available for download from Sony’s Web site.
PI: Bucato il nuovo firmware PSP
Far girare programmi autoprodotti su PSP? Un anonimo programmatore ha individuato e sfruttato con successo una falla critica nel firmware 2.0
Download MPH 2.0 -> 1.50 PSP Firmware Downgrader
MPH 2.0 -> 1.50 PSP Firmware Downgrader: Buy and download legal Hacks & Exploits - Hacks & Exploits - PSP from QuickJump Website.
GamesFirst! || PSP 2.0 Firmware Homebrew Loader Released | EBoot
Fortunately, you can download the 2.0 PSP Firmware from a reputable PSP homebrew/hacking site like PSPUpdates.com. Then, follow the instructions about how 2.0+download+firmware+psp: , , , , 2.0+download+firmware+psp