Just found my PSP. It has version 5.50 Gen-B. Don't remember when I updated it last. What is the last version and is there any reasons for me to update? Are there
PSP] Custom Firmware 5.50 Prometheus v2 - Plays 6.20 Games | Digiex
PSP Custom Firmware 5.50 Gen B2 - PSP CFW 5.50Gen B2 - video Dailymotion
PSP firmware 5.50 arrives to fulfill your every subfolder exploration need | Engadget
5.50 Prome-4 update? | GBAtemp.net - The Independent Video Game Community
PSP Custom Firmware 5.50 GEN-D3 | Techkings
Install PSP Custom Firmware 5.50 GEN-D
Custom Firmware 5.50 Prometheus install on PSP-2000 TA85 - YouTube
How do I uninstall 5.50 GEN-D3 from this silver PSP-1001? I am giving these as Christmas presents and want them all on 6.60 PRO-C2. : r/PSP