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
CFW 5.50 Promethues-4 @ PSP工具大百科:: 隨意窩Xuite日誌
Custom Firmware 5.50 Prometheus install on PSP-2000 TA85 - YouTube
Sony PlayStation Portable PSP 2000 IS Ice Silver Handheld Console only Very Good 4948872411530 | eBay
sony psp 1006 with issue for Sale in Manila, National Capital Region Classified | PhilippinesListed.com
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Prometheus-4 for 5.00 M33, 5.03 GEN-C and 5.50 GEN-D3
Install PSP 6.61 Pro-C Infinity Custom Firmware | Page 6 | GBAtemp.net - The Independent Video Game Community