I don't know if you guys know about this , but a new homebrew store has been made for the PSP and surprisingly it works on adrenaline too. So I thought I
PSP 6.61 Custom Firmware Install on any PSP - PSP, PSP Slim, PSP 3000, PSP Go & E1000 | Digiex
Picked up a PSP-1000 on firmware 1.0. Any reason to NOT be on 6.61? : r/PSP
Release: Infinity 2.0 – Enables Permanent 6.6x Custom Firmware for all PSPs! - Wololo.net
How to Mod Any PSP on Firmware 6.61 or Lower! - Infinity 2.0 Permanent CFW - The GamePad Gamer
How To Install 6.61 PRO C2-CFW On PSP Using Android Phone! - YouTube
Release: Infinity 2.0 – Enables Permanent 6.6x Custom Firmware for all PSPs! - Wololo.net
Bought a PSP, trying Homebrew, looking for games - Community Blog - Level1Techs Forums
How to Mod Any PSP on Firmware 6.61 or Lower! - Infinity 2.0 Permanent CFW - The GamePad Gamer
Release: Infinity 2.0 – Enables Permanent 6.6x Custom Firmware for all PSPs! - Wololo.net
Infinity 2.0 released for the PSP, allows for persistent CFW on all models of PSPs on 6.60 and 6.61 | GBAtemp.net - The Independent Video Game Community
List of Homebrew PSP Games: Best Homebrew games for PSP