Since many modern routers no longer support PSP security protocols, manual updating is often more reliable. How To Update Your PSP TO 6.61 Official Firmware
: Connect your PSP to a power source or ensure the battery is charged to at least 100% to prevent a system "brick" during the process. Psp 3000 Update
: Go to Settings > System Settings > System Information to see your current version. Since many modern routers no longer support PSP
: Ensure a Memory Stick Duo (minimum 64MB) is inserted. Option 1: Update via Internet : Ensure a Memory Stick Duo (minimum 64MB) is inserted
This is the simplest method if your PSP can still connect to modern Wi-Fi (note that the PSP only supports older 2.4GHz WPA/WEP security). Navigate to on the far left of the XMB menu. Select System Update at the top. Choose Update via Internet and select your connection.
Follow the on-screen prompts to download and install version 6.61.