PSP-Hacks.com
Top 10 PSP Downloads
1. 1.50 EBOOT (13.22MB - 2,688,343 downloads)
1.50 firmware EBOOT upgrade
2. 5.00 Firmware Update (25.83MB - 1,206,225 downloads)
PSP Firmware 5.00 Update
3. PSP 3.71 Firmware Update (22.54MB - 860,730 downloads)
Sony PSP 3.71 FW Update
4. PSP 3.52 Firmware Update (20.55MB - 859,697 downloads)
PSP 3.52 firmware update
5. PSP ISO Compressor v1.4 (349KB - 819,398 downloads)
A Windows front end supporting several ISO compression formats.
6. 4.01 Firmware Update (24.44MB - 813,789 downloads)
PSP Firmware 4.01 Update
7. 3.90 Firmware Update (24.45MB - 801,060 downloads)
PSP Firmware 3.90 Update
8. 5.50 Firmware Update (26.26MB - 701,972 downloads)
PSP Firmware 5.50 Update
9. UMD DUMPER (95KB - 692,448 downloads)
v0.2.0 Creates an ISO image of the UMD contents and copies to your PSP's memory stick, supports pausing/splitting.
10. PSP 3.40 Firmware Update (21.01MB - 678,024 downloads)
PSP 3.40 firmware update