PSP-Hacks.com
Top 10 PSP Downloads
1. 1.50 EBOOT (13.22MB - 2,686,765 downloads)
1.50 firmware EBOOT upgrade
2. 5.00 Firmware Update (25.83MB - 1,170,283 downloads)
PSP Firmware 5.00 Update
3. PSP 3.52 Firmware Update (20.55MB - 856,370 downloads)
PSP 3.52 firmware update
4. PSP 3.71 Firmware Update (22.54MB - 855,064 downloads)
Sony PSP 3.71 FW Update
5. 4.01 Firmware Update (24.44MB - 805,558 downloads)
PSP Firmware 4.01 Update
6. PSP ISO Compressor v1.4 (349KB - 803,553 downloads)
A Windows front end supporting several ISO compression formats.
7. 3.90 Firmware Update (24.45MB - 797,216 downloads)
PSP Firmware 3.90 Update
8. UMD DUMPER (95KB - 686,138 downloads)
v0.2.0 Creates an ISO image of the UMD contents and copies to your PSP's memory stick, supports pausing/splitting.
9. PSP 3.40 Firmware Update (21.01MB - 674,077 downloads)
PSP 3.40 firmware update
10. 5.50 Firmware Update (26.26MB - 636,584 downloads)
PSP Firmware 5.50 Update