Every PSP Official Firmware

Official Firmware

Starting at version 6.10, a second branch of downloadable firmware is introduced for the PSP Go.

1.x Series Downloads

• PSP OFW 1.50
• PSP OFW 1.51
• PSP OFW 1.52

2.x Series Downloads

• PSP OFW 2.00b
• PSP OFW 2.01
• PSP OFW 2.50
• PSP OFW 2.60
• PSP OFW 2.70
• PSP OFW 2.71
• PSP OFW 2.80
• PSP OFW 2.81
• PSP OFW 2.82

3.x Series Downloads

• PSP OFW 3.00
• PSP OFW 3.01
• PSP OFW 3.03
• PSP OFW 3.10
• PSP OFW 3.11
• PSP OFW 3.30
• PSP OFW 3.40
• PSP OFW 3.50
• PSP OFW 3.51
• PSP OFW 3.52
• PSP OFW 3.70
• PSP OFW 3.71
• PSP OFW 3.72
• PSP OFW 3.73
• PSP OFW 3.80
• PSP OFW 3.90
• PSP OFW 3.93
• PSP OFW 3.95

4.x Series Downloads

• PSP OFW 4.00
• PSP OFW 4.01
• PSP OFW 4.05

5.x Series Downloads

• PSP OFW 5.00
• PSP OFW 5.01
• PSP OFW 5.02
• PSP OFW 5.03
• PSP OFW 5.50
• PSP OFW 5.51

6.x Series Downloads

• PSP OFW 6.00
• PSP OFW 6.10
• PSP OFW 6.20 = PSP and PSPGo (Japan Update Only)
• PSP OFW 6.20 = US Only
• PSPGo OFW 6.20 = US Only
• PSP OFW 6.30
• PSP OFW 6.31
• PSP OFW 6.35
• PSP OFW 6.37
• PSP Go OFW 6.37
• PSP OFW 6.38
• PSP Go OFW 6.38
• PSP OFW 6.39
• PSP Go OFW 6.39
• PSP OFW 6.60
• PSP Go OFW 6.60

Source