Official Firmware
Starting at version 6.10, a second branch of downloadable firmware is introduced for the PSP Go.
1.x Series
- Version 1.50
- Version 1.51
- Version 1.52
2.x Series
- Version 2.00b
- Version 2.01
- Version 2.50
- Version 2.60
- Version 2.70
- Version 2.71
- Version 2.80
- Version 2.81
- Version 2.82
3.x Series
- Version 3.00
- Version 3.01
- Version 3.03
- Version 3.10
- Version 3.11
- Version 3.30
- Version 3.40
- Version 3.50
- Version 3.51
- Version 3.52
- Version 3.70
- Version 3.71
- Version 3.72
- Version 3.73
- Version 3.80
- Version 3.90
- Version 3.93
- Version 3.95
4.x Series
5.x Series
- Version 5.00
- Version 5.01
- Version 5.02
- Version 5.03
- Version 5.50
- Version 5.51
6.x Series
- Version 6.00
- Version 6.10
- Version 6.10 (PSP Go)
- Version 6.20
- Version 6.20 (PSP Go)
- Version 6.30
- Version 6.31
- Version 6.31 (PSP Go)
- Version 6.35
- Version 6.35 (PSP Go)
- Version 6.37
- Version 6.38
- Version 6.39
- Version 6.39 (PSP Go)

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