Install PSP 5.03 GEN-B Custom Firmware
If you want to install custom firmware on your PSP, read this guide on how to install custom firmware After installing custom firmware, you can update your PSP to the latest stable version, PSP 5.03 GEN-B Custom Firmware
How to Install Custom Firmware 5.03 GEN-B for ChickHEN

How to get custom firmware on your PSP
How do you get custom firmware so you can play free PSP games? Follow these steps:
- Check if your PSP supports custom firmware by reading the CFW compatibility guide.
- If your PSP is hackable, proceed to this guide on how to install custom firmware.
- If your PSP is not hackable, proceed to this guide on 5.03 GEN-A via ChickHEN hack or Custom Firmware Enabler via ChickHEN hack.
If you already have custom firmware, you may want to update to the following firmwares. Do note that some games require specific firmware versions and a few others require the latest firmware version (5.50) to even run.
- 5.00 M33 (requires 500.pbp)
- 5.03 GEN-A or Custom Firmware Enabler/5.03 MHU (requires 503.pbp)
- 5.50 GEN-B or 5.50 MHU (requires 550.pbp)
Once you’ve had everything sorted out, you’re now ready to download free PSP games.




