Requirements:

• A PSP-3000 or PSP-2000 with TA-088v3 motherboard.
• A PSP with 5.03 GEN-A installed (Instructions)
• Download: 5.03 GEN-B 
• Back up your save files (so that if they get corrupted, you still have backups)

How to Install Custom Firmware 5.03 GEN-B for ChickHEN

Before you proceed to installing custom firmware 5.03 GEN-B, you need to install 5.03 GEN-A on your PSP first. Click here to install GEN-A, then come back.

How to Install 5.03 GEN-B

• Make sure your PSP has 5.03 GEN-A installed.  You won’t be able to install 5.03 GEN-B without it.
• Extract the 5.03 GEN-B files to your computer.
• Copy the PSP folder to your PSP’s memory stick. (Yes, just drag the whole folder there)
• Disconnect the PSP from USB
• Run 5.03 GEN-B Updater from under Game on your PSP’s XMB
• After all process is complete, press X. Your PSP will reboot.
• Congratulations, you’ve just installed 5.03 GEN-B.