You cant. Chickhen only works on 5.03 and bellow.
Now lets run ChickHEN to have a homebrew enabled environment. In your PSP go to photo then click the ChickHEN photo and wait. If the PSP jams, please retry. If it flashes colours and reboots you have loaded ChicKHEN. Check your system info to be sure it say's 5.03 ChickHEN R2.
yes, its the only firmware chickhen works with
put chickhen on pics then go to last photo and stay 4 a while
chickhen
No chickHEN is for PSP, not for PSV. There are websites out there trying to pass it off as a PSV hack though for whatever reason.
to get to the other side
chickhen ,duck
take it to the doctor
because
use chickHEN.
First, you need to update your PSP's version to 5.03. After that, Download a homebrew called "ChickHEN R2" and "e-loader". Try searching it on youtube by typing "PSP ChickHEN R2".