Yes, it is possible, i have found these guides:
1. From 1.50 to 3.52 M33
2. To 3.52 M33-4
3. From 3.52m33-4 to 4.01 M33-2 and kernel 1.50 (english)
I'm moving from 1.5 to 3.52 M33 at the moment, i'll let you know how it happened ^_-
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Yes, it is possible, i have found these guides:
1. From 1.50 to 3.52 M33
2. To 3.52 M33-4
3. From 3.52m33-4 to 4.01 M33-2 and kernel 1.50 (english)
I'm moving from 1.5 to 3.52 M33 at the moment, i'll let you know how it happened ^_-
I think that after you have installed at least 3.52 M33-4, you can upgrade to any version you want. I suggest to take the latest one, which is the one you mentioned, 4.01 M33-2.
Don't forget also to install the 1.50 kernel addon for your custom firmware, as you'll need it for running almost all homebrew software.
I've followed the 3 guides and now i'm running firmware 4.01 m33-2 and kernel 1.50. I've tried snes9cTYL and it works perfectly :D
Excellent, it just shows that what looks and sounds like a scary process, is in fact, quite an easy process - as long as you follow the instructions (and get the software required from a reliable source...)
Opens up a whole new world of gaming...
Now if only I could get Pokemon Snap working on it properly...
Yep, glad you worked it out. Now you can enjoy loads of great emulators, homebrew and games.
Amazing to play super mario world on a sony psp... My daily train trips are gonna seem shorter and shorter :thumbs: