Safest Downdate From Version 2.60 to 1.50?

[weirdelf]

Yep that is the safest way to do it.

[Cloudhunter]

When you are using that guide application I linked, tell it you have 2.80 firmware or above. It will then talk you through it.

Cloudy

[Mr. Master D. Evil]

I have now the 1.50 Version =)
REALLY REALLY HUGE HUGE HUG (and a thanks) to everyone who has helped me =)
I now wonder if I should update to costume 3.03 or 3.10 version =/ whats the risks? should I update to 3.03 before 3.10? =o

[Axelius]

Custom firmwares are great! They give you the advantages of the new Sony firmwares without losing the ability of using homebrew.
There is only a really small risk when upgrading to a custom firmware (even smaller than downgrading)
If you want custom XMBs and stuff like that you should get 3.03OE, otherwise get 3.10OE because the PSX emulator is a little better.
I went straight to 3.10OE without any problems from 1.50.

By the way: How did you get to 1.50 now? Have you downgraded from 2.60, 2.71, 2.80 or 3.03??

[weirdelf]

It depends. The main advantage of custom firmware is it has a built in psx emulator. Firmware 3.03 oe-c also allows you to customize your whole xmb and completely revamp your psp. Firmware 3.10 oe, however, has support for european psx games as well as american ones. On 3.10 oe, you can customize a lot of things but not everything. So the choice is:
3.03 oe-c: Customization of all of xmb and american psx game emulator.
3.10 oe-a: Customization of most of xmb and american and european psx game emulator.

[ExcruciationX]

Also, if you're going to upgrade, use my pack.

[Mr. Master D. Evil]

hmm... sounds like I should pick 3.10 OE =o

well, what I did is maybe smart to write on the forum to other users =)
what I did:
First I added the 3.03 update EBOOT.PBP file in the *:\PSP\GAMES\ folder =)
Then I updated to 3.03.
Then I formated the memory stick and reseted the PSP some times and stuff and formated again to be sure... then I used the extract file to extract 1.50 downgrade files into their right places from the same folder as the 3.03 update file was in.
Then I downgraded.
everything went fine! I didnt have to prompt anything, and no black screen or something =o
I had the network error thingie, just had to configurate dates and stuff again! pretty easy =/
I have now formated the memory stick once again!

did i miss anything? >_< most things was explained well in the PSPUpandDownAIOv1.5.exe file =)

[weirdelf]

Don't think so.