We Can Do That Using A Pandora Battery. You Can Give It To Any Psp Shop Or Any Other Shops For Fixing Your Psp.
Well it mostly depends on what game updates you want to delete. when i delete some updates the game progress does not delete so I'm guessing no it does not delete your progress.
Most of them are
delete the data and puted in your psp
delete all files on the psp and buy a 20volt+ battery
You can't delete playstation network from a psp.
By far the psp slim, it was the best psp of all with the lates technology without the latest updates.
Because it updates the PSP not the network.
Then you have to run custom firmware. There's a app for the PSP that's called: Explora Run that on your PSP, and you can delete, copy, open files in all folders on your PSP. Hope this helps
No, Not Unless You Delete Your Privious Updates.
Wii system updates cannot be rolled back.
Some do come with necessary system updates, yes.
first of all, skype for psp is only available on psp 2000 and 3000, on those, skype comes with the system updates