How to install 3.71 on BRICKED PSP Slim?!

[and_boy]

Hi! New PSP Slim bricked so you could help
Maybe I could in someway return and install 3.71 (or 3.60 etc.)?

[crcro]

you should use pandora battery and try to restore your psp to a working one.

good luck!

[and_boy]

Omg, it didn't work.
So what I must wait? 3.71 downgrader?

[ps2w1zard]

Сообщение от and_boy Omg, it didn't work. So what I must wait? 3.71 downgrader?

Сообщение от crcro you should use pandora battery and try to restore your psp to a working one. good luck!

.....

[KeyofBlueS]

Pandora's Battery can't downgrade or unbrick PSP Slim for now.

[ps2w1zard]

Сообщение от KeyofBlueS Pandora's Battery can't downgrade or unbrick PSP Slim for now.

Hmm... and this ....
http://pspupdates.qj.net/Lounger-s-M.../49/aid/102187

Edit:
If Pandora can't downgrade, tell me how to install 3.60 M33 on Slim ???

[KeyofBlueS]

Pandora can install 3.60 M33 on PSP Slim but can't unbrick or downgrade PSP Slim.


From 3.60 M33 Readme

Сообщение от M33 - Press L+R+triangle to uninstall M33 and go back to original 3.60. Note: this can't unbrick a psp slim, it will just remove M33 ipl. There is currently no unbricker for the psp slim, but we plan on doing one in the future. After uninstallation, psp will be shutdown automatically.

and

Сообщение от M33 Q: How can i unbrick the PSP Slim? A: if you have a semi-brick, you can restore it using recovery and flashing the corrupted files with usb flash. There is no real unbricker for PSP Slim yet, but we plan of doing one in the future using C+D Pandora Battery.

Installer of 3.60 M33, that it uses Pandora, don't downgrade anything. "Simply" replace the original prx with custom prx's and IPL.

[ps2w1zard]

Ah, ok, thx

[KeyofBlueS]

Not at all