Remove 5.50 prome 4
I am not responsible if something goes wrong.
3.If you have not downloaded the file from the "what you need step download it and extract it using win rar.(oh stall winrar first) P nnect your psp by going into USB mode.
Same for ProB10.60, OFW.60, storm processing received message source proupdate from game, then ciplflasher from game.
11.When powering back on, you will see a blue error assassin creed brotherhood pc iso completo screen with lots of words in different languages.Keep tapping "O" and you will be prompted with the default setup as you did when you first got your psp.They allow you to pick which OFW you want, and have different revision numbers, as ME for.60 was started later.DO NOT TRY ON other models!Back up all your data on your memory stick as you will be formatting.Most people know of the famous pandora battery technique which will unbrick and/or downgrade a psp's firmware.
This is for those not using cipl (for.39 and.60 full-hackable PSPs) or ProPermanent (for.20 of any type of PSP.).
Update* only tested ON original PSP (OR phat model).
A.5 Recovery File.Same thing with ME1.6, install OFW.60, then install ME1.6 from the system update on the XMB.5.Put the recovery folder into PSP/game/.Exit USB mode.For ProB10.39, install the OFW for.39, the base of Pro with proupdate from the game menu, then run the ciplflasher from the game menu.Since you are.50 Promethues, if you get a get an already.99 error when trying to install OFW: Select to connect your flash0 thru USB, open VSH/ETC and edit the version.All of Neur0ns ME and LME releases can be found here, note: LME is identical to ME but is for non-hackable PSPs or those with full-hackable PSPs but don't want a full CFW without having a pandora on hand just in case.Version.2.1, copyright 2017 vBulletin Solutions, Inc.At's it your done.Then save and try again to update.So, if you chose ME9.7, install OFW.39, then install ME9.7 from the system update on the XMB.Note: You do not need to install OFW.39 or.39 version of (L)ME or Pro to go to.60 version of (L)ME or Pro.Txt to have release:.50 and not.99.So in case there are others like tutorial magix music maker 17 me, I thought I would share my knowledge.The time now is 12:41.