UPMS Tutorial(sorry about the bad quality)This allows you to:Downgrade to 1.50(fat only)Downgrade to 3.71m33,3.71OFW,3.80m33 and 3.80 OFWBoot to 1.50 and then when you reset your back at the firmware you had before(fat only)Downgrade to 1.50(fat only)Toggle usbLoad key cleanerload idstorage managerload PSP filerBoot to normal PSP xmb with pandora batterySimple IPL patch (TA-082/086) (i think fat only)Backup NANDBoot PSP from internal flashFix flash1Flash0 USBand flash1 usbThats a lot of stuff compared to the average pandora battery menu.What you need: UPMS V3r3 which is here: http://www.upms-project.com/modules.php?name=Downloads&op=getit&lid=140 ,a psp with CFW 3.71 or higher, memory stick pro duo(anything over 100mb will do.)http://www.psp-hacks.com/file/4 (1.50 eboot)http://www.psp-hacks.com/file/1130 (3.40 eboot)http://www.psp-hacks.com/file/1259 (3.71 eboot)http://www.psp-hacks.com/file/1377 (3.80 eboot)Installing: ( I will try to make this as easy as possible)Format the memory stick in settings on the PSPMake sure you have no theme onGet the upms cso file from the first linkenable usbgo to the psp rootdelete everything exept ISO and PSPPut the cso file in ISOrename the 1.50 eboot to 150.pbp and put that on the rootrename the 1.50 eboot to update.pbp and put that on the root ( you need update.pbp and 150.pbp)rename the 3.40 eboot to 340.pbp and put that on the rootrename the 3.71 eboot to 371.pbp and put that on the rootrename the 3.80 eboot to 380.pbp and put that on the rootexit usb mode. go to game and run \"UPMS installer\"if it doesnt load, on the xmb press select then go down to UMD ISO MODEclick across untill you get to SonyNP9660click selecttry to load the cso againgo to step 1:IPL Toolsclick on install sleep fix multi-ipl to memory stickwhen thats done go to step 2 battery tools (skip to step 3 if you have a pandora already)click backup battery to (ms0:eeprom.bin)then create pandora battery (service mode)go to step 3 Firmare toolsclick Install UPMS with utilities(slowest)#it will take a whilewhen its done you can exit UPMS installerremove the memory stick, take out the battery and put the memory stick in againhold down L trigger and put in the pandora batteryIf it comes up congratulations you have a UPMS!UPMS tutorial(sorry about the bad quality) Pandora, PSP, UPMS