I just UPGRADED my ta-082 3.02OE-B TO 3.03OE-A !!
here is the guide step by step how you safelly upgrade.
Get this 3 files :
*
http://www.psp-hacks.com/file/998 (3.03 open edition rivision A)
*
http://www.psp-hacks.com/file/958 (3.03 firmware update EBOOT US )
*
http://www.psp-hacks.com/file/4 (1.50 firmware update EBOOT )
Instructions: step1:charge your psp battery ,to be sure to 100%,
step2:formatt your memory card,(i recommend you to backup some file like the folder SAVEDATA from psp folder so that you can play your games were you stopped) after that do a hard reset if you don`t know how just remove the battery and put it back!
step3: - Get the 1.50 and 3.03 Sony updates, and put them in the oeupdatemaker folder with the names 150.PBP and 303.PBP
step4: Copy oeupdatemaker and oeupdatemaker% to /PSP/GAME if you are in firmware
1.50, or to /PSP/GAME150 if you are in
2.71 SE or
3.02 OE step5:Run oeupdatemaker. It will generate the dxar file DATA.DXAR
step6:Copy 303oeflasher and 303oeflasher% to /PSP/GAME if you are in 1.50, or to /PSP/GAME150 if you are in 2.71 SE or 3.02 OE.
step7:Move the DATA.DXAR file from oeupdatemaker directory to the 303oeflasher directory
step8:Run the 3.03OE-A Firmware install.. press the x button to agree ,When it finishes, its done restart the psp manually
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