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How do you upgrade your PSP from Version 3.52 to Version 4.05?
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How do i upgrade my hacked psp?
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What exactly is my PSP Version?
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Can i update my psp from version 2.71 straight to version 3.50 or do i have to do it one version at a time?
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Can somebody help me in deciding to upgrade psp firmware from version 2.82 to the latest version?
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I have a psp version 2.82 and i want to upgrade to version 3.03 so i can then downgrade do 1.5
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