Question:

How to downgrade my psp to 1.50ver from 4.01ver?

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plese help me in this otherwise again i have to give money and upgrade it this is the 2nd time i am upgrading it due to some repairs for the psp

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  1. YOU DON,T DOWNGRADE BACK TO 1.05

    YOU WILL NEED A PANDORA BATTERY TO DO FIRMWARE FLASH  

    ok your in luck just download theirs two files

    http://cid-d12a48481da2a837.skydrive.liv...

    http://cid-d12a48481da2a837.skydrive.liv...

    now contact me for a how to use


  2. you can't downgrade a PSP. you shouldn't need to unless you're trying to hack the PSP. If that's the case then you could be able to find downgrading instructions in your hacked firmware
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