How To: Update your PSP to 3.71m33-4 AKA custom firmware

Update your PSP to 3.71m33-4 AKA custom firmware

Watch this video to learn how to update your Sony PSP to firmware 3.71 m33-4. This is custom firmware which is used for many PSP hacks. The link to download this is http://www.pspsource.de/news.php?extend.2747

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