Updating ps3 using memory stick
The trick is to organize the media on the USB flash drive into folders labeled MUSIC, VIDEO, and PICTURE.Then, when you plug the USB drive into your PS3, you'll see the media in the folders appear in the Cross Media Bar (XMB) under their respective categories.If you want to play back specific movies, photos, or music files on your PS3, use a USB drive.The PS3 supports a variety of file types, including MP4, Div X, AVI, and WMV.For more Play Station 3 reviews and information please click here.
Copy the update data to the PS3™ system's hard disk drive and perform the update.
If you have a network connection, you can update directly from the PSP itself.
Otherwise, you can use a computer or a game disc that comes with update software.
Using the PSPUsing Your Computer Using a UMDInstalling Custom Firmware Community Q&A Your PSP firmware controls your system settings, and new versions get released to add features and fix errors and security problems.
There are several ways that you can update the firmware on your PSP.