Insert the cropped edge of the Memory Stick Pro Duo into the PSP system with the lettered side facing up, and push the Memory Stick into place. To successfully install and use a Memory Stick Pro Duo with a PSP system, you must format it.

Insert the Memory Stick, turn on the PSP unit and scroll over to the "Settings" section of the Xross Media Bar.

If the power supply is lost while writing to the system software, the console will no longer be able to operate unless the system is booted in service mode or sent to Sony for repair if still under warranty.

The current version of the software, 6.61, was made available on January 15, 2015.

It is a minor update released more than three years after the release of the previous version 6.60 in 2011.

PBP in the folder PSP/GAME/UPDATE - it is important the the folder names are ALL CAPITAL LETTERS.

System software updates have added various features including a web browser, Adobe Flash Player 6 support, additional codecs for images, audio, and video, Play Station 3 connectivity, as well as patches against several security exploits, vulnerabilities, and execution of homebrew programs.

The battery must be at least 50% charged or else the system will prevent the update from installing.

The Memory Stick slot is located on the bottom-left edge of the PSP system.

To open the Memory Stick slot cover, insert a fingernail or other small, flat object into the notch in the Memory Stick slot cover, and pull the slot cover out and away from the system.

Memory Stick Pro Duos come in a variety of storage capacities, ranging from 32 megabytes to 32 gigabytes.