PSP homebrew developer becus25 has just announced the latest update to the PSP Custom Firmware 1.62. This new release has been dubbed 1.62 IE-D Update 3, and is reported to carry these new functions:

* Added the section "USB".
* Added on this section "Toggle USB (Memory Stick)"
* Added on this section "Toggle USB (Flash0)"
* Added on this section "Toggle USB (Flash1)"
* For VSH (XMB) ...
o When you format the Memory Stick the PSP create automatically the folders ISO and MP_ROOT.

Installation instructions and other important details should be available in the file readme - make sure to read that first before anything else. Enjoy the download, and be sure to visit becus25 (source link) to thank the coder for the effort.