SKFU has released a PS Vita Firmware xTractor application for the PC which allows users to extract the PSVita Firmware from Sony's new handheld game console. For now it only works with firmware 00.945.040, tho surely I will update it sooner or later.
The 2.00 version had a problem setting the filenames correctly as the 1.0+ updates have different files than the older ones.
Read more: http://www.ps3news.com/psp-ps-vita-n...#ixzz1h1zRpU9D
Download FW added
Download PS Vita Firmware xTractor v2.01
Source- SKFU's blog