welcome
perhaps this might help
Pentax Firmware Update Guide
A video with step-by-step instructions on updating your firmware
By PF Staff in Tutorial Videos on Feb 8, 2014
Upgrading your camera's firmware carries many benefits, ranging from feature additions to new accessory support to bug fixes and performance improvements. If you're familiar with transferring files to a SD memory card using your computer, you'll have no trouble upgrading your firmware on your own.
The video below is our step-by-step firmware update guide. For the latest firmware update information and download links, visit our firmware homepage.
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Pentax Firmware Update Guide - Tutorial Videos | PentaxForums.com Firmware Updates | PentaxForums.com