Pentax K-5 II and K-5 IIs Firmware Update Ver. 1.01 January 18, 2013 By Eric Reagan Leave a Comment Pentax has issued a firmware update for the K-5 II and K-5 IIs. Firmware version 1.01 provides the following updates and fixes: Enabled contrast adjustment on Monitor. (Added [contrast ]on [LCD setting ]menu) Improved stability for general performance. You can download the update from Pentax’s website.