http://www.prad.de/new/news/shownews_tft8136.html
"LG will update the firmware of various 21: 9 monitors with a new firmware. The latest version is now 3.16. Ready to models for an update is include: 34UM95, 34UM65, 34UC97 and more. All models with production date of 2015 already have the latest firmware. The most important innovation is that the monitors now in the PBP operating remember the settings.
Unfortunately, the new firmware can not be updated by the users themselves. The submission to the LG service is unfortunately necessary. According to LG, the whole process for the customer but should be cost neutral. To get the firmware update, please send an online form or by phone at 01806 115411 (€ 0,20 / per call from a landline of DTAG, mobile max € 0.60 / per call.) directly to the LG service".