Storyline 3 file no sound on iphone 6 Plus Sep 13, 2017 By Mahesh Mahajan Ok, I have a sound issue with Storyline output for IPhone 6 Plus. I output in HTML5. no problem with sound on desktop, using Chrome, Ipad on iPhone, can't get any sound when I play the modules. Tested using Safari and Chrome. So problem is using. iPhone 6S, IOS 10.0.2 output from latest Storyline 3 version update 1: 3.1.12115.0 anybody got any ideas on what might be causing that.