GPS Location widget not working on Iphoen 6 / 6 plus issues

hi, thanks for all your help in the other request, today i am having some issues with iPhone 6 and 6 plus, could you inform what settings they need to have on their devices? the form GPS location is not sending

thanks again

The GPS location works on mobile devices, when the forms loads, a message will prompt to allow the widget to track the location:

Make sure javascript is enabled in your browser: http://activatejavascript.org/en/instructions/ios#instructions