Just saw this:
"In a major Nordic study, Apple’s iPhone 6S landed at the bottom of the pile when it comes to call quality and range – especially for those who hold their phones in their left hand....
According to the results of his study, the four different iPhone models examined – the SE, 6, 6S and 6S Plus – were the four worst phones for voice services when the devices are held in the user’s left hand."
Here's the study:
http://www.pts.se/upload/Rapporter/Tele/2016/MobilephoneTest2016-augusti-2016.pdf
Here's a summary:
http://www.thelocal.dk/20160905/iphone-models-have-worst-antenna-signal-nordic-study
"In a major Nordic study, Apple’s iPhone 6S landed at the bottom of the pile when it comes to call quality and range – especially for those who hold their phones in their left hand....
According to the results of his study, the four different iPhone models examined – the SE, 6, 6S and 6S Plus – were the four worst phones for voice services when the devices are held in the user’s left hand."
Here's the study:
http://www.pts.se/upload/Rapporter/Tele/2016/MobilephoneTest2016-augusti-2016.pdf
Here's a summary:
http://www.thelocal.dk/20160905/iphone-models-have-worst-antenna-signal-nordic-study