Hello, I've previously owned an iphone 4 and an iphone 5 and have found the call quality to be a bit lacking. I'm a bit hard of hearing and while the voices were clear, they weren't loud enough even at max earpiece volume. Is the in-call earpiece volume louder on the 4.7 iphone 6? An in-call volume boost option would really help me out as I actually use my phone to make calls lol. My most recent phone (galaxy s4) has a much louder earpiece and a volume boost mode, but I don't like anything else about the phone. Any feedback would be appreciated. Thanks.