Since the first iOS10 upgrade, my Iphone 6s has terrible reception! Most of the time I'm running off 1x, but it occasionally will switch to 3G, but very low- maybe 2 bars...3 if I'm lucky. But even when it switches to 3G it takes forever to load webpages and apps. I rarely can connect to anything when it is in 1x. Sitting at my desk at work, I used to be able to get FULL 3G with super fast load speeds...watching Netflix was never an issue... Now, I can't get enough of a connection to play Pandora or even load Facebook! Even at home, where my service was never interrupted, When pictures are sent to me...they take several minutes to download! It is ridiculous! I swear I didn't have any issues until the first iOS 10 update...since then- I'm so frustrated! What can I do??? I'm seriously close to biting the bullet and moving to a different service provider....