Where is connection optimizer on my Galaxy S4?
Well I'm at Starbucks and the phone is refusing to make calls when not connected to their stressed out wifi, which gives horrendous QOS. The phone is showing 6 bars on the mobile network icon but not 3g, 4g or LTE. I think I possibly somehow turned connection optimizer on but I'm not sure because I never found anything specifically labeled as such and still can't find it to turn it off. I have a Galaxy S4 purchased from FP and I'm looking in settings->connections->more networks->mobile networks. The choices available are 1. Mobile Data, 2. Network Mode, 3. Access Point Names, and 4. Network Operators, which is greyed out. I looked in a bunch of other places too but didn't find it anywhere so either it's called something else on this phone or I don't have it. Please advise.