[niutech]

Android versions prior to 4.4 support only TLS 1.0 which is deprecated and many old devices aren't upgradable. The same for Mobile IE 10.

IE 10 in Windows Server 2008 doesn't support TLS 1.1+ by default.

[robinsonb5]

Yup, my last phone upgrade was prompted by this.

But the old phone is significantly better at making actual phone calls than the new one.