Apple says the iPhone 6 has broader support for LTE than any iPhone before it: It supports 20 different LTE bands, up from 13 for the iPhone 5S. Unfortunately, support is absent for a new LTE band that T-Mobile USA is spending a lot of effort (and money) to deploy: LTE Band 12. It's disappointing news for some T-Mobile customers, but it shouldn't be entirely unexpected.
Full story from the iMore Blog...