What AT&T-T-Mobile deal could mean for customers

NEW YORK (AP) — AT&T Inc. has agreed to buy T-Mobile USA for $39 billion, but the deal isn't set to close until a year from now, and it will likely face tough regulatory scrutiny. Here's what a completed deal could mean for customers:

— Some time after the deal is completed, T-Mobile phones with "3G" wireless broadband won't get 3G service any more, and will need to be replaced. AT&T will be offering new phones with access to AT&T's 3G network to these customers, but it's not clear what the deals will be. It could take a year for AT&T to turn off T-Mobile 3G, so there will be time to adjust. AT&T will use T-Mobile's 3G frequencies for 4G instead, for faster data …