Study Finds AT&T and Verizon Have Slower LTE Speeds After Launching Unlimited Data Plans

In its semi-annual State of Mobile Networks report this week, OpenSignal claims that both AT&T and Verizon have experienced a decline in 4G LTE speeds since each carrier reintroduced an unlimited data plan in February. OpenSignal blames the slowdown on an increase in data demand now that caps have been removed.
From April through June, AT&T's average LTE download speed was 12.92 Mbps, while Verizon averaged 14.91 Mbps, according to crowdsourced data from thousands of users with the OpenS