AT&T announced Monday the results of some of its 2012 investments in infrastructure and renovations to improve 4G mobile Internet service in the territory.

According to a release issued from the company Monday, AT&T invested nearly $5 million in its V.I. wireless and wired networks in the first half of 2012.

Network upgrades include activation of new cell sites or towers to improve network coverage, deploying faster connections to enable 4G speeds and adding spectrum capacity to support additional traffic. Network upgrades include new Wi-Fi hot spots and backbone network connections.

“We’re working to build a 4G network that’s smarter and better,” said Ray Flores, regional vice president of AT&T Puerto Rico & U.S. Virgin Islands.