AT&T upgrades wireless network across Michigan
DETROIT — AT&T Inc. announced upgrades to its wireless network on more than a dozen cell sites all across Michgian, from metro Detroit to the Upper Peninsula. The improvements include …
AT&T upgrades network on 129 Michigan sites
DETROIT — AT&T Inc. announced it had upgraded its wireless network within eight counties in Michigan. The improvements include adding greater capacity or bandwidth and speeds to 129 cell towers …