AT&T upgrades network in 13 northern Michigan counties
DETROIT — AT&T has upgraded nearly 20 cell towers on its 4G LTE network within 13 northern Michigan counties to give customers faster, more reliable wireless service.
AT&T Brings 4G LTE to 2 of Michigan’s Smallest Towns
DETROIT — Two of Michigan’s smallest municipalities now have high-speed 4G LTE wireless service from AT&T thanks to recent system upgrades.