Buyers of Motorola's Xoom tablet who want to move from 3G to 4G when that option is live will need to mail the device to Motorola for a hardware upgrade, according to Verizon. Lance Whitney is a ...
Most phones rely on 4G LTE for the bulk of their service these days. Even 5G devices spend a good chunk of time on the older, more reliable network. What happens if 4G LTE isn’t working on your phone?