Swapping out a modem chip might not sound like a big deal, but tweaking cellular technology can ... iPhone‌ 12 lineup, Apple wanted to transition to 5G technology. Apple's plan was to use ...

T-Mobile has the largest network, with its 5G service reaching 330 million people — of those, more than 300 million can access the carrier's faster Ultra Capacity 5G service. Around 250 million ...