The Galaxy S8 looks like a powerful smartphone for all four major US carriers. It gets special abilities on T-Mobile, Sprint and AT&T, the carriers told us before the phone's launch today. And Verizon's absence from the list may just be because the carrier is being bashful.
On T-Mobile, the S8 can achieve "gigabit LTE" speeds by combining 3x carrier aggregation, 4x4 MIMO, and 256 QAM, which no other phone yet has done, T-Mobile's VP of engineering Grant Castle said. The first is a technique to bond different airwaves to make a very wide path. The second multiplies antennas for stronger signal, and the third is a more efficient encoding system. The Galaxy S7 had these three technologies, but could only use two at a time, Castle said.
"With all of those tricks turned on, it becomes our first gigabit-capable device," Castle said.
http://www.foxnews.com/tech/2017/03/30/galaxy-s8-may-be-fastest-phone-on-every-network.html
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