T-Mobile Reaches New 5G Speed Record
Today, 10:58 AM by Rich Brome @rbrome.bsky.social
T-Mobile has achieved a record-breaking downlink (download) data speed of 4.3 Gbps on its 5G network using a Samsung Galaxy S25 in real-world conditions. The test leverages T-Mobile's 5G SA (stand-alone) network and six-carrier aggregation (6CA). 6CA is a relatively new feature of 5G. It was a little over a year ago that T-Mobile announced the world's first 6CA connection, reaching 3.6 Gbps at the time. While the commercially-available Galaxy S25 uses a Qualcomm Snapdragon X80 modem, T-Mobile also performed tests using Qualcomm's forthcoming X85 modem on a test device, and achieved even faster speeds of 6.3 Gbps on the downlink. Qualcomm expects phones using the X85 to reach the market "in the second half of this year."
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