AT&T, the United States’ second-largest wireless carrier, has announced that it will offer a 5G Samsung phone starting sometime in spring 2019. The announcement comes just a day after Verizon and Samsung confirmed plans to launch a 5G smartphone in the first half of 2019.AT&T 5G Galaxy S10 to arrive in the first half of 2019Samsung is known to be developing a 5G variant of the Galaxy S10 for some time now. While no launch date has been confirmed yet, carriers are already starting to line up to offer the upcoming Samsung flagship. After Verizon, it’s AT&T who have confirmed the plans, though neither of them mentioned the Galaxy S10. But it’s obvious. No other Samsung smartphone will likely come with the next-gen network support before the Galaxy S10.AT&T also said that it would work with Samsung to create a manufacturing technology-focused 5G “innovation zone.” The Dallas-based carrier has been deploying such 5G zones around the country lately. The company also plans to launch its 5G service in 12 markets by the end of 2018, and in another seven markets in the first half of 2019.Samsung, meanwhile, is attending Qualcomm’s Snapdragon Technology Summit in Maui this week. The company will show off a proof of concept 5G device at the event. It’ll be powered by Qualcomm’s Snapdragon X50 5G NR modem, the same modem which will likely power the Snapdragon-powered 5G Galaxy S10. Samsung will also launch an Exynos-powered 5G variant of the phone.It will officially unveil the Galaxy S10 at MWC 2019 in February. The company should start shipping units in the US the following month.