After AT&T and Verizon, T-Mobile is now rolling out support for eSIM in the US for iPhone XS, XS Max, and iPhone XR. The carrier is letting interested customers convert their physical SIM into an eSIM over the phone or via app. T-Mobile hasn’t officially announced the rollout of eSIM yet, but you can call the carrier support or have a chat with them through the T-Mobile app to request a SIM swap. Is there…