T-Mobile now supports eSIM for iOS

T-Mobile is now supporting eSIMs on Apple’s latest iPhones, letting them use two different phone numbers on one device, which is ideal for traveling abroad or balancing work and personal numbers.
You’ll have to install a new T-Mobile app in order to use the carrier on the eSIM inside the iPhone XS, iPhone XS Max, and iPhone XR. Once you’re set up, you can select from one of three available plans:T-Mobile ONE Prepaid with unlimited voice, text, and data for $70 for 30 days
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