esim4us.com is part of t-esim.us the authorized distributor of T-Mobile eSIM in the United States. As an officially licensed distributor, we have the full authorization to activate any plan or services under normal use conditions without any concerns. Rest assured, you can rely on us for seamless service activation. If you encounter any issues or have questions about your service, feel free to reach out to our Help Center for assistance. Your satisfaction is our priority, and we are here to address any concerns you may have.