The eSIM (embedded SIM) on the Xiaomi 14T Pro is a digital SIM card that’s built directly into a device, allowing it to connect to a cellular network without needing a physical SIM card. Instead of inserting a SIM card, you can activate and manage your cellular plan electronically through the device settings. The advantages of eSIM technology include flexibility, convenience, space-saving design, and environmental benefits. To turn oneSIM, please refer to the following steps: 1. Openthe [Settings]App; 2. Go to [Mobile networks]; 3. Choose [Turn on eSIM],then your phone will pop up an option; 4. Select [OK]. Friendly tips: 1. With an eSIM, switching carriers or plans is easy and can be done directly from the device settings. This can be useful for you to switch to a local network without needing to find and insert a new SIM card; 2. The eSIM technology removes the need for a physical SIM card slot, allowing slimmer device designs or space to add more features.