Below please find the list of the main models.

You can check the compatibility of your device on the T-Mobile web site at the following link: Check Device

iPhone 16e, 16, 15, 14, 13, 12, 11 (all models)

iPhone XS Max, XR, S (3rd Gen)

iPad Pro 11-inch (1st Gen, 2nd Gen, 3rd Gen)

iPad Pro 12.9-inch (3rd Gen, 4th Gen)

iPad Air (3rd Gen, 4th Gen, 5th Gen)

iPad (7th Gen, 8th Gen, 9th Gen)

iPad mini (5th Gen, 6th Gen)

Samsung Galaxy S23, S24, S25

Samsung Galaxy S22 5G ,S22 Plus 5G, S22 Ultra 5G

Samsung Galaxy S21 5G ,S21 Plus 5G, S21 Ultra 5G

Samsung Galaxy S20, S20 Plus, S20 Ultra 5G

Samsung Galaxy Z Fold 3 / Z Flip 3

Samsung Galaxy Z Fold2 5G

Samsung Galaxy Z Flip, Z Flip 3 5G

Samsung Galaxy Note 20, Note 20 Ultra, S20 Ultra 5G

Samsung Galaxy Fold

Google Pixel 9, Pro XL, Pro Fold

Google Pixel 8, Pro, 8a

Google Pixel Fold

Google Pixel 7, 7a, Pro

Google Pixel 6, 6a, Pro

Google Pixel 5, 5a

Google Pixel 4, 4a, XL

Huawei - P40, P40Pro, Mate 40 Pro, Mate XS

Motorola Razr 5G

EID (“Embedded Identity Document”) is the serial number that is assigned to any eSIM enabled device.

Your EID can be found in the following screens.

You can use the Copy and Paste functions to use the value in the registration process on our web site.

iPhones: Settings > General > About

Android phones: Settings > About phone > Status information

For step by step graphical information please refer to the following links on the T-Mobile web site:

iPhone: www.t-mobile.com/support/tutorials/device/apple/iphone-14-pro/topic/esim/how-to-locate-the-eid 

Android: www.t-mobile.com/support/tutorials/device/samsung/galaxy-s23-plus/topic/esim/how-to-locate-the-eid 

During the registration process on our web site you will be asked for the IMEI of your phone or the EID.

Both numbers can be found for iPhones in the Settings > General > About section.

With one of the above numbers, T-Mobile will provision your eSIM remotely via the network and you will receive a notification in Settings.

See step by step instructions with images on the T-Mobile site at https://www.t-mobile.com/support/tutorials/device/apple/iphone-14-pro/topic/esim/activate-postpaid-esim-using-auto-discovery-notification/1 

For Samsung see the following link: https://www.t-mobile.com/support/tutorials/device/samsung/galaxy-s22-ultra/topic/esim/download-an-esim-to-the-device-using-a-qr-code/11 

You can dial from your T-Mobile number the following option:

For minutes used: Dial #646# and press Send

For data usage: Dial #932# and press Send

For your account balance and plan information: Dial #225# and press Send

More information can be found at the following pages:

https://www.t-mobile.com/support/account/check-your-usage

https://www.t-mobile.com/responsibility/consumer-info/additional-info/avoiding-bill-shock 

You can find full information about the plans, terms and conditions on the T-Mobile web site.

For Unlimited prepaid plans see: https://prepaid.t-mobile.com/prepaid-plans 

For Connect by T-Mobile plans see: https://prepaid.t-mobile.com/prepaid-plans/connect