How to Activate an eSIM on a T-Mobile Postpaid Account?

Finally! T-Mobile took the curtains off and launched its T-Mobile app for smartphones that allow users to activate a postpaid plan with an eSIM. As we all know Embedded SIM (eSIM) is a digital form of SIM card, designed to provide a connection to the T-Mobile network. With an eSIM, you can activate a digital sim card into your device without the need of inserting a physical SIM. Now the concern is what are the eSIM compatible phones? 

Several eSIM compatible phones are iPhone 11, iPhone 12 (all variants), while iPhone XS, XR, and XS Max DSDS models (Dual SIM Dual Standby) can also be compatible to activate eSIM. In case you don’t know, DSDS compatible devices can accommodate both a physical SIM and an eSIM so that you can access talk, text, and data on one device with two wireless accounts.

Steps to Activate An eSIM On A T-Mobile Postpaid Account – 

An important note before performing the steps, make sure to have your EID number handy, as you will need it for further eSIM activation steps. To get your EID number, go to the Settings option on your iPhone and then head towards General, and then click About. Scroll down to reach the bottom and view your EID number. 

Note: EID number is an electronic SIM card number, which is similar to an ICCID number used for physical SIM cards.

  • Start by reaching out to the T-Mobile network through its various mediums – either to call 611, use iMessage Business chat, or contact T-Force on social media, and let them know that you are interested to do a simple SIM swap.
  • Now, provide your EID number, in case you don’t have then provide your ICCID number (SIM card number).
  • Make sure your iPhone is connected with a secure Wi-Fi network. After this, you will receive a text message saying your SIM card change has been changed successfully. 
  • After getting the text message on the subject of the SIM change, you are advised to navigate to the Settings option and then click on Cellular and then tap Add a Cellular Plan.
  • In the next step, tap “add details manually” option and proceed further.
  • Now, under SM-DP+ Address, enter this link:
  • In the next step, vacation the remaining two fields blank and then click on the Next option. If you will perform the successful steps, then you will receive a prompt to let you know that your eSIM service has been added successfully through T-Mobile. 
  • From there, if your device has two SIM slots then use your eSIM as your primary SIM and add another physical SIM on the second slot.  

Setting up an Embedded SIM (eSIM) on a postpaid T-Mobile account is not a difficult and hefty task anymore. And rightfully with the help of the carrier’s official policy, your device can easily support eSIM on postpaid plans. However, those who aren’t able to perform the activation steps can go through the above-guided steps for a smoother and hassle-free process. 

Must read- Steps to Activate eSIM Prepaid Plans on T-Mobile App

Guide to Activate Postpaid eSIM by scanning a QR code? (For Apple iPhone 11 – iOS 13) 

With the recent changes announced by the T-Mobile network, you can easily activate Postpaid eSIM with the help of scanning a QR code. Other than this, downloading an eSIM profile to your phone also helps to successfully complete a Postpaid eSIM activation. 

At first, you will be required to talk to the official team of the T-Mobile network and ask for the postpaid plans that are suitable for you. For this, you will require to provide your device EID to update your account. With this, a QR code will be sent to your registered email account that you can use for further activation steps. To learn how to use your QR code, here are the steps that you need to pursue: 

  • Start by unlocking your iPhone device to open its Home screen.
  • Now, from the device Home screen, choose the Settings icon and scroll down the screen to pick and click on the Cellular option.
  • In the next step, choose Add Cellular Plan mentioned in the blue color.
  • In the next screen, you will be able to see a QR code that has to be sent to you via email. Make sure to scan the QR code.
  • After this, select the option Add Cellular Plan and click Continue to proceed further. 
  • Next, select an option eSIM and then click on the Continue button.
  • This is a completely optional step: Turn Allow Cellular Data Switching on and then choose Continue.
  • After this, tick on the option, which says Use “eSIM” as the preferred line, and then tap Done to proceed further with the activation steps.
  • By following these above-guided steps, you can easily add a postpaid plan and then finally, return to your device’s Home screen to access the use of digital SIM. 

Learn How To Use Dual SIM with an eSIM on the Apple Device Running OS 12.1.1 or later

If you own an Apple model – iPhone XS, iPhone XS Max, or iPhone XR device, then you are lucky to use two SIM cards on your device at the same time, just like major Android devices. 

Setting up your T-Mobile cellular plan with eSIM

iPhone models that support dual SIM slots can be used to have one eSIM and one nano-SIM. The eSIM will be provided by T-Mobile, which will be eligible to store data on your iPhone digitally. In order to activate an additional cellular plan, all you need to do is scan the QR code sent by the carrier, and then download their carrier app on your iPhone for activation. Well, in that case, T-Mobile has launched its app.

How to Use a Carrier App – 

To activate prepaid service using T-Mobile’s app, you will require to perform these steps:

  1. Start by visiting the App Store on your iOS device and then download the carrier app from the store.
  2. Once it is downloaded, install the application and then launch it to purchase a cellular plan.

How to Scan a QR code –

Use these proven steps recommended by the officials to scan a QR code and then download your much-needed eSIM settings. But, before anything, make sure to contact your carrier for activation service.

  1. To begin with the steps, visit the Settings option and then choose Cellular.
  2. Now, click on Add Cellular Plan and open your iPhone camera to scan the QR code.
  3. In case, you are asked to provide a confirmation code to activate the eSIM, make sure to enter the number mentioned with the QR code.

Next, Enter the Information (Manually)

You can use these steps to enter the much-needed eSIM details manually. Be sure to contact your carrier first before beginning with the below-given steps. 

  1. Turn on your iPhone device and navigate to the Settings icon and once it is opened choose Cellular.
  2. In the next step, tap on Add Cellular Plan and then hit the option “Enter Details Manually” located at the bottom of your device screen.
  3. Finally, keep an eye on the on-screen instructions and manually enter all the required information.

How do I Label My Plans / Lines on T-Mobile Postpaid Account?

After following the above-provided steps, your second plan will activate successfully. And once it is activated, you will be able to label your plans / lines for identification. For this, you can pursue these steps:

  1. Start by tapping on the Settings icon and then explore the Cellular option and click on it.
  2. In the next step, click on the number you would like to change the label for, then press the Cellular Plan Label.
  3. Finally, select an option to create a custom label or choose from the following labels:
  • Primary
  • Secondary
  • Personal
  • Business
  • Travel
  • Cell Data

Guide to Switch Between or Erase eSIMs

For iPhone users having iOS update 12.1.1 or newer, you can easily use more than one eSIM in your iPhone, but you can potentially use only one eSIM at a time.

How Do I Switch Between eSIM?

In order to switch between eSIMs, follow these steps:

  1. Start by exploring the Settings option and then head towards the Cellular option.
  2. Now, choose Cellular Plans.
  3. Click on the plan that you want to prefer and finally, tap the option “Turn On This Line”.

How Do I Erase Added eSIM?

At a time, you are only eligible to store 10 eSIM profiles on your device. If you wish to delete an added eSIM profile, then these steps will be helpful for you: 

  1. Navigate to the Settings app and pick the Cellular option.
  2. In the next step, select the plan that you want to remove or delete. 
  3. Finally, click on the option, which says Remove Cellular Plan.

Get To Know How Much Signal Each Line Has

When you have inserted both the SIM cards – a physical SIM and the eSIM active, you will witness the slightly different bars of signal. One line will show the normal signal bars, while the other one shows the dots of signal just (as mentioned below). In that case, when you navigate to the Control Center, you will see lines with bars of a signal along with the carrier name that will help you to identify which one for which carrier service. 

Select Your Default Line For Several Activities Like Voice, Messages, And Data

You can easily set your default line, used to access iMessage and FaceTime. Your Apple iPhone device uses the default line, whenever you perform activities like calling or sending a message to someone. Other than this, you can select one line of cellular data and use it as your default line for calls and messages.

  1. For this, open the Settings apps > click Cellular > and then Default Line.
  2. In the next step, select one option from the following:
  • Use [Plan Label] for cellular data only: You will pick this option, only if you are traveling internationally and willing to keep the default line for SMS, voice, iMessage, and FaceTime activities. 
  • Use [Plan Label] as your default line: You might want to choose this option, as this line is used as a default option for voice, SMS, iMessage, Data, and FaceTime activities. 

Select The Prominent Number to Make Call

Before making a call, you can easily switch between added phone numbers. Use these steps to perform the steps:  

In case, you are calling someone from your Favorites list:

  • Start by tapping the (i) icon and then click on the current phone number. Finally, click on your other number. 

In case, you are using the keypad to dial the number, which is not available in your contact list:

  • Start by entering the phone number and then click on the phone number, located near the top of your Apple device screen. Finally, click on the number that you want to use.

Choose Between Numbers for Sending Messages

In order to choose phone numbers, before sending any SMS/MMS to your contacts, use these steps:

  1. Click the Messages app and then click on the New button placed in the upper right corner of the screen.
  2. In the next step, enter your contact’s name and then click on the current phone number option. 
  3. Finally, click on the number which you want to use to send your message to the contacts. 

Choose Between Numbers for Cellular Data

Start by going to the settings app and then click on the Cellular option. After this, click on the Cellular Data. Now, you will require to click on the number that you want to use to facilitate your cellular data.

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