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Can I Activate T Mobile Service on an Old T Mobile SIM Card

You have purchased a new T mobile phone and now you are wondering whether you can activate your old sim card on this new T mobile or not.

Well, if yes then you have come to the right place because in this article I will tell you everything that you need to know about T mobile and sim activation process.

So stick around till the end of the article to get the answer to your question and to also learn how to activate a T mobile sim card on your phone.

Can I Activate T Mobile Service on an Old T Mobile SIM Card?

First, let’s take a look at how to do that.

There are two methods to do. And both of them require you to have your T mobile account details.

So before you get into the methods make sure that you have your account log-in details accessible.

The first way to do through your phone.

So let’s look into the steps on how to do that.

Steps to activate T mobile sim card service through your phone

  1. Switch off your phone and insert the sim card.
  2. Now power on your mobile phone.
  3. You will then see an on-screen setup process. Follow it.
  4. Now call 1-800-T-MOBILE to finish the activation process.

They may ask you to give your phone’s IMEI number or the number on your sim card. But this will activate your T mobile sim card without any hassle.

Now let’s take a look into another method of activating your T mobile sim card. This method is entirely online and it does not require you to talk to any customer service representative on phone.

Follow the steps given below to activate your T mobile sim online.

Steps to activate your T mobile sim online

  1. Open your browser and search T mobile account page.
  2. Now log into your already existing account.
  3. Now choose the line you want to change your sim card for.
  4. Simply follow the steps for verification.
  5. Now to confirm the changes you have made, enter your ICCID number.

Now let’s take a look into whether you can activate your T mobile service on an old T mobile sim card. This is the most asked question. And the answer to this unfortunately no.

You cannot activate your old sim on a new T mobile service. The sim services are only allowed to be activated once.

So if you have deactivated them then you cannot activate them again and you will have to buy a new sim card.

Am I allowed to switch sim cards on T mobile phones?

Yes of course. T mobiles give you the option to switch your sim card as long as the size of the sim card is compatible with your T mobile phone.

Can my T mobile phone support a dual sim?

Yes, absolutely it will support dual sim.


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