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Unlock your Samsung from T-Mobile legally

100% online IMEI-based cell phone unlocking service

  • Permanently unlock any Samsung from the T-Mobile network
  • Fast turnaround and maintains the cell phone’s warranty
  • Unlocking method recommended by Samsung and T-Mobile

How to unlock your Samsung from T-Mobile

Unlocking your Samsung from T-Mobile via IMEI is the fastest, easiest and safest way to gain access to any network in the world, lower your monthly bills and increase its value if you ever decide to sell it in the future.

Most cell phones are unlocked by inserting an unlock code, however, some Samsung Galaxy smartphones locked to T-Mobile do not prompt for the unlock code. This could be because the phone has the Device Unlock App installed. Prior to submitting your request, check under the Applications icon to see if your cell phone has this device pre-installed by the network. If so, ONLY select our Device Unlock App Service to unlock your Samsung phone.

Whether your model is a Galaxy, Samsung Z1 or Z3, or whether it prompts for the unlock code or has the Device Unlock App installed, follow the six steps below:


  • Press the Unlock your Samsung T-Mobile button below.
  • Select T-Mobile under Select your network provider.
  • Read the descriptions in the blue box carefully and then choose the cell phone unlocking service applicable to your Samsung.
  • Complete the fields requesting the IMEI number of your Samsung and the e-mail address where you would like to receive the unlocking instructions.
  • Finally, choose a 100% secure payment method to submit your request.
  • We'll then send you an e-mail with instructions on how to complete the process and permanently unlock your Samsung from T-Mobile.

Why unlock your Samsung from T-Mobile with doctorSIM?

  • Unlocking your Samsung from T-Mobile online at doctorSIM is safe, fast and permanent.
  • If we are unable to unlock your cell phone for any reason under our responsibility we'll return your money.
  • Multiple 100% secure payment methods at your disposal.
  • Our Samsung cell phone unlocking specialists can be contacted 24/7 by telephone, email or chat for assistance.

Whether your model is a Galaxy, Samsung Z1 or Z3, or whether it prompts for the unlock code or has the Device Unlock App installed, follow the six steps below:


  • Press the Unlock your Samsung T-Mobile button below.
  • Select T-Mobile under Select your network provider.
  • Read the descriptions in the blue box carefully and then choose the cell phone unlocking service applicable to your Samsung.
  • Complete the fields requesting the IMEI number of your Samsung and the e-mail address where you would like to receive the unlocking instructions.
  • Finally, choose a 100% secure payment method to submit your request.
  • We'll then send you an e-mail with instructions on how to complete the process and permanently unlock your Samsung from T-Mobile.

Why unlock your Samsung from T-Mobile with doctorSIM?

  • Unlocking your Samsung from T-Mobile online at doctorSIM is safe, fast and permanent.
  • If we are unable to unlock your cell phone for any reason under our responsibility we'll return your money.
  • Multiple 100% secure payment methods at your disposal.
  • Our Samsung cell phone unlocking specialists can be contacted 24/7 by telephone, email or chat for assistance.

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FAQ Samsung T-Mobile cell phone unlocking

There are two ways to unlock a Samsung from T-Mobile, with only one of the two options applicable depending on what type of phone you have:

1) By typing an unlock code.
2) Using the Device Unlock App.

To find out which unlocking service you need to select to unlock your Samsung, it is EXTREMELY IMPORTANT to perform the following checks BEFORE making your request:

Does the phone prompt for the unlock code when you insert a SIM card from a network different to the original? If it does, your Samsung can be unlocked from T-Mobile by inserting an unlock code. Select either our Standard or Premium Service.

If your phone doesn't prompt for the unlock code after inserting a non-compatible SIM card, open the Applications icon on your phone to see if T-Mobile has pre-installed the Device Unlock App. If they have, select our Device Unlock App Service to unlock your Samsung.

Contact our customer support team for assistance prior to submitting your request if your cell phone neither prompts for the unlock code nor has the Device Unlock App.

Select our Standard Service if your Samsung is no longer under a fixed-term contract with T-Mobile and has no outstanding payments.

If your cell phone has received technical support from Samsung, hasn’t been activated, is pre-pay or under contract select our Premium Service directly.

You will also be given a Defreeze Code for free and which is necessary if you get a “Phone freeze” message. Samsung phones have a maximum number of unlocking attempts (ranging between 3 and 5 depending on the model) and when these attempts are exhausted, the phone will ‘freeze’ and will not accept the unlock code even if it is valid.

If you are unsure of the current status of your Samsung phone, select our Standard Service or contact our customer support team for assistance.

We will issue you a full refund if we are unable to unlock your Samsung with either unlocking service.

If you select the incorrect unlocking service we won't be able to unlock your cell phone. Nor will we be able to issue you a refund because the unlocking process is fully automated incurring a cost to doctorSIM.

You will need to resubmit your request selecting the correct service.

Yes, you may continue to update your Samsung regularly as our cell phone unlocking services are permanent and your cell phone will not relock when updated.

You can also reset the Samsung to factory settings without fear of it relocking to the original operator.

Yes, you can, however unlocking a Samsung from T-Mobile will not remove it from the blacklist. The only way to remove a cell phone from the blacklist is by contacting the original operator.

If you submit your unlocking request, we will unlock your phone, unfortunately, it will not work properly while blacklisted as this is an additional security measure which can only be removed by the network that reported it due to loss, theft or unpaid bill.

There is a possibility your Samsung may work properly outside of the United States, unfortunately, there is no guarantee that it will.

For the most part, blacklisted Samsung cell phones can connect to the internet and send and receive text messages but cannot make or receive calls.

Permanently unlocking your Samsung from T-Mobile with doctorSIM is very economical and the current price will appear in the blue box to the right after you've selected the United States and T-Mobile.

As well as accumulating discounts with every unlocking you make, we also offer regular promotions.

The time it takes to unlock a Samsung from T-Mobile depends on which unlocking service is required to unlock your cell phone.

Once you have selected the country and T-Mobile, the guaranteed delivery time will be displayed under the blue box to the right.

You will also find the average delivery time of the previous 20 similar unlocking requests within the blue box alongside the price.

No, it is not true.

Unlocking any phone via IMEI will neither void the warranty nor harm it in any way.

Our method is recommended by the cell phone manufacturers and network providers themselves as it won't damage the cell phone's hardware or software.

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doctorSIM reviews

11000+ reviews

Great service. Phone locked to network provider and code provided released the lock.


Excelent service it only took 2 hours after I made the payment to get my phone unlocked, the process was very simple.


Great service