Unlock your phone with the Device Unlock App

The fastest, safest, and most efficient way to permanently unlock your phone

  • The only way to legally unlock your phone with the Device Unlock App
  • No factory resetting, modifying or jailbreaking required
  • 100% guaranteed or your money back

What is the Device Unlock App?

Introduced in 2014, Device Unlock is an Android app that allows you to request and apply a mobile device unlock directly from the device. This is the only method that works for Samsung, LG, Alcatel, HTC, Huawei, Kyocera, Motorola, Sony Xperia and ZTE devices that do not prompt for the unlock code.

How to unlock your phone with the Device Unlock App?

Check to make sure your phone can be unlocked using the Device Unlock App as not all phones can be unlocked using this method. Open the Applications icon on the smartphone to see if T-Mobile or MetroPCS have pre-installed the Device Unlock App on the device.

If so, follow the simple instructions below:

  1. Process your unlock request through doctorSIM. Select the make of the phone, then the T-Mobile or MetroPCS network, and finally our Device Unlock App Service. DO NOT choose any other service as this is the ONLY method that will unlock your smartphone with the Device Unlock App pre-installed by T-Mobile or MetroPCS.
  2. Once processed, you will shortly receive an e-mail informing you that the phone's IMEI number has been registered as unlocked on the T-Mobile or MetroPCS server.
  3. Insert your new SIM card.
  4. Open the Device Unlock App and select the "Permanent Unlock" option to complete the process.
  5. The following message will appear on screen: "Unlock Approved: Mobile device is permanently unlocked".
  6. Press "Restart Now" to begin using your phone on any other GSM network in the world.

NOTE: If you do not have the app on your phone, you can still unlock the device the traditional way selecting either our Standard or Premium Service. However, the phone must prompt for the unlock code. If it does not, unfortunately, your phone cannot be unlocked via IMEI.



Why unlock your phone with Device Unlock with doctorSIM?

  • The simple, fast, safe and legal way to unlock your phone.
  • Fully guaranteed or your money back.
  • Permanent phone unlocking without leaving your home or office.
  • This method doesn't void your phone's warranty.
  • Step-by-step unlocking instructions by e-mail.
  • You will be able to use your smartphone with any network provider.
  • Fastest turnaround.
  • Over 5 million successful unlockings since 2007.
  • Lowest price on the Internet


What other users have to say about doctorSIM

  • R.S. says:5/5*****
    "Totally satisfactory and efficient service" after unlocking a Samsung S5839 Galaxy Ace
  • M.G. says:5/5*****
    "All perfect and fast, very good product, i recommend it." after unlocking a Samsung i8190 Galaxy S3 Mini
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    "All right and fast. thank you very much" after unlocking a Samsung i9300 Galaxy S3
  • F.M. says:5/5*****
    "Everything went perfect without the slightest problem. congratulations for your work, is good, fast and very well priced" after unlocking a Samsung i9001 Galaxy S Plus
  • M.I. says:5/5*****
    "Excellent!" after unlocking a Samsung i9100 Galaxy S 2
  • R.C. says:5/5*****
    "Excellent service. my galaxy s3 unlocked in half an hour." after unlocking a Samsung i9300 Galaxy S3
  • T.W. says:5/5*****
    "Excellent service" after unlocking a Samsung S5830 Galaxy Ace
  • J.E. says:5/5*****
    "The service has been very quick and very easy to apply" after unlocking a Samsung i9100 Galaxy S 2
  • P.D. says:5/5*****
    "I have unlocked two phones, htc one galasy s 3 s service is excellent, fast and 100% reliable and recommended." after unlocking a Samsung i9300 Galaxy S3
  • M.R. says:5/5*****
    "Everything quick and perfect." after unlocking a Samsung i9100 Galaxy S 2
  • F.C. says:5/5*****
    "Perfect and very fast." after unlocking a Samsung S5570 Galaxy mini
  • F.G. says:5/5*****
    "I have no complaints everything perfect 10" after unlocking a Samsung S5570 Galaxy mini
  • D.U. says:5/5*****
    "All very fast and very well explained, perfect. thank you very much" after unlocking a Samsung S5570 Galaxy mini
  • C.G. says:5/5*****
    "All ok. extremely fast even on sunday." after unlocking a Samsung i9100 Galaxy S 2
  • M.D. says:5/5*****
    "Fast, affordable and easy. an unbeatable service" after unlocking a Samsung S5830 Galaxy Ace
  • J.M. says:5/5*****
    "It works almost immediately, no gimmicks." after unlocking a Samsung i9100 Galaxy S 2
  • A.B. says:5/5*****
    "Very fast and very cheap" after unlocking a Samsung i9000 Galaxy S
  • M.H. says:5/5*****
    "Excellent service, if i had used it long before my people have recommended. safe, fast and efficient. in a few hours (1-2 hours) you can have your phone delivered read..." after unlocking a Samsung S5570 Galaxy mini
  • M.B. says:5/5*****
    "I'm delighted, great price and very good and fast service, would recommend." after unlocking a Samsung i9300 Galaxy S3
  • M.S. says:5/5*****
    "Very satisfied" after unlocking a Samsung Galaxy Note
  • Check out 19,393 reviews reales e independientes sobre su liberación por IMEI
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