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How To Unlock Samsung Galaxy S3 T999V (Mobilicity Wind Videotron)

To start unlocking Samsung Galaxy S3 T999V (Mobilicity Wind Videotron), please read every step carefully and your Samsung device will be unlocked in minutes.

These are instructions with fewer details. If you prefer instructions with pictures, please skip this guide and download the PDF version here:

  1. Shut down your PC’s firewall and antivirus. Connect to the Internet with a standard high speed connection and not a wireless modem, a VPN, or a Proxy. Unlock at home and not at a company.

  2. Download the unlock software and install all items.

  3. If you have the software Samsung Kies or PC Studio installed, uninstall it from your PC. Reboot computer.

  4. Insert original SIM and turn phone on. If you don’t have one, don’t insert any. In case you see the “Phone Freeze” error, don’t use any SIM either. Make sure that the battery is fully charged!

  5. On your phone, make sure Bluetooth is turned off. Increase screen time out to the maximum if available. Turn on USB Debugging: Settings > Applications > Development > USB debugging and checkmark the box.

  6. Enter *#7284# and select USB > Modem (sometimes called USB > Phone). Some phones must be put into USB Diagnostics mode to do the unlocking. On your phone, enter *#9090#. Does a menu open? If yes, select USB (usually the first option). Depending on your phone model, this may be called differently. Once selected, watch for words like “USB Diag” and select such an option. If entering *#9090# doesn’t do anything, try *#7284# and see whether you can find anything with the words USB or USB Diag and select it once found. If there is no such thing, ignore this entire step!

  7. Reboot phone. Connect phone to PC. Select Kies Mode in case the phone gives you the option to do that.

  8. Launch GalaxyUnlocker software on your PC. Enter your username and password and connect (if you don’t have one, buy it here).

  9. Press the Rescan button. On the right side of the unlock program, make sure that “QCOM Diag” is detected. If not or if the software gives you the error that ports have not been set correctly, download the PDF file above and go to step 14 at the end of the document to see how to set ports correctly.

  10. Click Direct Unlock. GalaxyUnlocker will now unlock the phone automatically. Once finished, disconnect phone from PC and reboot.

  11. Your Samsung Galaxy S3 T999V (Mobilicity Wind Videotron) is now unlocked.

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