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How to Update your X3/SF3

Please make sure your device is not connected to any USB ports on the PC or Laptop before you begin.

Click here to download SCT Device Updater. | Once the download is complete, you may run the program to install it.

Now you may connect your X3/SF3 to your PC via USB. 

1. Open the SCT Device Updater Software, there should be a new icon on your desktop. (Yellow, Black, and Orange with the letters X3LW on it)

2. Notice: You must return your vehicle back to stock prior to attempting to perform any type of update on the device

3. Once the software is open, click on “Automatically Check for Updates”
(This “Auto Update Feature” only applies to devices whose S/N starts with XP)

4. The SCT Update software will automatically read your device’s current firmware & tune revision, compare it to the latest updates available from SCT and display the update information on the screen. If you are ready to update your device, click “Update Device”, the update should take approximately 5 minutes.

CONGRATS! YOUR DEVICE IS UP TO DATE AND READY TO USE!!