How can I open a .123 curve file in the app?

  1. In the TUNE+ app, go to the “Curves” tab. Click on “Files”, then click on “Import”.
  2. Select the file to be imported on your device*. Your selected curve will now appear in the list.
  3. Click on the curve in the list, then click on “Open”.
  4. The curve is now opened, but it is not yet stored in the 123ignition.
  5. To upload this file to the 123ignition, click on “Write” in the top right corner.

*If you have received a curve file via WhatsApp, you can find it on your device in the folder:

On Android: Android>media>com.whatsapp>WhatsApp>Media>WhatsApp Documents

On iOS: Files>On my iPhone>WhatsApp

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