The Line app on my watch is asking for an update, but I can't update it

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To update the watch to the newest version of LINE (LINE Lite), please follow the steps below:

  1. Open the dial pad on the watch
  2. Enter the following code exactly as shown: #174714#
  3. Press the green call button, then tap OK

The watch will begin a factory reset.

Once the watch finishes rebooting:

  • Open the App Store on the watch (swipe left to right from the Home Screen)
  • You will see LINE Lite available to download
  • Install the app and sign in using your previous LINE credentials

If you need assistance during the process or have any questions, just let us know—we’re happy to help.

Jan 16, 2026

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