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My phone number appears as Unknown in the Phone application

If your BlackBerry® smartphone uses a SIM card, try changing the phone number on your SIM card to change how your phone number appears in the Phone application.

  1. On the Home screen or in a folder, click the Options icon.
  2. Click Device > Advanced System Settings > SIM Card.
  3. Highlight the phone number.
  4. Press the Menu key > Edit SIM Phone Number.
  5. Type your phone number.
  6. Click OK.

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