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.
- On the home screen or in a folder, click the Options icon.
- Click Device > Advanced System Settings > SIM Card.
- Highlight the phone number.
- Press the key > Edit SIM Phone Number.
- Type your phone number.
- Click OK.
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