BlackBerry Bold.
Picture showing a Blackberry Bold.

My BlackBerry Phone Number is Not Showing, Says "Unknown"

If it says "Unknown" in the My Number then you will need to add your phone number using the following instructions:

1. Go to Settings > Options

2. Choose Advanced Options > SIM Card

3. Highlight/select the text Phone Number: and hit the Menu key while it's already highlighted.

4. From the menu choices select Edit SIM Phone Number. Then from the popup dialogue you should be able to enter your number manually.

5. Once you have entered your phone number click OK to save.