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  1. Oct 25, 2022 · To perform a hard reset, remove the battery for a few seconds and then reinsert. For a soft reset, press and hold the Alt, Right-Shift, and Backspace/Delete keys. To restore your Blackberry to its original factory settings, go to Options > Security Settings > Security Wipe.

  2. Insert a SIM removal tool into the hole of the SIM card tray to release the tray. A paperclip or a pushpin can be used instead of a SIM removal tool if you don't have one. Afterwards, pull the SIM card tray out of the BLACKBERRY Classic Non Camera. Set your SIM card into the tray. Then push the SIM tray back into the phone. Finally, you may ...

  3. Page 36: Phone Troubleshooting. My phone number appears as Unknown in the phone application If your BlackBerry® device 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.

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  5. Step 1. Insert the SIM card into your phone. Step 2. Access the "Phonebook" menu options and select "Management" or "Settings." Step 3. Choose "Delete All" and confirm the action. The phonebook has now been reset to default status. Step 4. Access the "Messages" menu options and select "Settings." Choose "Delete All" from the available options.

  6. Sep 23, 2023 · If the issue persists, reset your SIM card. Turn off your phone. Use the SIM card removal tool or a paperclip to pop out the SIM card tray, remove the card, and then carefully place the SIM card back into the SIM card slot. Then turn the back cover on if necessary and turn on the phone. Test SIM Card in Another Device.

  7. Aug 5, 2010 · Need help figuring out how to use the SIM Card Contact Wizard on your BlackBerry? This clip will show you how it's done. Whether you're the proud owner of a BlackBerry smartphone or are merely considering picking one up, you're sure to be well served by this video guide. For detailed information, including step-by-step instructions, take a look.

  8. Jan 25, 2024 · Mobile Devices. Introduction. Resetting your SIM card can be a simple yet effective solution to various connectivity issues on your mobile device. Whether you're experiencing problems with call quality, data connectivity, or network reception, a reset can often resolve these issues and get you back on track.