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  1. Oct 25, 2022 · Download Article. 1. Press and hold the Alt key. This method will reset your BlackBerry without having to remove the battery. You cannot perform this method if your BlackBerry does not have a keyboard. 2. Press and hold the Right Shift key. Continue to hold the Alt key while you hold the Shift key. 3.

  2. Aug 15, 2022 · Here are a number of fixes: Ensure the SIM is properly inserted. Test the SIM card on another device to be sure its still active and in good condition. Remove dust, rust or any foreign material inside the SIM slot. Ensure ‘Mobile networks’ is set to ON (Go to Home screen > Manage connections > Ensure Mobile networks in set to ON) Take a ...

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  4. 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. Click Advanced Options. Click SIM Card. Highlight the phone number.

  5. The second option is to reset your password from a computer. Visit the BlackBerry ID reset page linked in the Resources section, click "Reset your password" and follow the on-screen instructions. In both cases, an email will be sent either to the email account associated with your BlackBerry ID or the device itself.

    • Shea Laverty
  6. When you restore the factory default settings, all personal settings are reset. Follow these instructions to restore the factory default settings. All phone data will be deleted. Data on the SIM card is not deleted. Step 1 of 10. Find "Wipe Handheld". Press the Menu key. Step 2 of 10. Find "Wipe Handheld".

  7. Jan 25, 2024 · Step 4: Remove SIM Card. With your device powered off, the next pivotal step in the SIM card reset process is to carefully remove the SIM card from its slot. The SIM card slot is typically located on the side or top of your mobile device, and its precise location may vary depending on the device model.

  8. Sep 23, 2023 · To erase the entire SIM card data using a SIM card reader, follow the steps below. Open the SD card drawer on the reader/writer device and place your SIM card in it. Alternatively, insert the SIM card into a designated slot on the device (similar to a USB stick).