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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. 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.

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  4. 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.

  5. Aug 13, 2017 · The specific steps for resetting a phone's SIM card will depend on the type of phone you are using and the data stored in the card. Although the menu setting...

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  6. 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).

  7. Mar 4, 2011 · Perform a master reset on a BlackBerry Curve. Alright BlackBerry users, it's time to wipe all that information before you sell, or pass on your BB to someone else. This simple how-to video will let you wipe it all, simply and easily. If you desire you can also choose to leave in your sim card and wipe the contents of that as well.

  8. Apr 27, 2016 · To follow this method, you'll need a BlackBerry with a QWERTY keyboard. Press the Alt key and hold it down, then press the Right Shift key and hold it down, and then hit the Delete and hold it down (you should now have all three keys pressed together). After a short wait, your screen should go black and your phone will restart, reloading the ...

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