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  2. www.manualslib.com › manual › 216497BLACKBERRY CURVE 8520 CELL PHONE USER MANUAL | ManualsLib

    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.

  3. robots.net › computing-and-gadgets › mobile-devicesReactivating Your Old SIM Card: A Step-by-Step Guide

    Jan 25, 2024 · By following the outlined steps, you can potentially save time and money, as reactivating an old SIM card eliminates the need to acquire a new one. Additionally, it allows you to retain your existing phone number, sparing you the inconvenience of updating your contacts with a new set of digits.

  4. blog.talkhome.co.uk › how-to › steps-before-changingWhat to Do Before Changing SIM Card? A Step-by-Step Guide

    Jan 29, 2024 · Send a Universal Message. Keep your circle in the loop by sending a universal message. Send a text to your contacts and inform them of the upcoming SIM card change. You may Include the date of the switch and your new contact details.

  5. www.wikihow.com › Reset-a-BlackBerry3 Ways to Reset a BlackBerry - wikiHow

    • Overview
    • Hard Reset
    • Soft Reset
    • Factory Reset

    If your BlackBerry isn't working, perform a hard, soft, or factory reset using these simple steps

    Smartphones are great, at least when they work. When they don’t, they’re nothing more than expensive paperweights. If your BlackBerry is frozen or unresponsive, a quick reset may be just the ticket to get it up and running again. Follow this guide to restore your BlackBerry to its former glory.

    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.

    See full list on wikihow.com

    Open the battery cover on the back of the BlackBerry.

    Remove the battery from the phone.

    You can perform a hard reset on the BlackBerry Z10 by pressing and holding the Power button on the top of the phone for about 10 seconds.

    Reinsert the battery after a few seconds.

    To be on the safe side, wait for up to 30 seconds and then reinsert the battery into the back of the phone.

    The BlackBerry should reboot and function normally. You may have to power the BlackBerry back on with the Power button.

    See full list on wikihow.com

    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.

    Press and hold the Right Shift key.

    Continue to hold the Alt key while you hold the Shift key.

    Press and hold the Backspace/Delete key.

    Make sure you are continuing to hold the Alt and Shift keys while you hold the Backspace/Delete key.

    See full list on wikihow.com

    Open the Options on your home screen.

    Performing a factory reset, or security wipe, will remove all of your personal information and reset the phone to the state it was in when it came out of the box.

    In the Security Settings menu, select Security Wipe.

    Choose what you want erased.

    Check the boxes for each of the items that you want wiped from the phone. If you want to completely erase your information, ensure that all of the boxes are checked.

    To perform the wipe, you will need to enter the code. Type “blackberry” into the box and then select Wipe.

    See full list on wikihow.com

  6. techwithtech.com › getting-old-phone-number-backGetting Old Phone Number Back: How to? - Tech With Tech

    Nov 10, 2022 · Here’s how to get your old phone number back: Phone companies and carriers own phone numbers. They are in charge of deactivating and reactivating them, along with recycling them. If you have an old phone number that you want back, contact your carrier.

  7. www.wikihow.com › Keep-Your-Old-Phone-Number3 Ways to Keep Your Old Phone Number - wikiHow

    Mar 29, 2022 · Requesting a new SIM card with the same number can either be free or may come with a little fee, depending on the service you're using. 3. Use your new SIM card with the same number. Insert the SIM card into your phone and use it like the old one you have.

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  9. robots.net › computing-and-gadgets › mobile-devicesRetaining Your Old Number When Changing SIM Cards

    Jan 22, 2024 · Obtain a PAC Code: Upon contacting your current service provider, you will be provided with a Porting Authorization Code (PAC) or equivalent code, which is essential for transferring your old number to the new SIM card or service provider.