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  2. What’s a Personal Identification Number (PIN) - AOL

    www.aol.com/finance/personal-identification...

    By using a PIN, card or account holders can: Prevent potential fraud from happening to a bank or credit card account. ... Never sharing a PIN over the phone, through text message or online.

  3. Account Management - AOL Help

    help.aol.com/products/my-account

    Add, replace or remove AOL account recovery info Find out how to add or delete a recovery mobile phone number or alternate email address from your AOL account. Account Management · May 1, 2024

  4. Use Face, Fingerprint or PIN to sign in to AOL

    help.aol.com/articles/use-face-fingerprint-or...

    The option to enable biometrics as a sign-in method may not yet be available for you. If you see the option to enable it when you sign in, follow the prompts to complete the process.

  5. Personal identification number - Wikipedia

    en.wikipedia.org/wiki/Personal_identification_number

    A mobile phone may be PIN protected. If enabled, the PIN (also called a passcode) for GSM mobile phones can be between four and eight digits [41] and is recorded in the SIM card. If such a PIN is entered incorrectly three times, the SIM card is blocked until a personal unblocking code (PUC or PUK), provided by the service operator, is entered. [42]

  6. Add, replace or remove AOL account recovery info

    help.aol.com/articles/add-or-update-aol-account...

    Keep a valid mobile phone number or email address on your account in case you ever lose your password or run into a prompt to verify your account after signing in. We'll also include your recovery email address when sending a notification of changes made to your account. Add a mobile number or email address

  7. Personal unblocking key - Wikipedia

    en.wikipedia.org/wiki/Personal_unblocking_key

    If the wrong PIN is entered more than three times, the SIM card will become locked. It can be unlocked by entering the PUK code provided by the mobile service provider, [1] which may be available on the SIM card's packaging, the contract, or provided by customer service after identity verification. After the PUK code is entered, the PIN must be ...

  8. Telephone card - Wikipedia

    en.wikipedia.org/wiki/Telephone_card

    A telephone card, calling card or phone card for short, is a credit card-size plastic or paper card used to pay for telephone services (often international or long-distance calling). It is not necessary to have the physical card except with a stored-value system; knowledge of the access telephone number to dial and the PIN is sufficient.

  9. What is a credit card security code? - AOL

    www.aol.com/finance/credit-card-security-code...

    Paying with a digital wallet, your card’s chip and PIN method or a virtual credit card number can add an extra safety net if your data is exposed to skimmers or cybercriminals.