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  2. 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 ...

  3. SIM card - Wikipedia

    en.wikipedia.org/wiki/SIM_card

    A typical SIM card (mini-SIM with micro-SIM cutout) A SIM (Subscriber Identity Module) card is an integrated circuit (IC) intended to securely store an international mobile subscriber identity (IMSI) number and its related key, which are used to identify and authenticate subscribers on mobile telephone devices (such as mobile phones and laptops).

  4. Apple SIM - Wikipedia

    en.wikipedia.org/wiki/Apple_SIM

    The Apple SIM is known as a Removable SIM with Remote Provisioning [5] – it is a special SIM card that may be configured with different operator profiles. This is in contrast to an embedded SIM, which is not removable and may also be remotely provisioned. It appears that Apple has begun to include both types of SIM in their newer devices. [6]

  5. eSIM - Wikipedia

    en.wikipedia.org/wiki/ESIM

    The first iPhone models to not have a SIM card tray and work exclusively with eSIM were the iPhone 14 and iPhone 14 Pro, announced in 2022. [20] Outside the United States, all iPhone models continue to be sold with support for physical SIM cards, but the iPad Air (6th generation) , iPad Pro (7th generation) , and iPad Mini (7th generation ...

  6. 9 ways scammers can use your phone number to try to trick you

    www.aol.com/news/9-ways-scammers-phone-number...

    SIM swapping or a port-out scam is when scammers transfer your phone number to a new SIM card in their possession. By convincing your mobile carrier to reroute your number, they can receive all ...

  7. SIM lock - Wikipedia

    en.wikipedia.org/wiki/SIM_lock

    This is in contrast to a phone (retrospectively called SIM-free or unlocked) that does not impose any SIM restrictions. Generally phones can be locked to accept only SIM cards with certain International Mobile Subscriber Identities (IMSIs); IMSIs may be restricted by: Mobile country code (MCC; e.g., will only work with SIM issued in one country)

  8. Turbo SIM - Wikipedia

    en.wikipedia.org/wiki/Turbo_SIM

    However, dual SIM technologies have been found not to work with some phones. This device, and those like it, use a small microcontroller (the original Turbo SIM used an Atmel ATmega128) to intercept traffic between the cell phone and the original SIM card, and modify this traffic based on programming stored in the microcontroller. [3]

  9. The 20 best gifts to give someone you don't know very well - AOL

    www.aol.com/lifestyle/the-best-gifts-to-give...

    AMC Theatres Gift Card Pretty much anyone loves going to the movies. If you have an AMC theater in your area, load up a few gift cards with enough cash to enjoy their next film — and perhaps ...