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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. 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]

  4. SIM lock - Wikipedia

    en.wikipedia.org/wiki/SIM_lock

    Usually the unlock process is permanent. The code required to remove all locks from a phone is referred to as the master code, network code key, or multilock code. If the phone is network locked it will typically display one of the following messages: SIM network PIN blocked, Enter lock PIN.

  5. Globe Telecom - Wikipedia

    en.wikipedia.org/wiki/Globe_Telecom

    Globe Telecom, Inc., commonly shortened as Globe, is a major provider of telecommunications services in the Philippines. The company operates one of the largest mobile, fixed-line and broadband networks in the Philippines. As of November 2023, Globe has 54.7 million subscribers, making it the second largest network in terms of subscriber base. [7]

  6. One-time password - Wikipedia

    en.wikipedia.org/wiki/One-time_password

    MasterCard SecureCode uses OTAC to confirm a user's identity One time authorization code as used in Yammer's desktop client. A one-time password (OTP), also known as a one-time PIN, one-time passcode, one-time authorization code (OTAC) or dynamic password, is a password that is valid for only one login session or transaction, on a computer system or other digital device.

  7. Phone cloning - Wikipedia

    en.wikipedia.org/wiki/Phone_cloning

    A selection of mobile phones that can be cloned. Code-Division Multiple Access (CDMA) mobile telephone cloning involves gaining access to the device's embedded file system /nvm/num directory via specialized software or placing a modified EEPROM into the target mobile telephone, allowing the Electronic Serial Number (ESN) and/or Mobile Equipment Identifier (MEID) of the mobile phone to be changed.

  8. PUK - Wikipedia

    en.wikipedia.org/wiki/PUK

    Download QR code; Print/export Download as PDF; Printable version; ... Pin Unlock Key or personal unblocking code (PUC), a code used in GSM mobile phones; PUK welding

  9. SIM swap scam - Wikipedia

    en.wikipedia.org/wiki/SIM_swap_scam

    A SIM swap scam (also known as port-out scam, SIM splitting, [1] simjacking, and SIM swapping) [2] is a type of account takeover fraud that generally targets a weakness in two-factor authentication and two-step verification in which the second factor or step is a text message (SMS) or call placed to a mobile telephone.