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A personal unblocking key ( PUK ), sometimes called personal unblocking code ( PUC ), is used in SIM cards to reset a personal identification number (PIN) that has been lost or forgotten. Most mobile phones offer the feature of PIN protection. After switching on the phone, if the PIN security function is active, the user is required to enter a ...
A SIM lock, simlock, network lock, carrier lock or ( master) subsidy lock is a technical restriction built into GSM and CDMA [ 1] mobile phones by mobile phone manufacturers for use by service providers to restrict the use of these phones to specific countries and/or networks. This is in contrast to a phone (retrospectively called SIM-free or ...
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]
Unstructured Supplementary Service Data ( USSD ), sometimes referred to as " quick codes " or " feature codes ", is a communications protocol used by GSM cellular telephones to communicate with the mobile network operator 's computers. USSD can be used for WAP browsing, prepaid callback service, mobile-money services, location-based content ...
A nano sim used in mobile phones. One of the key features of GSM is the Subscriber Identity Module, commonly known as a SIM card. The SIM is a detachable smart card [2] containing a user's subscription information and phone book. This allows users to retain their information after switching handsets.
Proximus Accelerators is the ecosystem of IT partners Be-Mobile, ClearMedia, Codit, Davinsi Labs, Proximus Spearit [3] and Telindus. Since 31 December 2023, 53,51% of the Proximus Group is owned by the Belgian State. Proximus owns 4,56% of its own shares, and the remaining 41,93% are free tradable on the market.
1) Protect Your Phone Number. It's downright frightening how badly your identity and online security can be compromised with just your phone number, especially given how many sites and apps ...
Proximus. Proximus (stylised as pro⌘imus; formerly known as Belgacom Mobile) is the largest of Belgium 's three mobile telecommunications companies and is a part of Proximus Group (previously Belgacom Group). [ 1] It competes with Orange Belgium and Base .