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SIM Application Toolkit (STK) is a standard of the GSM system which enables the subscriber identity module (SIM card) to initiate actions which can be used for various value-added services. [1] Similar standards exist for other network and card systems, with the USIM Application Toolkit (USAT) for USIMs used by newer-generation networks being ...
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.
Mobile virtual network operators (MVNOs) in the United States lease wireless telephone and data service from the four major cellular carriers in the country—AT&T Mobility, Boost Mobile, T-Mobile US, and Verizon—and offer various levels of free and/or paid talk, text and data services to their customers.
The mobile operator said it would offer Sim cards with 20GB of free data each month for six months, as well as access to free calls and texts. Vodafone to offer free mobile connectivity to 200,000 ...
Free TV Networks is an American specialized digital multicasting and advertising-supported video on demand network media company. The company owns and operates three broadcast television networks. The company was founded and is led by broadcasting veteran Jonathan Katz, who previously launched what is now the Scripps Networks division of ...
A typical SIM card (mini-SIM with micro-SIM cutout) A SIM card or SIM (Subscriber Identity Module) 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).
As of 30 September 2024, Vi has a subscriber base of 212.45 million, [10] making it third largest mobile telecommunications network in India and 12th largest mobile telecommunications network in the world. [11] Vodafone Idea was created on 31 August 2018 by the merger of Vodafone India and Idea Cellular. [12]
Vodafone Romania S.A. is a Romanian telecommunications operator owned by Vodafone Group Plc. [1] It launched in April 1997 as the first GSM network in Romania.. Before acquisition by Vodafone Group Plc, it was known as Connex, after which it was rebranded Connex-Vodafone and in April 2006, the Connex name was dropped, the operator being simply known as Vodafone Romania, aligning itself with ...