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Vodafone Limited, (stylised as vodafone), trading as Vodafone UK, is a British telecommunications company, owned by Vodafone Group, the world's eighth-largest telecommunications company. [3] Vodafone is the third-largest mobile network operator in the United Kingdom , with 18.4 million subscribers as of November 2024, [ 4 ] after O2 and EE ...
Vodafone: 15 December 2016 [38] Ceased operations. LIFE Mobile: EE: 29 November 2016 [39] Acquired by Plusnet. Mobile by Sainsbury's: Vodafone: 15 January 2016 [40] Ceased operations. Our Telecom EE: 16 August 2016 [41] Dissolved. Ovivo Mobile: Vodafone: 19 March 2014 [42] Ceased operations. PG Mobile Three: 2016 [43] Ceased operations. Plusnet ...
For GSM, UMTS and LTE networks, this number was provisioned in the SIM card and for cdmaOne and CDMA2000 networks, in the phone directly or in the R-UIM card (the CDMA equivalent of the SIM card). Both cards have been superseded by the UICC. An IMSI is usually presented as a 15-digit number but can be shorter.
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).
The IMSI is often used as a key in the home location register ("subscriber database") and the MSISDN is the number normally dialed to connect a call to the mobile phone. A SIM has a unique IMSI that does not change, while the MSISDN can change in time, i.e. different MSISDNs can be associated with the SIM.
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sim card of the new mobile company that will cost around 15 PEN. United States: 2003.11.24 0 Free iconectiv manages the Number Portability Administration Center (NPAC), the largest number portability system in the world. Consisting of seven regional systems, the NPAC facilitates number porting across all Service Providers in the United States.
Ofcom, UK's telecom regulator, allowed 3 to sell a mobile phone with the SIM card permanently superglued to the phone. [66] Most operators offer some form of unlocking service, depending on the state of the contract and the model of phone, but usually for a charge.