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  2. SIM lock - Wikipedia

    en.wikipedia.org/wiki/SIM_lock

    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.

  3. Idea Cellular - Wikipedia

    en.wikipedia.org/wiki/Idea_Cellular

    It was announced in March 2017 that even Idea Cellular and Vodafone India would be merged. The merger got approval from Department of Telecommunications in July 2018. On August 30, 2018, National Company Law Tribunal gave the final nod to the Vodafone-Idea merger [ 1 ] The merger was completed on 31 August 2018, and the newly merged entity was ...

  4. Vodafone Idea - Wikipedia

    en.wikipedia.org/wiki/Vodafone_Idea

    Vodafone Idea, in acronym Vi, is an Indian telecommunications company, headquartered in Mumbai and Gandhinagar. [ 7 ] [ 8 ] [ 9 ] It is an all-India integrated GSM operator offering mobile telephony services.

  5. SIM card - Wikipedia

    en.wikipedia.org/wiki/SIM_card

    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).

  6. 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 ...

  7. List of mobile network operators - Wikipedia

    en.wikipedia.org/wiki/List_of_mobile_network...

    Vodafone Idea Ltd India List. GSM, ... Government of India (23.8%) Vodafone Group Plc (23.2%) Aditya Birla Group (15%) 13 Axiata Group Berhad: List. Bangladesh ...

  8. Unlocked iPhone FAQ, including AT&T plan info (updated) - AOL

    www.aol.com/news/2011-06-14-unlocked-iphone-faq.html

    Updated with information about AT&T plans. As we posted earlier, Apple is selling an unlocked version of the iPhone in the US starting at US$649. To help clarify questions about this development ...

  9. LTE frequency bands - Wikipedia

    en.wikipedia.org/wiki/LTE_frequency_bands

    Australia , New Zealand (Spark, Vodafone), French Polynesia (Vini, Viti, PMT-Vodafone) 08 FDD 900 E-GSM No Argentina, Brazil, Peru British Virgin Islands, Cuba (ETECSA) Yes Nigeria , South Africa Yes Australia , New Zealand 11 FDD 1500 LPDC No No No No No Japan (au, SoftBank) No 12 FDD 700