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  2. Jio - Wikipedia

    en.wikipedia.org/wiki/Jio

    Jio sim card pouch as distributed by Reliance Jio Infocomm. In May 2016, Jio launched a bundle of multimedia apps on Google Play as part of its upcoming 4G services. While the apps are available to download for everyone, a user will require a Jio SIM card to use some of them. Notable apps include:

  3. Mobile telephone numbering in India - Wikipedia

    en.wikipedia.org/wiki/Mobile_telephone_numbering...

    The dialing procedure for calls within a state for these states would also be simplified, i.e. dialing of mobile-to mobile subscribers and fixed-to-mobile subscribers would be without prefixing '0'. [3] In December 2017, Reliance Jio started with the newest of all, "the six-series-mobile numbers", keeping in mind the growing number of users in ...

  4. 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).

  5. Bharti Airtel - Wikipedia

    en.wikipedia.org/wiki/Bharti_Airtel

    Bharti Airtel will get an additional 178.5 MHz of spectrum in three bands—1800 MHz, 2100 MHz and 850 MHz—that are widely used for 4G, an area where Airtel is expanding fast to keep pace with Reliance Jio Infocomm. Airtel will also add about 13 million of Tata Tele's mobile subscribers as of April 2019 to its nearly 322 million users.

  6. Jio Platforms - Wikipedia

    en.wikipedia.org/wiki/Jio_Platforms

    Jio Platforms is an Indian multinational technology company, headquartered in Mumbai. It is a subsidiary of Reliance Industries . Established in 2019, it acts as a holding company for India's largest mobile network operator , Jio , and other digital businesses of Reliance. [ 3 ]

  7. List of telecom companies in India - Wikipedia

    en.wikipedia.org/wiki/List_of_telecom_companies...

    There are 4 pay-for-use DTH service providers and one free-to-air service provider (DD Free Dish) in India. [1]As of 30 September 2024, there are 59.91 million active paying DTH subscribers, in addition to the subscribers of state-owned DD Free Dish, in the country according to Telecom Regulatory Authority of India (TRAI).

  8. Rechargeable calling card - Wikipedia

    en.wikipedia.org/wiki/Rechargeable_calling_card

    In reality, the rechargeable calling card is a specialised form of a prepaid or debit account. To use the phone card, the user would call an access number (which is usually a toll-free telephone number), enter the "card number" (also called the PIN) and then dial the desired telephone number. The user could add value to the card at the same ...

  9. 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.