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Airtel launched 4G services on mobile from February 2014. The first city to get the service was Bangalore. [24] [25] Airtel has started their 4G services in Karnal and Yamunanagar in Haryana on 16 June 2015. [26] Airtel 4G trials has been started in Delhi from 18 June 2015. [27] Airtel had 95,173,000 4G subscribers as of June 2019. [28]
Cannot revert to the existing operator before 3 months (for prepaid users)/6 months (for postpaid users) of service to the new operator. [82] [83] Qatar: 2013.01.31 Maximum 1 working day – would be activated the successive day Free, operator can impose SIM card charges if any
Postpaid service mobile phone typically requires two essential components in order to make the 'post-usage' model viable: Credit history/Contractual commitment. This is the basis on which the service provider is able to trust the customer with paying their bill when it is due and to have legal recourse in case of non-payment; Service tenure.
Airtel is the second largest mobile operator with 348.3 million customers as of May 2021. [86] Kenya: Airtel Kenya: Airtel Kenya is the second largest operator and has 8.6 million subscribers. [87] Madagascar: airtel Madagascar Airtel is the market leader in Madagascar with 39% market share and 2.5 million customers. [85] Malawi: airtel Malawi
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CC = Country Code NDC = National Destination Code, identifies one or part of a PLMN SN = Subscriber Number. In the GSM variant PCS 1900, MSISDN is built up as MSISDN = CC + NPA + SN CC = Country Code NPA = Number Planning Area SN = Subscriber Number. The country code identifies a country or geographical area, and may be between 1-3 digits.
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).
in a QR code scanned by the user; by manually entering the SM's host name/Activation code on screen; hard coded by the host device manufacturer in firmware. via a universal discovery service operated by the GSMA. The LPA is responsible for validating the X.509 certificate of the SM is valid and issued by the GSMA certificate authority. [12]