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2. Airalo - Wikipedia

   en.wikipedia.org/wiki/Airalo

   Airalo was founded in 2019 by Ahmet Bahadir Ozdemir, a serial entrepreneur, Abraham Burak, a Canadian businessman, and Duran Akcaylier, a web application designer and developer. [2] [10] [11] Duran Akcaylier left the company in 2020. In May 2024, the company reached 10 million users. [3]

3. 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).

4. SIM Application Toolkit - Wikipedia

   en.wikipedia.org/wiki/SIM_Application_Toolkit

   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 ...

5. eSIM - Wikipedia

   en.wikipedia.org/wiki/ESIM

   An eSIM is not removable. An eSIM ( embedded SIM ) is a form of SIM card that is embedded directly into a device as software installed onto a eUICC chip. First released in March 2016, eSIM is a global specification by the GSMA that enables remote SIM provisioning ; end-users can change mobile network operators without the need to physically ...

6. List of mobile virtual network operators in the United States

   en.wikipedia.org/wiki/List_of_mobile_virtual...

   Apple eSIM supported Worldwide Service Provider [613] Get Mobile Depends on region LTE, 5G Apple/Android/Windows and Connected Car eSIM Supported. Can pay by day, weeks or month. Multi-region is available to allow customers to use the same service in multiple countries. KnowRoaming Telna GSM OneSimCard: AT&T & T-Mobile 2G/3G/4G/5G Telna Telna GSM

7. International mobile subscriber identity - Wikipedia

   en.wikipedia.org/wiki/International_Mobile...

   This is mainly important for international mobile roaming. Outside North America, the IMSI is converted to the Mobile Global Title (MGT) format, standard E.214, which is similar to an E.164 number. E.214 provides a method to convert the IMSI into a number that can be used for routing to international SS7 switches.

8. Mobile number portability - Wikipedia

   en.wikipedia.org/wiki/Mobile_number_portability

   A key technical aspect of Mobile Number Portability (MNP) involves the routing of calls or mobile messages (SMS, MMS) to a number once it has been ported.Various call routing implementations exist globally, but the International and European best practice employs a central database (CDB) of ported numbers.

9. International Mobile Equipment Identity - Wikipedia

   en.wikipedia.org/wiki/International_Mobile...

   Many countries have acknowledged the use of the IMEI in reducing the effect of mobile phone thefts. For example, in the United Kingdom, under the Mobile Telephones (Re-programming) Act, changing the IMEI of a phone, or possessing equipment that can change it, is considered an offence under some circumstances.