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  2. List of mobile network operators in Asia and Oceania - Wikipedia

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

    As of March 2023, the penetration rate in Hong Kong was estimated at 282% over a population estimate of over 7.473 million, with 21.61 million public mobile subscriptions. [30] Hong Kong's telecom regulator is the Office of the Communications Authority (OFCA).

  3. Mobile number portability - Wikipedia

    en.wikipedia.org/wiki/Mobile_number_portability

    Mobile number portability (MNP) allows people to keep their phone numbers when switching to a new mobile network. Moreover, it has been implemented in various ways across the globe. Moreover, it has been implemented in various ways across the globe.

  4. Remote SIM provisioning - Wikipedia

    en.wikipedia.org/wiki/Remote_SIM_provisioning

    In practise "eSIM upgrade" in the form of a normal SIM card [4] is possible (using the Android 9 eSIM APIs) or eSIM can be included into an SOC. [5] The requirement of GSMA certification is that personalisation packet is decoded inside the chip and so there is no way to dump Ki, OPc and 5G keys.

  5. Local number portability - Wikipedia

    en.wikipedia.org/wiki/Local_number_portability

    Local number portability (LNP) for fixed lines, and full mobile number portability (FMNP) for mobile phone lines, refers to the ability of a "customer of record" of an existing fixed-line or mobile telephone number assigned by a local exchange carrier (LEC) to reassign the number to another carrier ("service provider portability"), move it to another location ("geographic portability"), or ...

  6. eSIM - Wikipedia

    en.wikipedia.org/wiki/ESIM

    If the phone is stolen, it can be tracked by "find my phone" services, while a physical SIM can be removed. [34] The risk of damaging a SIM socket's delicate contacts inserting and removing a SIM is eliminated. Phones with eSIM only do not need to be built with hardware SIM holders or means to insert them.

  7. 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] Truphone: T-Mobile: GSM & UMTS: Apple eSIM supported Worldwide Service Provider [613] Ubigi: Various: Various: Apple/Android/Windows and Connected Car eSIM Supported. Pronounced You-bee-gee. Subsidiary of Transatel. Operates on MNC 901-37. /> Saily Various 4G/5G

  8. Telecommunications in Singapore - Wikipedia

    en.wikipedia.org/wiki/Telecommunications_in...

    In 2002, Virgin Mobile in a joint venture with Singtel, set up the fourth telecommunications company in Singapore. It was the first mobile virtual network operator (MVNO) in Singapore. The operations were closed down on 11 October 2002 after failing to attract a significant number of customers.

  9. Telephone numbers in China - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_China

    In mainland China, mobile phone numbers have eleven digits in the format 1xx-XXXX-XXXX (except for 140–144, which are 13-digit IoT numbers), in which the first three digits (13x to 19x) designate the mobile phone service provider. Before GSM, mobile phones had 6-digit (later upgraded to 7-digit) numbers starting with nine.

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