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Phones with a dual SIM feature allow for a physical SIM and an eSIM to support two phone numbers on a single device. Flagship devices all have dual SIM support for physical and eSIM cards.
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.
SmarTone Telecommunications Holdings Limited (0315.HK), listed in Hong Kong since 1996 and a subsidiary of Sun Hung Kai Properties Limited, is a leading telecommunications provider with operating subsidiaries in Hong Kong, offering voice, multimedia and mobile broadband services, as well as fixed fibre broadband services for both consumer and corporate markets.
This list of mobile app distribution platforms includes digital distribution platforms, or marketplace 'app stores', intended to provide mobile applications, aka 'apps' to mobile devices. For information on each mobile platform and its market share, see the mobile operating system and smartphone articles.
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).
Ericsson's (ERIC) Spectrum Sharing allows communications service providers to run LTE and 5G New Radio simultaneously on the same carrier frequencies and base station hardware.
There may be compatibility issues with some phones. An eSIM cannot be physically removed from a device, which some might view as a disadvantage if they are concerned about being tracked. [34] The implementation of the eSIM on the Samsung Galaxy series in North America (USA and Canada) is different than the implementation in the rest of the world:
Sun Mobile Limited (branded as SUN Mobile), formerly known as New World Mobility Limited, is a mobile network operator brand and company in Hong Kong. It is a joint venture of HKT and Telecom Digital [].