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How do I know if my cellphone can use an eSIM? More than 200 devices support the technology, CCS Insight says. U.K. phone company Vodafone has a list of compatible devices. Or dial (asterisk)#06 ...
eSIMs cannot be easily transferred to another phone; the process usually requires technical support. [37] If a phone is broken, anything restricted to the eSIM's network becomes inaccessible; in particular, calls cannot be received, and resources (calls, SMS, data) paid for cannot be used.
[1] [2] The specification was originally part of the GSMA's work on eSIM [3] and it is important to note that remote SIM provisioning is just one of the aspects that this eSIM specification includes. The other aspects being that the SIM is now structured into "domains" that separate the operator profile from the security and application "domains".
A data-only SIM card can be used on tablets and other compatible devices, including the 2013 Nexus 7, Nexus 9, and iPad Air 2. The devices must be compatible with the T-Mobile network, and users can add up to 4 data-only SIM cards in one account (before July 2019 the limit was 9 data-only SIM cards in one account). [40] [41] [42]
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.
Big Sky Mobile: GSM: EDGE: Unknown: 2017: Sold spectrum licenses to AT&T and T-Mobile and exited the business. [41] Blaze Wireless: GSM, UMTS: EDGE, HSPA+, LTE: Unknown: December 2019: Parent company, Pinpoint Communications, discontinued cellular service and spectrum leases through Viaero Wireless were cancelled. Blue Wireless: CDMA2000: EV-DO ...
Fresh Mobile: T-Mobile: 19 March 2010 [42] Ceased operations. Existing customers were encouraged to move to the sister network, Talkmobile. KCOM Mobile: O2: 2019 GT Mobile: O2: July 2016: Existing customers were consolidated in the sister brand, Lycamobile. [43] Kontakt Mobile Vodafone: 15 December 2016 [44] Ceased operations. LIFE Mobile: EE ...
Mobile virtual network operators (MVNOs) in the United States lease wireless telephone and data service from the four major cellular carriers in the country—AT&T Mobility, Boost Mobile, T-Mobile US, and Verizon—and offer various levels of free and/or paid talk, text and data services to their customers.