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2. What is an eSIM and do I need one? 5 common questions ... - AOL

   www.aol.com/esim-one-5-common-questions...

   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.

3. Remote SIM provisioning - Wikipedia

   en.wikipedia.org/wiki/Remote_SIM_provisioning

   The language that is used to describe these specification is a little confusing since eSIM is not a physical format (or "form factor" - the phrase that is used to describe the various SIM sizes). The eSIM describes the functionality in the SIM, not the physical size of the SIM - and there are eSIMs in many formats (2FF, 3FF, 4FF, MFF).

4. eSIM - Wikipedia

   en.wikipedia.org/wiki/ESIM

   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 swap a SIM from the device.

5. SIM card - Wikipedia

   en.wikipedia.org/wiki/SIM_card

   A typical SIM card (mini-SIM with micro-SIM cutout) A SIM (Subscriber Identity Module) card 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).

6. T-Mobile US - Wikipedia

   en.wikipedia.org/wiki/T-Mobile_US

   T-Mobile US, Inc. is an American wireless network operator headquartered in Bellevue, Washington. Its largest shareholder is Deutsche Telekom, a company that operates telecommunications networks in several other countries. T-Mobile is the second largest wireless carrier in the United States, with 127.5 million subscribers as of September 30 ...

7. Samsung Galaxy Note 20 - Wikipedia

   en.wikipedia.org/wiki/Samsung_Galaxy_Note_20

   It has NFC, eSIM, and Ultra-wideband technology. [21] On April 14, 2021, the Galaxy Note20 Ultra 5G T-Mobile updated software to support eSIM and dual SIM (DSDS). Other carriers still do not enable the two features even though the Galaxy Note20 Ultra already supports eSIM out of the box. [22]