A SIM card – where SIM stands for "Subscriber Identity Module" – is a small piece of plastic with a chip embedded in it. Its main purpose is to let your phone connect to a cellular network and to let your carrier know that it is you using service on that particular device. An eSIM serves pretty much the same set of tasks, but differs from its traditional counterpart in a number of ways. One key difference is that it is embedded in the device, hence the "e" in the name; an eSIM is not removable, and it actually doesn't need to be.
Soon after their official ...
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