If you waited patiently for the release of Samsung's S20, or browsed through your iPhone 11 settings to check for the elusive caller filter (yes, it's a real thing), you may have come across the word dual SIM or eSIM.
If you're not sure if eSIM stands for electronic SIM or "Embedded Subscriber Identification Module" (the latter, you guessed right), then we've covered the basics. Here is a helpful infographic answer "What is an eSIM?"and" How does eSIM work?.
infographic by: www.esim.net
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