A SIM card, or subscriber identity module, is a small card in your cellphone that lets you place phone calls, send text messages, and more.

It looks like Samsung is cooking up a new eSIM transfer tool to make porting your number from an iPhone a little less annoying.

You can remove the SIM card from your Samsung Galaxy S10 using the SIM removal tool that came with your phone, or a very thin paperclip.

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Learn what an eSIM is, how to set one up, and why digital SIM cards are transforming mobile connectivity. Discover the best eSIM options for travel, iPhone, and Android in this complete 2025 guide.

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Think of RAM like your phone’s short-term memory; it helps apps run smoothly when they’re open. More RAM means you can use ...