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Are you switching phones or carriers? You'll need to learn how to remove a SIM card from your Android phone. Let's help you out!
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.
Push the pin in, the tray should pop out and you can load the needed card into the tray. The tray closest to the power button is for your network SIM card from your wireless carrier.
2. Check SIM Card and Tray Ensure the SIM card is properly seated in its slot: Turn off your iPhone and remove the SIM card. Check the SIM card for any visible damage.