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crwdns2944351:0crwdnd2944351:0Samsung Galaxy S10 SIM Card Replacementcrwdnd2944351:0crwdne2944351:0

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Introduction
The Galaxy S10 has a hybrid SIM card tray. Ejecting this tray allows you to replace the nano SIM card, add a MicroSDmicroSD memory card, or add a second nano SIM card (certain models only).
'''Be sure to follow this guide carefully, inserting the eject tool into the right hole.''' The other hole houses a microphone, which can be damaged by the eject tool.