Inserting a SIM card (or two) into your Galaxy S21 should be a stress-free experience so we've detailed the steps for you after the break in the form of a video as well as written instructions.

The tray pops out. Remove the SIM card from its packaging and place it on the tray. The kit has nano, micro, and standard sizes. Insert the SIM card into the tray. Turn your device on.

Here’s how to remove and reinsert your SIM card. Step 1: Gently insert a paper clip or the SIM-eject tool that came with your iPhone into the hole in the outer edge of the tray.

In India, many users face SIM card problems after moving to a new phone. If key settings are not activated, your SIM may stop ...

T-Mobile's self-service SIM managing tool is back in the T-Life app. Here's how to get it set up and transfer your own SIM cards and eSIMs on your own.

Does your phone say "No SIM," "No SIM Card Installed,” or "No SIM available"? Here's what that means and how you can fix it.