If your phone suddenly won't recognize your SIM card, don't panic. There are a few things you can do to try and resolve the problem. Here's what to do.

Thanks to the glacially slow progress of e-SIMs, smartphones are still shipping with a physical SIM card slot. While Samsung's Galaxy S21 (review) actually ...

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You’ll poke that in the hole next to the SIM card or SD card slot to pop open the tray then pull it out. Now just place your SIM card or SD card on the tray and put it back into the One Remix.

In this quick guide, we'll walk you though how to insert/remove a SIM card or microSD card from your Samsung Galaxy Note 7.

One of the first things you should do when you get your Galaxy Note 8 is to put the SIM into the device. Here's how to insert a SIM card into Galaxy Note 8.

How to activate a T-Mobile SIM card on your phone Activating a T-Mobile SIM card with your phone is the most common method. These steps show you how to do it: Power down your phone and then insert ...

The tray closest to the top is for the microSD card, and remember you can put up to a 32GB microSD card to expand the storage space of your phone.

The metallic contacts of SIM card should face downward. Once you’ve put the SIM card to the tray, carefully insert the tray back to the phone. Done!

Turn the phone back on and see if it now detects your network. How to remove a SIM card from a Google Pixel 3 Removing a SIM card from your Google Pixel 3 device is as simple as inserting it.