You Don't Have To Turn Off Your Phone To Switch SIM Cards (But You Probably Should)
A quick step removes the small chance of anything going wrong and requiring more of your time.
Mikhail Artamonov/Shutterstock
If your phone has a SIM tray, it's not something you likely open often, but there are still reasons to. You may be switching to an MVNO to save money, or maybe you're temporarily swapping out your normal SIM for a cheaper local carrier when travelling. In some cases, your carrier will send you a replacement card if yours is damaged.
Most of today's smartphones let you switch SIMs with the phone on, so you don't need to switch your device off for the process. But there are modest benefits if you do, and for something so quick, it's better to be safe if you have a few minutes.
How to replace the SIM
We're talking about physical SIM cards, which you have to remove from your phone by hand....
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