What happens if you put your old SIM card in your new phone?

Can I just use my old SIM card in a new phone?

Yes, as long as it is the same size, you can use your old one in a new phone and no additional steps for activation are required. Correct Answer!

Should I throw my old SIM card away?

Unfortunately, this isn’t the case—SIM cards actually hold onto your old contacts, texts, and other personal info, which can be very dangerous in the wrong hands. If you’re getting rid of an old phone, destroying your SIM card is the quickest and easiest way to make sure your data can’t be recovered by anyone else.

Will an iPhone 8 SIM card work in a 13?

It should fit, it is the same size. Both the iPhone 8 Plus and the iPhone 13 use the nano SIM. Make sure you have it oriented correctly with the SIM tray. It should fit, it is the same size.