To switch from one iPhone to another, you should back up everything to your iCloud account and then restore it on the new iPhone.

A SIM card, or subscriber identity module, is a small card in your cellphone that lets you place phone calls, send text messages, and more.

Unboxing a new iPhone shouldn't make you anxious about whether your information will safely transfer to the new phone. These are the ways to do it easily and safely.

To transfer contacts from iPhone to iPhone, using iCloud is the easiest method. Ensure both iPhones are signed in with the same Apple ID/Apple Account. On both phones, open Settings > tap your name > ...

The newer eSIM technology, which is quickly becoming the standard on high-end phones, is safer and more convenient.