How to painlessly switch iPhones and keep all of your data

Switching iPhones doesn't have to involve losing data.Hollis Johnson/Business Insider
To smoothly switch from one iPhone to another, you should sync everything to your iCloud account.
Once you log into iCloud on a new iPhone, your data will move over and redownload itself.
To carry your phone number over, you'll also have to switch out the iPhone's SIM card.
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Apple releases new versions of the iPhone every year. And while buying a new phone