This article is more than 5 years old. Follow Graham Cluley on Twitter to read more of the exclusive content we post. Follow the steps provided above, and enjoy your new Apple device without having to worry about someone compromising the security of your old iPhone. Backing up your data will allow you to save and upload your data onto your new iPhone 7. Un-Find your phone is enabled so that everyone can use their new phone without a hitch. Eject the SIM card so that you can transfer it to your new phone, store it in a safe place or destroy it.”]
Source: https://grahamcluley.com/iphone-7-sell-old-phone-tips/