Before selling your iPhone, you must protect your data and unlock the device for the next owner. First, back up your data using iCloud or a computer, and unpair your Apple Watch. Next, remove Apple ...

One may get you more value for the phone.

While sites like eBay can help you turn old gadgets into cash, they’re also kind of a hassle. You’ve got to create a listing with photos and a description, figure out a competitive sale price, and pay ...