Upgrading your iPhone? Whether moving to the latest model—like the iPhone 13 at the time of this article's last update—or keeping your current one functional, you'll need to decide: sell it, trade it in, or give it away? This comprehensive guide, drawn from hands-on experience with Apple devices, covers preparing your phone securely and maximizing its value through trusted selling options.
Before anything else, back up your phone (details below). iCloud Backup is simplest, allowing direct transfer from your old device or from the cloud to your new one.
Then, transfer data via Settings > General > Transfer or Reset iPhone. Newer iOS versions offer a "Quick Start" wizard to guide setup and check trade-in eligibility.

Secure all data via iCloud, your Mac/PC, or other storage. For iCloud:
Alternatively, back up to a Mac (Finder on macOS 10.15+ or iTunes earlier) or Windows PC (iTunes).
Once data is backed up and transferred, erase everything securely.
First, disable key features:
Sign out of Apple ID:
Finally:


Remove case/stickers, note scratches/dents for disclosure. Clean with a microfiber cloth or screen wipe (keep protector if intact). Take clear photos for listings and records.
Compare these vetted platforms for a 256GB iPhone 11 in good condition (quotes at publication):
Apple Trade-In: Ideal pre-purchase; get $390 credit for future buys via Apple's trade-in page.
Decluttr: Instant online quote ($401), ship within 28 days; revised offer if needed.
Best Buy: Mail or in-store for gift card ($360–$400).
Flipsy: Compares vendors (up to $455); free shipping, 14-day window.
Swappa: List for $543 average; pay buyer fee + ship.
eBay: Free listings (up to 250/month); 10.2% + $0.30 fee post-sale.
Free options (buyer pays shipping): Facebook Marketplace, Craigslist, Reddit (r/Phr4u, r/Appleswap, r/Hardwareswap).
For in-person meets, choose public spots like parks or cafes following safety guidelines. Alternatives: Use as webcam or kids' first phone. Test your new iPhone fully first.
Updated September 10, 2021, 2:00 PM ET: Originally published January 14, 2020; updated for iOS changes and services.