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Select Condition
Fair Evaluation Promise
Concerned about quote adjustments? Here's exactly how we handle every inspection.
Consistent grading
Every device is evaluated with the same standardized process, based on the condition you selected at quote.
Clear explanations
If your device differs from what you described, we show you what we found before any change to your offer.
Your choice, always
Don't agree with a revised offer? We'll ship your device back for free, or re-evaluate it, with no obligation.
Selling your iPhone 15 Plus: FAQs
How do I identify my iPhone model?
Check Settings, General, About for the model name, or compare to Apple's identify your iPhone model guide. Getting the model right keeps your quote accurate.
How should I prepare my iPhone for sale?
Back up to iCloud or your computer, sign out of your Apple ID, turn off Find My iPhone (activation lock), remove your SIM, and erase the device.
Not ready to sell your iPhone yet?
We also buy other Apple devices, including iPad, MacBook, and Apple Watch, plus Android phones like Google Pixel and Samsung Galaxy.
Why Sell With Techtree?
Plenty of options out there. Here's why thousands of sellers choose us.
2,000+ 5-Star Reviews
Don't take it from us. Read our reviews.
A+ BBB Rating
Accredited and trusted by buyers nationwide.
Fast Payment
Trade in and get paid within 1–2 business days.
Partnered Platforms
We work with trusted marketplaces.
Higher Offers
Some of the highest payouts available.
Highly Rated
Top-rated on Google and Trustpilot.