What to Check Before Buying a Second Hand iPhone. 2025 Guide
23/11/2025

5 Mins
When purchasing a used iPhone, it’s crucial to know what to check before buying a second hand iPhone to avoid scams and ensure you get a device that functions properly. From verifying that it powers on to checking battery health, screen condition, and camera functionality, there are multiple steps you should follow to make a safe purchase.
Used iPhones are popular for budget-conscious buyers, but like any second-hand purchase, there are some important things to check before handing over your money.
The Basics of Buying a Used iPhone
If you’re buying a used iPhone in person, such as through Facebook Marketplace or a local sale, most of the tips below will apply directly. When buying online, you’ll need to rely on photos, seller reputation, and detailed descriptions. A trustworthy seller will provide multiple photos showing scratches, dents, or other issues.
For auction sites like eBay, using PayPal adds buyer protection, so you can request a refund if the item isn’t as described. Avoid buying without inspection on local classifieds unless you can confirm the condition, as scams are common.
Always prioritize your safety: meet in public places, bring someone with you if possible, and avoid carrying large amounts of cash. Use peer-to-peer payment apps when you can, or inspect first before withdrawing cash at an ATM. Agree on terms with the seller, and remember: if the deal seems too good to be true, it probably is.
Knowing what to check before buying a second hand iPhone will help you navigate these risks confidently.
1. Does the iPhone Turn On?
One of the first things to check is whether the iPhone powers up. It might sound obvious, but some sellers try to pass off non-functional devices as just having a dead battery. Ensure the phone boots to the lock screen or “Hello” prompt.
If possible, check that the iPhone charges normally, and confirm that a charger and wall adapter are included. This is another critical point in knowing what to check before buying a second hand iPhone.
2. Is Activation Lock Still Enabled?
Activation Lock protects Apple devices from theft. When you power on the iPhone, you shouldn’t see a prompt asking for another owner’s Apple ID. If you do, the phone may be stolen or unusable.
Ask the seller to disable Activation Lock by signing in and turning off “Find My iPhone” in Settings. This is a key step in what to check before buying a second hand iPhone safely.
3. If the iPhone Has Already Been Erased
Some sellers may provide a fully erased device. While this isn’t automatically bad, it limits your ability to test the phone. Ask the seller to temporarily sign in or insert a SIM card so you can check performance, battery health, and other key features.
Knowing what to check before buying a second hand iPhone includes confirming that the iPhone has been properly erased after testing and Activation Lock is removed.
4. Is There Any Visible Damage?
Even well-cared-for iPhones usually show some signs of wear, like scratches or scuffs. Remove any case and inspect the body carefully.
Look for dents or bends in the chassis, as these may indicate internal damage. Check the camera lenses and the screen for cracks. Superficial damage is fine if you adjust the price accordingly. This is an essential part of what to check before buying a second hand iPhone.
5. How’s the Battery Health?
iPhone batteries degrade over time. Navigate to Settings > Battery > Battery Health to check maximum capacity and performance capability. Anything below 90% means reduced battery life, and signs of throttled performance could indicate a need for replacement.
Battery condition is one of the most overlooked factors when considering what to check before buying a second hand iPhone.
6. Have Any Parts Been Replaced, and Is It Refurbished?
You can check if an iPhone is refurbished in Settings > General > About, under the “Model Number.” If it starts with an “F,” it’s been refurbished by Apple or a carrier. For parts replacements, iOS 15.2 and later will list “Genuine Apple Part” or “Unknown Part.”
Understanding what to check before buying a second hand iPhone includes verifying genuine parts to ensure quality and longevity.
7. What’s the Performance Like?
Test the iPhone by browsing websites, opening apps, scrolling through Maps, using Spotlight search, and accessing the App Store. Older models may be slower, but you should watch for unusual lag or glitches.
Performance testing is a critical step in what to check before buying a second hand iPhone.
8. How’s the Display Condition?
Check for LCD backlight issues or OLED burn-in. Use solid color backgrounds or videos to identify uneven lighting or retained images. Display quality is another important consideration in what to check before buying a second hand iPhone.
9. Do the Speakers and Microphones Work?
Test microphones using the Voice Memos app and speakers by playing recordings or ringtones. Check the earpiece by making a phone call or using FaceTime. Audio functionality is vital when evaluating what to check before buying a second hand iPhone.
10. Check the Other Buttons Too
Ensure the mute switch, volume rockers, and side button function properly. A “mushy” button might need replacement soon. Button checks are a simple but essential part of what to check before buying a second hand iPhone.
11. Do All the Cameras Work as Advertised?
Test every camera on the device in good lighting. Check for clarity, focus, and smooth operation. Camera functionality is crucial when considering what to check before buying a second hand iPhone.
Other Options for Saving Money on an iPhone
Buying refurbished from Apple or a reputable reseller can save money while ensuring quality. Even with certified refurbished devices, knowing what to check before buying a second hand iPhone helps confirm you’re getting your money’s worth.
Summary
Before purchasing a used iPhone, always inspect the device thoroughly. Check for power functionality, Activation Lock, battery health, display and camera quality, replaced parts, and overall performance. By knowing what to check before buying a second hand iPhone, you’ll avoid scams, ensure value for money, and walk away with a device you can trust.

