What’s actually slowing this PC down?

Pick the symptom - the matching free tool is one click away.

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.

iTechGuides is reader-supported. When you buy through links on our site, we may earn an affiliate commission. As an Amazon Associate I earn from qualifying purchases. Learn more

The safest iPhone purchase is not decided by the listing grade or the seller’s star rating alone. Before paying, verify who is legally selling the phone, what “refurbished” or “excellent” means in that seller’s system, whether the exact model works on your carrier, and what return or dispute remedy applies. When the phone arrives, inspect it immediately and complete setup far enough to confirm that Activation Lock is not enabled. If an iPhone asks for the previous owner’s Apple Account, do not accept it.

Start with the seller, not the phone

A retailer’s own inventory and a marketplace listing are different transactions, even when they appear on the same website. A retailer may own the stock and handle returns directly. A marketplace may only provide the storefront while an independent seller owns the phone, sets the condition description, and controls the first response to a problem.

Identify the seller of record

Find the business name, contact details, location, and the party named in the order confirmation. On a marketplace, record both the platform and the individual seller. Do not assume that the platform’s reputation guarantees the seller’s product or service.

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.

In the United States, the INFORM Consumers Act requires covered online marketplaces to collect and verify information for certain high-volume third-party sellers and disclose specified identity and contact information for qualifying sellers. The law took effect on June 27, 2023, but coverage depends on statutory definitions and exceptions. A disclosure is not a warranty, certification, authenticity finding, or promise that the phone will work on your network.

#1 Best Overall
Apple iPhone 12, 64GB, Black - Unlocked (Renewed)
  • Fully unlocked and compatible with any carrier of choice (e.g. AT&T, T-Mobile, Sprint, Verizon, US-Cellular, Cricket, Metro, etc.).
  • Inspected and guaranteed to have minimal cosmetic damage, which is not noticeable when the device is held at arm's length.
  • Successfully passed a full diagnostic test which ensures like-new functionality and removal of any prior-user personal information.
  • The device does not come with headphones or a SIM card. It does include a charging cable that may be generic.
  • Tested for battery health and guaranteed to have a minimum battery capacity of 80%.

Read the remedy before checkout

Locate the return, refund, and warranty pages before placing the order. Record:

  • The number of calendar days in the return period and when that clock starts.
  • Which reasons qualify: changed mind, inaccurate description, defect, wrong model, or only an item that is not as described.
  • Whether the phone must be returned in a particular condition, with accessories, or in its original packaging.
  • Who pays return shipping and whether a restocking fee is possible.
  • How a return must be initiated and whether you need authorization before shipping.
  • Whether the marketplace or the seller handles the return and dispute.

Save screenshots or a PDF of the listing, photos, condition grade, promised battery information, return policy, and seller messages. Listings can change after purchase, while your saved copy shows what you agreed to buy.

Understand what “used” and “refurbished” mean here

There is no universal industry meaning for grades such as “excellent,” “A grade,” or “refurbished.” One seller’s grade may allow visible scratches; another may promise a near-new exterior. Apple recommends asking whether a seller certifies devices and exactly what that certification process checks. Do not treat a retailer’s use of the word “certified” as proof that Apple inspected the phone.

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.

Ask for device-specific evidence

If appearance matters, request photographs of the actual phone rather than stock images. Ask for written answers about:

  • Scratches, dents, cracks, screen burn-in, camera-lens damage, and bent frames.
  • Battery maximum capacity and any battery-service message.
  • Whether the display, battery, cameras, or logic board were replaced.
  • Whether replacement parts are genuine, previously used, or from another supplier.
  • Included accessories and whether they are original or compatible replacements.

A vague answer is itself a buying risk. Compare the seller’s written response with the listing and retain both.

Verify the exact model and carrier fit

Before paying, identify the precise model, storage capacity, and regional variant. Ask your intended carrier to confirm that exact model is supported on your plan and to explain any carrier-lock or network requirements. Compatibility is not established merely because a listing says “unlocked.” Carrier policies and supported network bands differ by market and model.

Rank #2
Apple iPhone 13, 128GB, Midnight - Unlocked (Renewed) | Unlocked
  • This pre-owned product is not Apple certified, but has been professionally inspected, tested and cleaned by Amazon-qualified suppliers.
  • There will be no visible cosmetic imperfections when held at an arm’s length.
  • This product is eligible for a replacement or refund within 90 days of receipt if you are not satisfied.
  • Product may come in generic Box.

Keep carrier compatibility separate from seller recourse. A phone can be technically compatible yet still be locked, unpaid, barred, or otherwise unusable under a carrier’s rules. The available Apple and consumer guidance does not establish one universal check that conclusively detects every stolen-device, financing, or carrier-status problem in every country. Get the carrier’s answer before checkout and keep the representative’s reference number or written confirmation when available.

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.

Use this pre-checkout question list

Question What a useful answer includes Why it matters
Who sells the phone? Legal business name, contact route, and whether the platform or seller handles returns Determines who must resolve a discrepancy
What does the condition grade allow? Specific standards for scratches, dents, screen condition, and accessories Grades are not universal
What is the battery condition? Maximum-capacity reading, service messages, and whether the figure is guaranteed Battery wear affects value and likely replacement cost
What repairs were performed? Parts replaced, repair provider, and any remaining coverage Repair history can affect features and reliability
Is the exact model usable on my carrier? Carrier confirmation for the model and plan, including lock requirements “Unlocked” in a listing may be insufficient
How do I return it? Deadline, eligible reasons, authorization process, shipping cost, and fees A remedy is useful only if you can invoke it on time
What payment protection applies? Marketplace dispute route and card or payment-service conditions Protection depends on the item, seller, and payment path

Inspect the iPhone in person or immediately on arrival

Do not let the return period expire while you are still deciding whether the phone is acceptable. Apple’s pre-owned-device guidance recommends checking physical condition, power, charging, battery health, and repair information.

Physical inspection

  1. Remove the case and any screen protector that hides damage.
  2. Under good light, inspect the display, frame, back glass, camera lenses, buttons, speakers, microphone openings, and charging connector.
  3. Look for cracks, dents, deep scratches, bent edges, lifted glass, liquid indicators, and debris in the connector.
  4. Confirm that the model, color, storage capacity, and included accessories match the order.

Minor cosmetic wear may match a used grade; structural damage or an undisclosed crack does not. Photograph the phone from several angles before removing protective films or discarding packaging.

Power and charging

Turn the phone on and connect a known-good charger. If it will not power on, try charging it long enough to determine whether the battery is simply depleted. Apple’s guidance is direct: do not buy an iPhone that will not charge. If you are inspecting a locked phone in person, ask the seller to erase it so you can test it rather than accepting a promise that it works.

Activation Lock is a stop condition

Activation Lock links an iPhone to the previous owner’s Apple Account through Find My. Erasing the phone does not remove that link unless the owner removes it from the account.

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.

Apple states: “Don’t buy an iPhone if Activation Lock is enabled.” Its separate guidance says: “Don’t take ownership of any used iPhone or iPad until it’s been removed from the previous owner’s account.” Treat those instructions as a condition of the sale, not as a problem you can solve later.

Rank #3
Apple iPhone 13, 128GB, Blue - Unlocked (Renewed)
  • 6.1" Super Retina XDR display. 5G Superfast downloads, high?quality streaming
  • Cinematic mode in 1080p at 30 fps. Dolby Vision HDR video recording up to 4K at 60 fps. 2X Optical zoom range
  • A15 Bionic chip. New 6-core CPU with 2 performance and 4 efficiency cores. New 4-core GPU. New 16-core Neural Engine
  • Up to 19 hours video playback. Face ID. Ceramic Shield front. Aerospace-grade aluminum

Check a phone you are holding

  1. Ask the seller to erase the iPhone in front of you.
  2. Start setup from the Hello screen.
  3. Continue far enough to connect to Wi-Fi or cellular service and activate the device.
  4. If setup requests the previous owner’s Apple Account credentials, stop. The phone is still linked.
  5. Have the owner remove the device from their account, then erase it again and repeat activation.

Check an online delivery

A Hello screen means the phone has been erased, not that it is ready for you. Complete setup promptly. If the display says “iPhone Locked to Owner” or requests the former owner’s credentials, photograph the message, do not attempt a bypass, and use the seller’s and marketplace’s return process. Return the phone while the applicable deadline is open.

Check battery health and charging behavior

On iPhone 6 and later running iOS 11.3 or later, open Settings > Battery > Battery Health. On iOS 16.1 or later, the menu is labeled Battery Health & Charging. Review maximum capacity and any important battery messages.

Maximum capacity is one input, not a pass/fail grade. Weigh it against the price, disclosed condition, repair history, seller remedy, and the likely cost and inconvenience of replacement. A listing that promises a particular battery level should be compared with the reading you receive; save a screenshot immediately.

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.

Read Parts and Service History without overinterpreting it

On iOS 15.2 or later, open Settings > General > About. When the model and repaired component are supported, a Parts and Service History section may appear.

iPhone generation Parts Apple says may be listed
iPhone 12 models and later Battery, display, logic board, front camera, and rear cameras
iPhone 11 models Battery and display
iPhone XR, XS, XS Max, and iPhone SE (2nd and 3rd generation) Battery

Older iOS versions show less information, and a part serviced multiple times may show only the most recent service. Therefore, a missing section or missing component is not proof that no repair occurred.

What each label means

  • Genuine: Apple says the repair used genuine Apple parts and processes.
  • Unknown: In some situations, a nongenuine part was used or the part is not working as expected.
  • Unverified: The logic board was previously replaced; Apple says this may affect features such as Apple Pay.
  • Used: The part was previously used or installed in another iPhone.

Describe exactly what the screen reports instead of declaring the whole phone good or bad. Ask the seller to explain an unexpected entry and decide whether the repair, functionality, and remaining coverage fit your needs. The available entries depend on model, iOS version, and service history.

Rank #4
Apple iPhone 15, 128GB, Black - Unlocked (Renewed)
  • 6.1inch Super Retina XDR display. Aluminum with color-infused glass back. Ring/Silent switch
  • Dynamic Island. A magical way to interact with iPhone. A16 Bionic chip with 5-core GPU
  • Advanced dual-camera system. 48MP Main | Ultra Wide. Super-high-resolution photos (24MP and 48MP). Next-generation portraits with Focus and Depth Control. 4X optical zoom range
  • Emergency SOS via satellite. Crash Detection. Roadside Assistance via satellite
  • Up to 26 hours video playback. USB C, Supports USB 2. Face ID

Test the functions that matter to you

After activation reaches the Home Screen, compare the received device with the listing and test the features you will actually use. At minimum, check:

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.
  • Touch response across the entire display, brightness, cameras, flash, and camera focus.
  • Power, volume, mute, side, and Home buttons where present.
  • Speaker, earpiece, microphone, vibration, and headphone or adapter behavior.
  • Wi-Fi, Bluetooth, cellular calling, mobile data, and GPS where practical.
  • Face ID or Touch ID, if advertised and important to your use.
  • Charging through the connector and, on supported models, wireless charging.

These tests do not authenticate every component or prove that a phone has never been repaired. A serial number, box, or single settings screen is not a universal authenticity procedure. They are practical checks for discrepancies while a return remedy remains available.

Pay through a route that preserves your remedy

Use the marketplace’s payment system when buying through a marketplace. The FTC advises checking the platform’s protections and deadlines and avoiding payment outside the system when doing so would remove those protections.

Before paying, determine whether your credit card, debit card, or payment service provides a dispute process for this transaction and seller. Do not assume a chargeback or refund is guaranteed. Coverage can depend on the transaction type, documentation, timing, and the provider’s rules.

Keep the order confirmation, listing, messages, tracking record, photos, battery screenshot, Activation Lock result, and every support case number. If the phone is wrong, locked, damaged, or materially different, contact the seller and platform promptly through the required channel and state the discrepancy precisely.

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Support on Ko-Fi

Compare two listings on the same decision axes

The lowest price is not necessarily the lower-cost choice if the battery is worn, the return window is short, or the seller offers no practical dispute route.

Best Value
Apple iPhone 16e, 128GB, Black - Unlocked (Renewed)
  • 6.1" Super Retina XDR OLED, HDR10, 800 nits (HBM), 1200 nits (peak), 2532x1170px at 460ppi, 4005mAh Battery
  • 8GB RAM, Apple A18 6-core CPU (2 performance + 4 efficiency cores), Apple GPU 4-core, 16‑core Neural Engine
  • Rear camera: 48MP, f/1.6, wide, Front Camera: 12MP, f/1.9, wide, iOS 18.3.1, upgradable to iOS 18.5
  • Connectivity: Global 4G LTE, Sub-6 GHz 5G, LTE, Wi-Fi 6, Bluetooth 5.3, NFC, USB-C, Wireless Charging (7.5W). (does not have mmWave 5G or MagSafe or physical SIM card) - Dual eSIM Only
  • Unlocked for freedom to choose your carrier. Compatible with both GSM & CDMA networks. The phone is unlocked to work with all GSM Carriers & CDMA Carriers Including AT&T, T-Mobile, Verizon, Straight Talk., Etc.
Comparison axis Listing A Listing B
Seller of record and contact details Record the named seller Record the named seller
Condition definition Use the seller’s written grade Use the seller’s written grade
Actual-device photos Yes, no, or not stated Yes, no, or not stated
Battery information Capacity and messages, or not stated Capacity and messages, or not stated
Parts and service disclosure Specific entries, or not stated Specific entries, or not stated
Carrier and lock requirements Carrier-confirmed status Carrier-confirmed status
Return deadline and process Days, reasons, authorization, shipping Days, reasons, authorization, shipping
Buyer-protection route Platform and payment-provider rules Platform and payment-provider rules
Total cost Price plus tax, shipping, accessories, and likely service Price plus tax, shipping, accessories, and likely service

Write “not stated” when a seller has not supplied a material fact. Uncertainty should reduce what you are willing to pay or determine whether you walk away.

What to do when something is wrong

The phone is Activation Locked

Do not sign in with your own account, pay an extra unlocking fee, or rely on a promised bypass. Capture the screen and request a return or platform dispute immediately.

The condition is worse than described

Photograph the damage beside the saved listing and packaging. Do not repair or modify the phone before the seller or platform tells you how to return it.

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.

The battery or repair history conflicts with the listing

Save the relevant Settings screens and ask for a written explanation. If the answer does not resolve the discrepancy, use the stated “not as described” or defect route before its deadline.

The phone will not charge or activate

Try a known-good charger and network connection once, document the result, and stop troubleshooting if the device still fails. A failed activation or charging test is evidence for the return request, not a reason to open the phone.

Quick Recap

Bestseller No. 1
Apple iPhone 12, 64GB, Black - Unlocked (Renewed)
Apple iPhone 12, 64GB, Black - Unlocked (Renewed)
Tested for battery health and guaranteed to have a minimum battery capacity of 80%.
$194.00
Bestseller No. 2
Apple iPhone 13, 128GB, Midnight - Unlocked (Renewed) | Unlocked
Apple iPhone 13, 128GB, Midnight - Unlocked (Renewed) | Unlocked
There will be no visible cosmetic imperfections when held at an arm’s length.; Product may come in generic Box.
$262.00
Bestseller No. 3
Apple iPhone 13, 128GB, Blue - Unlocked (Renewed)
Apple iPhone 13, 128GB, Blue - Unlocked (Renewed)
6.1" Super Retina XDR display. 5G Superfast downloads, high?quality streaming; Up to 19 hours video playback. Face ID. Ceramic Shield front. Aerospace-grade aluminum
$265.00
Bestseller No. 4
Apple iPhone 15, 128GB, Black - Unlocked (Renewed)
Apple iPhone 15, 128GB, Black - Unlocked (Renewed)
Dynamic Island. A magical way to interact with iPhone. A16 Bionic chip with 5-core GPU; Emergency SOS via satellite. Crash Detection. Roadside Assistance via satellite
$408.99

Final pre-purchase and arrival checklist

Before checkout

  • Seller identity and contact route saved.
  • Condition grade translated into specific permitted wear.
  • Battery, repairs, accessories, and actual-device photos requested where important.
  • Exact model confirmed with the intended carrier.
  • Return deadline, eligible reasons, authorization, shipping cost, and fees understood.
  • Marketplace and payment protections confirmed.

On arrival

  • Listing, packaging, and phone photographed.
  • Display, frame, back, connector, buttons, cameras, and speakers inspected.
  • Phone powers on and charges.
  • Setup completes without a previous owner’s Apple Account.
  • Battery Health or Battery Health & Charging recorded.
  • Parts and Service History reviewed where available.
  • Important network and biometric functions tested before the return period ends.

Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.