Apple's first foldable iPhone

Sell iPhone 18 Duo for Cash

Sell your iPhone 18 Duo for cash with a free instant quote, free prepaid shipping and fast payment after inspection. The iPhone Duo, often searched as the iPhone 18 Duo, is Apple's first foldable iPhone. It was announced alongside the iPhone 18 Pro. WeBuyBackElectronics buys new, used, and damaged iPhone Duo units in all 4 storage capacities: 256GB, 512GB, 1TB, and 2TB. Offers depend on storage, condition, carrier status, and display and hinge function.

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iPhone Duo at a glance

Apple price$1,999 to $3,199
Storage we buy256GB to 2TB
AnnouncedSept 9, 2026
InspectionBoth displays & hinge

Sell iPhone 18 Duo in 3 Easy Steps

Selling works the same way as for every iPhone 18 model, with extra checks for the fold.

  1. Get Your Quote

    Enter your storage capacity, carrier and condition online. The quote appears instantly. It reflects current market demand for the iPhone Duo.

  2. Ship for Free

    Print the free prepaid shipping label and pack your iPhone Duo. Close the device before packing to protect the inner display. Shipping costs nothing.

  3. Get Paid Fast

    Our team inspects both displays, the hinge, and core functions. Payment is released once the inspection confirms the condition. Choose PayPal, Zelle, bank transfer, or check.

What we inspect:Outer displayInner displayHingeCore functions

Why Choose Us to Sell Your Used iPhone 18 Duo?

WeBuyBackElectronics offers market-based quotes, free shipping, secure handling, and responsible recycling for every iPhone Duo.

Top Value Offers for iPhone 18 Duo

Quotes track current resale demand for the iPhone Duo. Pricing is shown upfront with no hidden fees. New, used, and damaged units all qualify for an offer.

Secure & Transparent

Every device is inspected against the quote you accepted. Personal data is wiped before resale. You see the final offer before the sale completes.

Eco-Friendly Approach

Working iPhone Duo units return to use through resale. Non-working units go to responsible electronics recycling. Both paths keep devices out of landfill, as they do for all the Apple products we buy.

iPhone 18 Duo Selling FAQs

How Much Is an iPhone 18 Duo Worth?

An iPhone Duo's buyback value depends mainly on its storage tier and condition, starting from Apple's retail prices of $1,999 to $3,199. Apple prices the 256GB model at $1,999, the 512GB at $2,199, the 1TB at $2,599, and the 2TB at $3,199. Buyback offers sit below these retail prices.

iPhone Duo offers by storage
StorageOriginal Apple Price (MSRP)WBBE Offer
256GB$1,999$1,700
512GB$2,199$2,000
1TB$2,599$2,500
2TB$3,199$3,000

WBBE offer vs Apple price

256GB$1,700 of $1,999
512GB$2,000 of $2,199
1TB$2,500 of $2,599
2TB$3,000 of $3,199

The iPhone Duo is a new release. Used market prices are still forming. An instant quote gives the current offer for your exact unit.

What Affects iPhone 18 Duo Buyback Value?

Seven factors set an iPhone Duo's buyback value: storage, condition, inner display, hinge, carrier status, Activation Lock, and accessories.

  • Storage capacityHigher tiers carry higher value. The 2TB model sits at the top of the range.
  • Cosmetic conditionScratches, dents, and scuffs on the titanium frame lower the offer.
  • Inner display functionFoldable checkDead pixels, lines, or damage along the fold reduce value.
  • Hinge operationFoldable checkThe hinge opens smoothly and closes flat on a full-value unit.
  • Carrier statusUnlocked devices receive more than carrier-locked or financed devices.
  • Activation LockDevices still linked to an Apple Account cannot be purchased.
  • Original accessoriesThe original box and cable support top offers.

Apple builds the iPhone Duo from grade 5 titanium with an IP68 rating. Its hinge contains more than 100 components. The fold is mechanical. Hinge and inner-display checks therefore carry more weight than on the iPhone 18 Pro.

How to Prepare Your iPhone 18 Duo Before Selling

Back up your data, turn off Find My, sign out of your Apple Account and erase the device before shipping.

  1. Back up the device to iCloud or a computer.
  2. Remove Apple Pay cards and passes from Wallet.
  3. Unpair your Apple Watch if one is paired. Selling it too? See sell Apple Watch.
  4. Transfer or delete the eSIM. The iPhone Duo is eSIM-only and has no physical SIM card to remove.
  5. Erase all content and settings. Erasing turns off Find My and Activation Lock.
  6. Cancel or transfer AppleCare to the new owner.

Is the iPhone Duo the same as the iPhone 18 Duo?

Yes. iPhone 18 Duo is a common search name for the iPhone Duo. Apple announced the device with the iPhone 18 Pro and iPhone 18 Pro Max on September 9, 2026. The official product name is iPhone Duo.

Can I sell a damaged iPhone 18 Duo?

Yes. Damaged iPhone Duo units with cracked displays, faulty hinges, or battery issues still receive offers. The offer reflects the repair cost. Units that cannot be repaired are recycled responsibly.

Can I sell a carrier locked or financed iPhone Duo?

Yes. Carrier locked iPhone Duo units are accepted at a lower offer than unlocked units. Devices with unpaid balances or blacklisted IMEIs have limited value. Paying off the carrier balance first raises the offer. Compare offers for other models on the Sell iPhone page.

Find out what your iPhone 18 Duo is worth today.

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