Free shipping · 14-day price lock
Sell iPhone XS Max for cash
CellBack buys used iPhone XS Max phones by mail. Pick your storage, carrier status, and condition to see your offer, then ship it free with a tracked prepaid label. We lock the price for 14 days and send payment within 1–2 business days of approving your iPhone XS Max.
What we buy
Your iPhone XS Max,
in the condition it’s in.
Condition grades
- Light wear
- Fully functional. Minor scratches, no cracks.
- Heavy wear
- Fully functional. Noticeable scratches, dents, or scuffs.
- Damaged
- Cracked glass/back, bad battery, or functional issues.
Options we quote
- StorageStorage options we buy for the iPhone XS Max: 64GB, 256GB, 512GB.
- Carrier statusUnlocked or Carrier Locked.
- Not sure it’s the iPhone XS Max?Open Settings › General › About on the device to see its model name.
Good questions
Selling your iPhone XS Max
- Do you buy a carrier-locked iPhone XS Max?
Yes. Choose “Carrier Locked” when you get your quote. A carrier-locked iPhone XS Max gets a lower offer than an unlocked one.
- Do you buy a cracked or damaged iPhone XS Max?
Yes. Choose “Damaged” as the condition: Cracked glass/back, bad battery, or functional issues. The offer is lower than for one in “Light wear” condition.
- Which iPhone XS Max storage sizes do you buy?
We buy the iPhone XS Max in 64GB, 256GB, and 512GB.
- What if my iPhone XS Max doesn’t match my quote?
We explain what we found and send you a revised offer. You can accept it, or we return your device free of charge.
What happens if inspection changes your offer- How do I prepare my iPhone XS Max before shipping?
Back up your files, sign out of your accounts, and factory reset it. We also wipe every device on intake.
How to reset your iPhone or Android before selling it
How it works
Five steps.
No listings, no meetups.
- 01
Get your quote
Choose your iPhone XS Max’s storage, carrier status, and condition to see your offer. It’s locked for 14 days.
- 02
Ship it free
We email you a tracked, prepaid shipping label. Pack it securely and drop it off.
- 03
We inspect it
If it doesn’t match your description, we send a revised offer. Decline it and we return your device free.
- 04
We wipe it
Every device is wiped on intake, and we verify the reset before it’s resold or recycled.
- 05
You get paid
Payment is processed within 1–2 business days of approval, by PayPal, Zelle, or check.
Questions first? Read the FAQs or email support@cellback.net.
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