Sell your Microsoft phone
Microsoft phone trade-in values (October 2026)
What Techtree pays for every model, updated October 15, 2026.
What Techtree pays, by model
 Surface Duo 2 | October 2021 | $510 | $480 | $400 | +37.1% |
|---|---|---|---|---|---|
 Surface Duo | September 2020 | $165 | $135 | $85 | +9.8% |
Brand New, Good and Fair are Techtree's best price for each model (complete, working device, best configuration); the 90-day column is the change in our own good-condition price. Click a heading to sort.
Value by model
Surface Duo 2: $480 (up 37.1%)Surface Duo: $135 (up 9.8%)What Techtree pays, good condition, best configuration, weekly averages. Updated October 15, 2026.
Selling your Microsoft phone: FAQs
The questions sellers ask most, answered plainly.
Which Microsoft phone is worth the most right now?
As of October 15, 2026, the Surface Duo 2 is the most valuable Microsoft phone Techtree buys, at up to $510 for a brand-new unit and up to $480 in good condition. The Surface Duo is next at up to $165. Prices are for a complete, working device; the wizard shows the exact figure for your storage, carrier and condition.
How fast do Microsoft phones lose value?
Across the 2 Microsoft phones Techtree has priced for long enough to measure, what we pay in good condition rose 23.5% over roughly the last 90 days (as of October 15, 2026; a model priced for under 90 days is measured from its first price). The Surface Duo moved the most (+9.8%) and the Surface Duo 2 held best (+37.1%). Values for most devices fall over time, fastest in the weeks after a successor launches, so a device is worth the most the day you sell it.
Which Microsoft phone models does Techtree buy?
Techtree buys 2 Microsoft phones from the Surface Duo (September 2020) to the Surface Duo 2 (October 2021), paying from $165 (Surface Duo) to $510 (Surface Duo 2) for a Microsoft phone in brand-new condition as of October 15, 2026. Every model listed on this page has an instant quote, free prepaid shipping and a 21-day price lock.
What's the best way to sell my used phone?
You can list it on a marketplace, trade it in with a carrier, or use a buyback service like Techtree. A buyback gives you a locked, upfront price with free prepaid shipping and no listing hassle or fraud risk, usually the fastest and safest option.
Does carrier or storage affect my offer?
Yes. Unlocked phones are worth the most, and higher storage tiers earn more. We ask for both during the quote so your price reflects your exact configuration.
Should I factory reset my phone before sending it?
Yes. Back up your data, sign out of your account, turn off activation lock and Find My, remove your SIM, and erase the phone before you ship it.
When is the best time to sell my phone?
Usually right before a new model launches, since older models hold value best before the announcement. Lock your quote now and you have 21 days to ship.
Why sell with Techtree?
Plenty of options out there. Here's what you can check before you send anything.