Phone resale timing follows a predictable calendar. Sell during the right window and you capture buyers who are still actively shopping for your model at near-peak prices. Wait until after a new flagship announcement and you are competing against a market that has already moved on. For most sellers, the difference is $50 to $150.
This guide covers the optimal sell windows for iPhone, Samsung Galaxy, and Google Pixel, explains the depreciation curve behind the timing, and shows you how to check what your phone is worth right now.
Quick Answer
The best time to sell your phone is 4 to 8 weeks before a major new flagship announcement. For iPhones, that means late July through mid-August. For Samsung Galaxy S-series, it means December through early January. Resale value drops fast once a new model is announced, even before it ships. Do not wait until the new phone is in your hand.
Why Phone Resale Timing Follows a Schedule
Phone depreciation is not random. It follows each manufacturer’s release calendar with predictable consistency. The moment a new flagship is announced, demand for the outgoing model softens. Buyers who were actively considering a used version of last year’s phone start waiting for the new one, or they recalibrate their offer.
The sharpest drop happens in a tight window: the weeks between announcement and the actual ship date of the new model. By the time the new device hits retail, resale prices for the previous generation have already settled to their post-launch floor. That floor is often 15 to 25% lower than pre-announcement prices.
The practical rule: sell before the announcement and you catch buyers at peak demand. Sell after and you are pricing against a market that has moved.
For a deeper look at how depreciation is calculated and what drives long-term value retention across brands, see the Pricing and Resale Value guide.
The iPhone Depreciation Curve and the Fall-Launch Window
Apple has announced new iPhone models in September for over a decade, with only minor variation. That consistency is useful for sellers. It gives you a reliable target.
The optimal iPhone selling window is late July through mid-August. That is far enough from the September announcement that resale demand is still strong, and close enough to the calendar that you are making a timely move.
Here is how the value curve typically plays out for an outgoing iPhone:
| Timeframe | Resale Value Trend | What Is Driving It |
|---|---|---|
| 12+ months before new release | Gradual, steady decline | Normal age-based depreciation |
| 4 to 8 months before (May to July) | Moderate decline; demand stable | Peak used-buyer demand for the generation |
| 2 to 3 months before (late July to Aug) | Near-peak; ideal sell window | Buyers still shopping current model before fall |
| 1 to 2 weeks before announcement | Slight softening begins | Anticipation of new release dampens demand |
| Announcement week (early Sept) | Noticeable drop; demand shifts | Buyers pivot to waiting for new model |
| New model ships (late Sept) | Settles at new post-launch floor | Supply of outgoing model increases as upgrades happen |
| Holiday season (Nov to Dec) | Marginal recovery possible | Gift-season demand provides minor lift |
An iPhone that sells for $450 in August may fetch $360 to $380 by October. That range reflects real market movement, not a worst-case scenario. Check current sell prices for your specific model and storage tier on Swappa’s phone pricing page to see where your phone sits right now.
One nuance worth knowing: iPhones hold their value better than most Android phones, particularly Pro and Pro Max models. But relative strength does not cancel the launch-window effect. The floor is higher, not the drop smaller.
For a full breakdown of what buyers look for in a used iPhone and which generations hold the most demand, see the Used iPhone Buyer’s Guide.
Samsung Galaxy Unpacked Timing and Android Depreciation
Samsung’s flagship Galaxy S-series follows a consistent early-year cycle. Galaxy Unpacked events for the S-series typically land in late January or early February, with devices shipping shortly after. For Galaxy sellers, the optimal window is December through early January, before the new lineup is announced.
The Galaxy Z Fold and Z Flip foldable lines have historically been announced in late July or August, overlapping with the iPhone pre-announcement window. If you are selling a foldable, mid-summer timing applies equally.
Android depreciation curves tend to be steeper than iPhone. A Galaxy S model that launched at $1,199 can lose 40 to 50% of its value within 12 months under normal market conditions. That curve accelerates around Unpacked announcements. Selling 6 to 8 weeks before the event typically captures the best return.
Google Pixel timing: Google’s flagship Pixel events have settled into an October cadence, with mid-range models sometimes appearing mid-year. Pixel resale values run lower than equivalent iPhone and Galaxy flagships overall, which makes timing even more critical. If you are moving a Pixel, sell before October.
To compare how iPhone, Galaxy, and Pixel depreciation curves differ and what each means for buyers and sellers, see iPhone vs. Android: Which Holds Resale Value Better. This article focuses on when to sell; that one covers which brands hold value and why.
Browse current used phones on Swappa to see what comparable devices are actually selling for before you price yours.
Trade-In Promo Season vs. Selling Outright
Carrier trade-in promotions are worth understanding, but they are often not what they appear to be.
Carriers (AT&T, Verizon, T-Mobile) run aggressive trade-in campaigns around iPhone and Galaxy launches, with headline credits that can look impressive. The catch: those credits are typically spread over 24 to 36 months as monthly bill credits, locked to a new line or plan, and only apply to the newest model. If you switch carriers or cancel before the payout period ends, you usually forfeit the remaining credits.
Selling outright on a peer-to-peer marketplace puts cash in your hand immediately. No strings, no carrier contracts, no 30-month math.
The comparison matters most if you are not staying with the same carrier or not upgrading to the newest flagship right away. If you are staying and upgrading anyway, trade-in promos can be competitive for that specific situation. But run the full math: a $600 credit paid at $20 per month over 30 months is worth less than $500 cash today once you factor in the lock-in risk.
Trade-In vs. Sell: How to Get the Most for Your Old Tech
Swappa’s fee structure is transparent. Sellers pay a flat 3% fee. Buyers pay a flat 3% fee. Payment processing fees are paid by the seller: PayPal charges 3.49% plus $0.49; Stripe is available for select sellers at 2.9% plus $0.30. State sales tax is collected at checkout from buyers where required. That is lower than auction-site fees, and you keep the full sale amount minus those costs with no bill-credit timing, no plan lock-in, and no carrier dependency.
See the full Swappa fee breakdown before you list.
Factors That Affect Your Phone’s Resale Value Beyond Timing
Before you decide when to sell, know what your phone is actually worth at its current condition and configuration. Timing is one variable; these others move the number independently.
- Storage capacity. Higher storage tiers consistently sell for more, typically $30 to $80 depending on the model and generation.
- Carrier lock status. Unlocked phones command a premium over carrier-locked models. See the unlocked vs. carrier-locked phones guide for the full breakdown.
- Condition. Minor cosmetic wear is expected and already priced into the used market. Cracked glass or water damage is a different matter: both materially reduce value, and either one disqualifies a listing on Swappa.
- Battery health (iPhones). If your iPhone’s battery health is below 80% and the Apple battery message is showing in Settings, you must disclose that in your listing. Buyers factor it into their offers, but a functional low-health battery does not prevent you from listing.
- Accessories. Original box and charger rarely add significant value. Do not delay listing while searching for them.
Check Swappa’s phone pricing page to see current sell prices by model and storage tier. Then layer in the timing windows above to decide whether to list now or hold for a better window.
For the full playbook on how to prep your phone, write a listing that sells, and maximize payout vs. trade-in alternatives, see How to Sell Your Used Phone for the Most Money. This article covers when to sell; that one covers how.
Listing Your Phone on Swappa
Listing on Swappa is free. Staff review every listing before it goes live, so buyers are seeing verified, accurate listings, and sellers who meet the standards get in front of serious buyers quickly.
To list your phone on Swappa, it needs to:
- Have a clean IMEI/ESN (not reported lost, stolen, or blacklisted)
- Be fully paid off with the carrier account in good standing
- Have no Activation Lock, iCloud lock, or FRP lock active
- Have no cracked glass or water damage
- Have a fully functional battery (charges and discharges normally)
If your phone meets those criteria, you are ready to list. If battery health is low but the battery is functional, you can still list. Just disclose it accurately. Buyers price accordingly and appreciate transparency.
Payments run through PayPal (with buyer and seller protections and dispute resolution) or Stripe for select sellers. Swappa’s support team is available 24 hours a day, 7 days a week, 365 days a year, with a typical response time around 20 minutes.
FAQ
What is the best time of year to sell an iPhone?
Late July through mid-August is the best window. Apple announces new iPhone models each September, and resale demand for the outgoing generation drops noticeably after the announcement. Selling 4 to 8 weeks before the announcement captures near-peak demand and prices.
How much value does an iPhone lose after a new model is announced?
The drop varies by model and generation, but a 10 to 20% decline in resale value in the weeks following an iPhone announcement is common. Pro and Pro Max models tend to hold their value better than base and Plus models, but all see meaningful softening after the announcement.
When should I sell my Samsung Galaxy phone?
For Galaxy S-series phones, December through early January is the target window, before Galaxy Unpacked (typically late January or early February). For Galaxy Z Fold and Z Flip foldables, target mid-summer before their usual late-July or August announcement. Selling before the announcement captures the best return.
Is it better to trade in my phone with my carrier or sell it on Swappa?
It depends on your situation. Carrier trade-in promotions often offer compelling headline credits, but those credits are typically paid out over 24 to 36 months as bill credits tied to keeping a specific plan or new line. Selling on Swappa gives you immediate cash with no carrier lock-in. Run the total-value math before deciding.
Does phone storage capacity affect resale value?
Yes. Higher storage tiers consistently sell for more, typically $30 to $80 more depending on the model. If you have the choice at purchase time, higher storage is better for eventual resale.
Can I sell my phone on Swappa if the battery health is low?
Yes, as long as the battery is fully functional and charges and discharges normally. For iPhones, if battery health is below 80% and the Apple battery message is displayed in Settings, you must disclose this in your listing. Swappa does not require a minimum battery percentage to list, only accurate disclosure and full functionality.
