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Selling an iPhone before Apple's September announcement usually returns more money, because resale prices for current and recent models fall once new models are announced and the supply of traded-in phones rises. Apple has introduced its main iPhone lineup at a September event in most recent years, including the iPhone 17 lineup in September 2025 and the iPhone 18 Pro and iPhone 18 Pro Max in September 2026. A quote locked before the event holds its price for 14 days. Start with Sell iPhone for Cash to record today's number.
- When prices move: after the September announcement and as new phones ship.
- Who loses most: the newest Pro and Pro Max models, in dollars.
- How to protect value: lock a quote, then ship within its 14-day window.
- Trade-off: selling early means using a spare phone until the new one arrives.
How much do prices drop after Apple's September event?
Resale prices for the previous flagship models usually drop in the weeks after Apple's September event, though the size of the drop varies each year by model, storage and demand. Three effects drive the drop:
- Lower perceived value: the previous Pro model stops being the newest, so buyers pay less for it.
- Higher supply: millions of upgraders trade in or sell their old phones in the same weeks.
- Carrier promotions: launch trade-in offers reduce private demand for used phones.
No fixed percentage applies every year. The consistent pattern is direction, not size: values fall after announcement, and they rarely rise again for the same model. How Fast Do iPhones Lose Value? Depreciation by Year explains the longer pattern.
How can I lock in today's offer?
Lock in today's offer by requesting a quote before the announcement and shipping the phone within the quote's validity period. The process has 4 steps:
- Request a quote with the correct model, storage, carrier status and condition answers.
- Note the quote's expiration date, which is 14 days after it is issued.
- Ship the phone with the free prepaid tracked label before that date.
- Receive payment by PayPal, Zelle or bank transfer 1–2 business days after testing.
The quoted price holds if the phone arrives within the window and matches the condition answers. A phone shipped after expiry is priced at the current rate. How to Sell iPhone Online in Six Steps shows the full process.
Which models drop most?
The newest Pro and Pro Max models usually drop most in dollars after a launch, because they start from the highest price. The table lists the typical pattern by model group.
| Model group | Typical launch effect | Example in fall 2026 |
|---|---|---|
| Previous Pro and Pro Max | Largest drop in dollars | iPhone 17 Pro, iPhone 17 Pro Max |
| Previous standard and Air models | Moderate drop | iPhone 17, iPhone Air |
| Models 2–3 years old | Smaller drop in dollars | iPhone 15 and 16 lineups |
| Models 4 or more years old | Small change | iPhone 11, iPhone 12 |
High-storage versions, such as 1TB models, also tend to fall more in dollars than base storage versions. Pro vs Pro Max: Which iPhone Sells for More? compares the two largest models.
When does Apple usually announce new iPhones?
Apple usually announces new iPhones at a September event, with preorders opening a few days later and sales starting about 1 week after preorders. The September 2025 event introduced the iPhone 17, iPhone Air, iPhone 17 Pro and iPhone 17 Pro Max. The September 2026 event introduced the iPhone 18 Pro and iPhone 18 Pro Max, which went on sale on September 18, 2026. Apple announces event dates about 1–2 weeks ahead.
What is the best window to sell before a launch?
The best window to sell before a launch is the 2–4 weeks before Apple's September event, because prices are still at pre-announcement levels and a 14-day quote can cover the event date. Late August and early September are the usual target. Selling in July or earlier also avoids the drop, but it means a longer wait without a phone or with a spare phone. Best Time to Sell Your iPhone Before Prices Drop covers the rest of the calendar.
What if I need my phone until the new one arrives?
A seller who needs a phone until the new one arrives has 3 options:
- Lock a quote and keep using the phone: ship it after the new phone arrives, within the 14-day validity.
- Use a spare phone: move the eSIM or SIM to an older phone for the gap.
- Sell after delivery: accept the post-launch price in exchange for no gap.
Option 1 works when the new phone arrives within 14 days of the quote. A quote requested on the morning of the event, followed by preordering, often fits that window for launch-day orders. Back up the phone and transfer data before shipping. How to Transfer Data to a New iPhone Before Selling the Old One covers that step.
Is it worth waiting for a launch trade-in promotion?
Waiting for a launch trade-in promotion is worth it only when the promotion's adjusted value exceeds a cash quote taken before the event. Carrier launch promotions are often paid as monthly bill credits over 24–36 months and require an eligible plan. Apple Trade In applies credit to a new Apple purchase. A cash quote taken before the announcement gives a fixed number to compare. Sell Your iPhone or Trade It In? Cash vs Carrier Credit explains the comparison.
Do prices drop for every iPhone after a launch?
Prices drop most for the models that the new lineup replaces, and less for older models whose value already reflects their age. An iPhone 11 or iPhone 12 changes little in dollars after a September event. The previous year's Pro Max changes most. Models that Apple stops supporting with a new iOS release can see a separate drop when the iOS support list is announced at Apple's June developer conference. Which iPhones Still Get iOS Updates? lists supported models.
How do I prepare an iPhone for a pre-launch sale?
Prepare an iPhone for a pre-launch sale in 6 steps:
- Request a quote and note its expiration date.
- Back up the phone to iCloud or a computer.
- Transfer data and the eSIM to the new or spare phone.
- Turn off Find My and sign out of the Apple Account.
- Erase all content and settings.
- Pack the phone and ship it with the prepaid label before the quote expires.
How to Prepare Your iPhone to Sell: 9-Step Checklist covers each step.
Does condition matter more than timing?
Condition usually changes the offer more than launch timing does. A cracked screen or a cracked back lowers the grade, and a lower grade can cost more than a few weeks of market change. Keep the phone in a case and use a screen protector until it ships. Report condition accurately in the quote form, because a phone that arrives in a different condition receives a revised offer. iPhone Condition Grades When You Sell: Like New to Damaged explains the grades.
Should I sell a brand-new iPhone right after launch?
A brand-new, sealed iPhone bought at launch can be sold for cash, and sealed phones receive the highest grade. Demand for newly launched models is strongest in the first weeks, when stock is limited. How to Sell a New, Unopened iPhone for Cash explains how sealed phones are priced and checked.
What happens if I miss the pre-launch window?
Missing the pre-launch window means the phone is priced at post-announcement rates, which are lower for recent models but still well above zero. The next price change for that model usually comes with the following year's launch, so selling soon after the event still returns more than waiting another year. Phones lose value each month they are held after replacement. How Much Is My iPhone Worth If I Sell It Today? explains current pricing.
Can I sell several household iPhones before a launch?
A household upgrading several phones can request a quote for each phone before the event and ship them together or separately within each quote's 14-day window. Each phone is tested and paid on its own result. Accessories, such as an Apple Watch or AirPods, can be quoted at the same time. Sell Your iPhone, Apple Watch and AirPods Together covers combined sales.
What signals tell me a launch is close?
Three signals show a launch is close: Apple's event invitation, usually sent 1–2 weeks before the event; the end of Apple's June developer conference cycle, when the new iOS version enters public testing; and carrier promotion announcements in late August. Request a quote when the invitation appears, because the 14-day window then covers the event and the first sales week.
How does a pre-launch sale compare with selling after launch?
A pre-launch sale and a post-launch sale differ on 5 attributes:
| Attribute | Sell before the event | Sell after the event |
|---|---|---|
| Price for recent models | Higher | Lower |
| Phone gap | Possible, unless the quote window covers delivery | None |
| Data transfer | Needs a spare or new phone ready | Direct phone-to-phone transfer |
| Competition from other sellers | Lower | Higher |
| Price certainty | Fixed by a 14-day quote | Fixed by a 14-day quote at the new rate |
Does a new iOS release change resale prices?
A new iOS release changes resale prices mainly for models that lose support. iOS 27, released on September 14, 2026, supports the same models as iOS 26: iPhone 11 and later, plus iPhone SE 2nd generation and later. Because no model lost support in 2026, the iOS release did not create a separate price drop for any supported model. Apple Intelligence features require an iPhone 15 Pro or newer, which supports demand for those models. Which iPhones Support Apple Intelligence? lists them.
What records help a pre-launch sale go smoothly?
Three records help a pre-launch sale go smoothly: the quote confirmation email with its expiration date, the shipping receipt with the tracking number, and a few photos of the phone taken before packing. The tracking number shows the phone was shipped inside the 14-day window. The photos show its condition at shipping. Sale status is available on the tracking page.
Frequently asked questions about selling before a new iPhone launch
Should I sell my iPhone before the new iPhone comes out?
Selling an iPhone before the new model is announced usually returns more money, because resale prices for recent models fall after Apple's September event as new phones arrive and trade-in supply rises. Lock a quote 2–4 weeks before the event and ship within the 14-day validity to keep the pre-launch price.
How much does iPhone resale value drop after a launch?
The drop varies each year by model, storage and demand, so no fixed percentage applies. The previous year's Pro and Pro Max models usually fall most in dollars, while models 4 or more years old change little. The direction is consistent: values for a replaced model fall after the announcement and rarely recover.
How long does a quote stay valid before a launch?
A quote stays valid for 14 days after it is issued. The quoted price holds when the phone is shipped within that period and matches the condition answers given in the quote form. A phone shipped after the quote expires is priced at the current rate, which may be lower after a launch.
Can I keep using my iPhone after locking a quote?
An iPhone can stay in use after a quote is locked, as long as it ships within the 14-day validity period and its condition does not change. Back up the phone, transfer data to the new phone, turn off Find My and erase it before shipping. Damage that occurs after the quote leads to a revised offer.
Which iPhones lose the most value after a new launch?
The previous year's Pro and Pro Max models usually lose the most value in dollars after a new launch, especially high-storage versions such as 512GB and 1TB. Standard and Air models fall moderately. Models that are 4 or more years old, such as the iPhone 11, change little because their prices already reflect their age.
Sources and references
- Apple Newsroom: iPhone 17 lineup announcement, September 2025, and iPhone 18 Pro announcement, September 2026.
- Finder: iPhone 18 Pro and Pro Max release details.
- Apple Support: what to do before you sell, give away or trade in your iPhone.