In 2025, the secondhand smartphone market remains highly active, especially for flagship models like the iPhone 15 Pro Max, which continues to be popular since its launch. With outstanding performance and premium materials, many people still wonder, “Is the iPhone 15 Pro Max still worth buying in 2025?” The answer depends on several factors, including market trends, used pricing, and innovations that influence value assessment.

 

iPhone Secondhand Market Outlook for 2025

 

The secondhand smartphone market in 2025 is driven by AI technology and sustainability demands. Consumers increasingly choose pre-owned devices to save costs and reduce electronic waste. According to Counterpoint Research, the global used phone market has grown by over 10% annually, with iPhones generally retaining value better than other brands.

 

Impact of AI on Pricing and Device Condition Checks

 

One of the key trends for 2025 is the adoption of AI for pricing estimation and device condition checks. Major resellers and secondhand platforms such as Kaidee and Facebook Marketplace are integrating AI to analyze factors like scratch inspection through photos and resale value forecasting based on historical price data.

 

For consumers, using AI to check used iPhone prices makes pricing more accurate and helps evaluate the trade-in value with better precision.

 

Comparing Resale Value with the iPhone 16 Pro Max

 

When compared to the newly released iPhone 16 Pro Max, the iPhone 15 Pro Max still maintains a strong resale value. The average used price difference is around 15–25%, depending on the device’s condition and included accessories. Many users search for terms like “15 Pro Max vs 16 Pro Max used price comparison” to support their purchasing decisions.

 

Market data shows that the 256GB iPhone 15 Pro Max continues to sell for around 33,000–37,000 THB in the second half of 2025. Compared to its original retail price, that reflects a depreciation rate of about 30–35%, which is better than the average for flagship Android devices.

 

Importance of Right to Repair and Independent Repair Services

 

Another factor influencing used prices is the Right to Repair movement. Today’s consumers pay attention to credible repair options, even outside official Apple centers. Shops participating in Apple’s Independent Repair Provider program or using equivalent-quality parts are gaining more trust.

 

Studies show that devices repaired transparently with clear service histories retain resale value 10–15% better than those repaired through general, unverified shops. This trend reflects consumers’ growing interest in sustainability and environmental responsibility.

 

Storage Capacity Popularity Trends

 

Price comparison websites reveal that the 256GB model, which is the base storage option, typically experiences a higher rate of depreciation than larger capacities (512GB or 1TB). In 2025, the iPhone 15 Pro Max 256GB has depreciated by approximately 35%, while the 1TB version drops only about 25%, as it appeals to niche users such as creators and videographers.

 

Therefore, for those planning future resale, the 512GB version strikes the best balance between demand and retained value.

 

iPhone 15 Pro Max Trade In through Apple Trade In Program

 

Apple Thailand offers a Trade In program that allows customers to exchange their old iPhones for credit toward new purchases. The appraisal depends on storage and condition. In 2025, a 256GB iPhone 15 Pro Max in excellent condition can be quoted around 26,000–29,000 THB.

 

However, for general sellers, choosing where to sell your iPhone 15 Pro Max for the best price depends on the channel. Selling through platforms with AI condition analysis, such as online marketplaces, can often yield slightly higher prices than Apple’s Trade In.

 

Guidelines for Buyers and Sellers in 2025

 

  • Check median prices from multiple sources such as SellCell and BankMyCell before making a transaction.
  • Use AI-assisted apps to estimate price and screen condition.
  • Verify repair history and certifications.
  • Compare used prices between iPhone 15 Pro Max and iPhone 16 Pro Max before making decisions.
  • Choose a storage capacity that fits your needs and ensures long-term value.

 

FAQ – Frequently Asked Questions

 

Is the iPhone 15 Pro Max still worth buying in 2025?

 

If you don’t need the latest features of the iPhone 16 Pro Max, the iPhone 15 Pro Max remains an excellent choice, thanks to the powerful A17 Pro chip and more accessible secondhand pricing.

 

Where should you sell or trade in your device?

 

For quick and secure transactions, Apple Trade In is a solid option. But if you’re looking for a slightly higher price, selling on marketplace platforms with AI-assisted condition evaluation is recommended for more accurate and transparent pricing.

 

Which storage model has the best resale value?

 

The 512GB version tends to depreciate the least, appealing to both professionals and everyday users, while the 1TB variant remains the most premium and niche.

 

Conclusion

 

Overall, the used iPhone 15 Pro Max price in 2025 remains attractive for both collectors and practical buyers seeking a flagship smartphone at an affordable price. Combined with AI-based price analysis, the Right to Repair movement, and flexible trade-in options, users can make buying and selling decisions that are both valuable and sustainable.

 

References

  • SellCell – 2025 Smartphone Depreciation Report
  • Counterpoint Research – Global Refurbished Smartphone Market Report 2025
  • Apple Trade In Thailand
  • Kaidee Marketplace Price Index 2025