Why you should choose a used iPhone 13 now: The optimal solution for balancing cost-effectiveness and peace of mind
"I don't want to compromise on performance," "but I want to keep my smartphone bill as low as possible."
For 20-30 year old users with these thoughts, the "used iPhone 13" is attracting attention. It's significantly cheaper than a new one, and its high performance makes it still highly practical.
However, many people are anxious about buying used items, and often have questions like, "Where can I buy safely?" or "Will a used one last a long time?" This article explains why the iPhone 13 is recommended now, as well as precautions to know before buying, and reliable places to purchase, in an easy-to-understand way. Find your affordable and reliable iPhone 13 in this article.
Why a used iPhone 13 is a good target now
The iPhone 13 was released in 2021 and features the A15 Bionic chip, boasting very high processing performance even today. It also supports the latest iOS and is expected to receive software updates for several more years.
Additionally, the iPhone 13 series comes in four models: mini, standard, Pro, and Pro Max, each with distinct features. The 13 in particular offers an excellent "balance of price and performance" and maintains high popularity in the used market.
Furthermore, it's not uncommon to purchase a used iPhone 13 for 30,000 to 50,000 yen less than a new one. It's also suitable for use with a low-cost SIM or as a sub-device, making it the perfect choice for anyone currently looking for a "just right smartphone."
A15 Bionic chip-equipped device with a good balance of cost performance and functionality
The A15 Bionic chip is excellent in terms of both processing speed and power efficiency. It can comfortably handle demanding tasks like gaming and video editing, and its battery life is outstanding. The camera performance has also evolved, with features like Night mode and Cinematic mode, making it versatile for everything from daily use to social media posting.
The reason for the enduring popularity of an older model
While the iPhone 13 series looks almost identical to the 12, it offers improved practical performance in its camera and processing power. The 13 mini, in particular, maintains strong popularity among those who prefer smaller phones, and the 13 Pro is chosen by users seeking high-performance models, featuring a telephoto camera and a 120Hz refresh rate.
Points to check when choosing a used iPhone 13

Unlike new products, used items vary in condition, so checking key points before purchase is crucial. Especially for popular models like the iPhone 13, there is a large circulation and significant price differences depending on the condition, so neglecting to check can lead to failure.
By following the four points listed below, you can make a safe and satisfying purchase of a used item.
Red-chip warranty and communication restriction check
A "red chip" refers to a situation where communication is restricted because the previous owner failed to pay the device charges. To avoid the risk of the device becoming unusable after purchase, it is essential to buy from a retailer that offers a permanent "red chip" warranty.
How to check battery health (can be checked on iOS)
You can check the maximum capacity by going to [Settings] → [Battery] → [Battery Health & Charging]. If it's 80% or more, it's practically fine, but 90% or more is ideal. Check if this is clearly stated by the shop.
Why choose SIM-free/unlocked
With SIM-free, you can freely use any carrier, including low-cost SIMs. Even carrier devices can be used similarly if they are SIM-unlocked. The flexibility to review communication contracts is a big advantage.
Warranty/return policy of at least 30 days is desirable
Used items may have hidden defects, so the presence of a warranty period is important. Choose a retailer that offers a warranty of at least 30 days, and ideally 90 days or more.
Where to buy a used iPhone 13 safely! Reliable places to buy?
Where you buy a used iPhone 13 is just as important as the price. Choosing based solely on price comes with risks such as red chip issues, battery degradation, and malfunctions.
Typical purchasing options include flea market sites, carrier-certified used devices, Apple refurbished products, and specialized used shops. Each has its advantages and disadvantages, so it's important to choose what suits you best.
Risks of flea markets and auctions
While prices may seem low, there are significant risks involved, such as the mixing of "red chip" (locked) and junk items, no warranty, and absolutely no support in case of trouble. Not recommended for anyone without expert knowledge.
Pros and cons of carrier-certified used and Apple refurbished products
While quality is assured, prices tend to be somewhat higher, making them slightly less "bargain-like" as used items. Apple refurbished products, in particular, can sometimes be priced close to new items.
Why choose a specialized used shop (including PRODIG)
These shops have systems in place that allow even beginners to purchase with peace of mind, such as operation checks, "red chip" warranty, cleaning, and clear battery status display. Furthermore, PRODIG has a physical store in Akihabara, offering in-person support.
PRODIG's Used iPhone 13 Series List
4 benefits of buying a used iPhone 13 at PRODIG

If you're buying a used iPhone 13, I strongly recommend PRODIG. The reasons are clear: it offers all the unique peace-of-mind features not found elsewhere, such as "permanent red chip warranty," "180-day operational warranty," "cleaned products," and "clear battery status indication."
Furthermore, it has a system in place for long-term support, including in-person support at its physical store and a trade-in service for future upgrades.
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Permanent red chip warranty + 180-day operational warranty
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All products cleaned / battery status clearly indicated
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In-person support available at Akihabara store
Smartly manage your iPhone 13 with a low-cost SIM
The iPhone 13 is highly user-friendly as a SIM-free device and pairs perfectly with low-cost SIMs. You can reduce your monthly communication fees while flexibly choosing a plan that suits your usage.
Especially with eSIM-compatible models, you can combine a main line with a low-cost line, which significantly improves the balance between cost and convenience.
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Compatible with major MVNOs such as Rakuten Mobile, UQ mobile, and Y!mobile
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APN settings are easy to configure following each company's manual
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Further savings on calls by combining with LINE or FaceTime Audio
Tips for utilizing trade-ins for those considering upgrading or selling
If you're considering upgrading to an iPhone SE3, you can reduce your expenses by selling your current smartphone. PRODIG offers a trade-in service at its Akihabara store or via delivery, with online appraisals available in advance.
The ability to smoothly handle the entire "sell and buy" process is a unique advantage of PRODIG, which supports both purchases and trade-ins.
Q&A – Frequently Asked Questions about Used iPhone 13

Will a used item break quickly?
Purchasing with an operation check and warranty significantly reduces the risk. Specialized shops like PRODIG also provide thorough support for initial defects.
Which low-cost SIMs can be used?
If it's SIM-free, it supports major MVNOs such as Rakuten Mobile, UQ mobile, and Y!mobile.
Is battery replacement necessary?
If the maximum capacity is less than 80%, replacement is recommended. Depending on the condition, some may have already had their batteries replaced at the time of purchase.
Finally
The used iPhone 13 is a smartphone with an excellent balance of "safety, affordability, and practicality." While offering high performance, its price is kept low, and it's easy to use with low-cost SIMs or as a secondary device, making it suitable for first-time used purchases.
Before purchasing, it's crucial to check for red chip warranty, battery status, and SIM-free status, and buying from a reliable specialized store is key to avoiding disappointment.
PRODIG provides a system that allows even first-time used smartphone buyers to choose with confidence. Please consider the "used iPhone 13" for your next smartphone purchase.
