A side-by-side photo of ThinBorne OnePlus 15 case and OnePlus 13 case

Will the OnePlus 13 Case Fit the OnePlus 15?

Écrit par : Mary

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Temps de lecture 6 min

You are probably getting ready for your new phone and wondering one crucial thing: Will the OnePlus 13 case fit the OnePlus 15? We want to give you a clear answer right away, and the answer is no. 


When a company makes a new phone, like the OnePlus 15, it often changes its size and shape. Because of these changes, the case you used for your old OnePlus 13 simply will not work. 


Trying to put an old case on a new phone can even cause damage. Therefore, you must buy a special OnePlus 15 case explicitly designed for its new shape. 


We will explain the key differences so you know precisely why you need a new case.

🔑 Key Takeaways

The OnePlus 13 Case will not fit the OnePlus 15 due to significant design changes.

The OnePlus 15 features a square camera module, completely different from the OnePlus 13's circular one.

The frame design of the OnePlus 15 is flat-edged, moving away from the curved edges of its predecessor.

Small differences in physical dimensions (length, width, thickness) are enough to make old cases incompatible.

You must purchase a case designed specifically for the OnePlus 15 to ensure proper protection and button/port alignment.

Key Design Differences Between OnePlus 13 and OnePlus 15

A side-by-side photo of ThinBorne OnePlus 15 case and OnePlus 13 case with a confused person

The OnePlus 13 was a popular device when it launched, thanks to its unique design elements. 


However, as technology advances, the OnePlus 15's expected release brings significant design changes. When comparing the two, we can see big design updates. Even tiny changes in the phone's size or shape mean that a case from the old phone won't fit the new one. 


In the comparison table, you can see a big difference between OnePlus 13 and the OnePlus 15:


Feature

OnePlus 13

OnePlus 15

Height

162.9 mm

161.4 mm

Width

76.5 mm

76.7 mm

Thickness

8.5–8.9 mm

8.1–8.2 mm

Weight

210–213 g

211–215 g

Display Size

6.82"

6.78"

Resolution

QHD+

FHD+

Screen Edges

Curved

Flat edges

Camera Shape

Circular

Square

✅ Pro Tip: Get the most out of your OnePlus 15 by harnessing its Apple-like MagSafe functionality through a third-party magnetic case.

Why OnePlus 13 Case Will Not Fit an OnePlus 15

You may wish to use your old case, but here is the simple truth: an OnePlus 13 Case will not fit an OnePlus 15. 


Cases are made to wrap around every part of your phone exactly. If anything is even slightly off, the case will not protect your phone well. 


From the phone's details, we can see four main reasons you need a proper OnePlus 15 case.

1. Camera Module Changes

The biggest problem is the camera area. A case needs a perfect hole so the cameras can work. However, the OnePlus 13 had a circular camera design, while the OnePlus 15 uses a square one. 


Because the shapes are totally different, the hole in the old case will not line up with the new camera. This means the old case is no longer useful for protection.


Feature

OnePlus 13

OnePlus 15

Camera Shape

Circular

Square

Main Camera

50 MP

50 MP

Telephoto

3x zoom

3.5x zoom

Front Camera

32 MP (fixed focus)

32 MP (autofocus)

2. Physical Dimensions

Furthermore, the new phone is a different size. Phones are measured by their height, width, and thickness. The OnePlus 15 is a little shorter and thinner than the OnePlus 13. 


When you try to put the old case on, it will be too big and loose. This means the case won't hold the phone tightly, and your new device could easily fall out or get damaged if you drop it.


Feature

OnePlus 13

OnePlus 15

Height

Taller

Shorter

Width

Slightly narrower

Slightly wider

Thickness

Thicker

Thinner

Weight

210–213 g

211–215 g

3. Button & Port Layout Adjustments

The case also needs perfect holes for all the buttons and ports, including the charging port and volume buttons. Even though both phones have the buttons on the same side, the exact placement has changed slightly. 


Because of this small change, the old case will cover or miss the buttons on the OnePlus 15, making it very hard for you to turn the volume up or down.


Feature

OnePlus 13

OnePlus 15

Alert Slider

Yes

Yes

Button Side

Right

Right

USB-C Port

Centered

Centered

SIM Tray

Dual SIM + eSIM

Dual SIM + eSIM

4. Display & Frame Design Updates

Finally, the way the phone's sides are shaped has changed. The OnePlus 13 had rounded edges, but the new OnePlus 15 has flat edges. 


A case must match this shape exactly to cover the corners. Since the old case was made for rounded sides, it will not fit tightly around the new straight sides. This leaves the edges of your new phone open to drops and damage.


Feature

OnePlus 13

OnePlus 15

Display

6.82" QHD+

6.78" FHD+

Screen Type

Curved

Flat

Brightness

Up to 4500 nits

1800 nits HBM

Glass

Ceramic Guard

Gorilla Glass Victus 2

Frame Style

Rounded

Flat-edged

How to Choose the Right OnePlus 15 Case

ThinBorne aramid fiber case with features

Since you must get a new case for your OnePlus 15, let us help you pick the best one. How do you use your phone every day? By choosing carefully, you make sure your phone stays safe for a long time.

1. Assess Your Protection Needs

Start by thinking about how often you drop your phone. If you are worried about dropping it often, you should buy a thick, heavy-duty case. But if your phone mostly stays in your bag or pocket, a thin, simple case will be enough.

2. Consider Lifestyle and Features

Next, consider whether you need your case to do more. For example, if you watch many videos, you might like a case with a built-in stand. If you do not like carrying a wallet, a case that holds your credit cards might be a great choice.

3. Choose the Right Material and Style

Cases come in different materials, such as soft rubber or hard plastic. Each one feels different and protects differently. Also, pick a style you like! Do you want a clear case so you can see your phone's color, or do you prefer a cool design that shows off your style?

4. Verify Compatibility Before Buying

This step is the most important! Before you buy anything, you must check the box or the website. The description must clearly say that the case is for the OnePlus 15. Please do not guess or hope that an old case will fit; it will only fit if it says "OnePlus 15."

5. Balance Protection, Style, and Usability

The best case does three things well: it keeps your phone safe, looks good, and remains easy to use. You shouldn't have to choose between keeping your phone protected and holding it comfortably. Find a case that does all three for you.


You can check this YouTube review for the OnePlus 15:

Conclusion

To sum it up, the OnePlus 13 Case will not fit the OnePlus 15 because the new phone has a different camera shape, straighter sides, and new dimensions. We at ThinBorne want to make sure your new phone is protected well. We care about our customers. That is why we make a special ThinBorne thin phone case that fits perfectly, keeps your phone safe, and still feels slim and light in your hand.

Products Featured In This Blog

Frequently Asked Questions

Will the OnePlus 15 have the Alert Slider feature?

Yes, based on the official specifications, the OnePlus 15 is expected to keep the popular Alert Slider.

Are cases from the OnePlus 14 interchangeable with the OnePlus 15?

No, generally, cases are not interchangeable between any two different generations (like 14 and 15) due to the key design and dimension updates in each new model.

What is the "Flat-edged" design on the OnePlus 15?

The flat-edged design means the sides of the phone are mostly flat and perpendicular to the screen, similar to modern iPhone models, which is a change from the rounded sides of the OnePlus 13.

Does the switch from a circular to a square camera module affect the photos?

The shape of the camera module on the back of the phone is purely aesthetic and structural; it does not directly affect the quality of the photos, which is determined by the internal sensors and lenses.

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Written by Mary

"Passionate about creating content that can spark change or make someone’s day a little easier– help, guide, improve, or inspire. Otherwise, why write it?"

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