OnePlus 15 Rumours Roundup: 7 Exciting Leaks You Need to Know

With October looming, tech enthusiasts are all abuzz about the OnePlus 15 – the firm’s follow-up flagship that’ll set new performance, design and battery standards to match. The device will be launched in China first, and then it will be made available in other global markets by early 2026. With a probable price of about $899, the OnePlus 15 teases wireless charging at speeds that should give you some jitters and on-device storage sizes that are similarly alarming.

For Indian buyers, it’s already a talking point whether the device will be easily available at a OnePlus store in Kolkata or mainly through online sales channels.

Here’s a closer look at the most reliable rumours surrounding the OnePlus 15 – the good, the bad, and the game-changing.

1. A 7,000 mAh Battery With Lightning-Fast Charging

OnePlus has never shied away from pushing the boundaries of power. The OnePlus 13 carried a 6,000 mAh battery, but whispers suggest the OnePlus 15 could jump to a massive 7,000 mAh cell. Some leaks even hinted at 8,000 mAh, but the company may have prioritised keeping the device slim.

The upgrade is expected to pair with 120W wired and 50W wireless charging – enough to give you hours of juice in just minutes. Silicon-carbon battery tech, already used in the previous flagship, will likely make a return, ensuring endurance without a bulky frame.

2. A Display That Trades Resolution for Speed

The display could see both an upgrade and a downgrade. Reports claim the OnePlus 15 will sport a 6.78-inch AMOLED panel with a 165Hz refresh rate, up from the 120Hz on the OnePlus 13. However, resolution may dip from 2K to 1.5K.

For gamers, that higher refresh rate could be a dream, with a performance engine reportedly being developed to enable 165 fps gaming. But everyday users might view the lower resolution as a compromise, especially when most modern flagships now boast crisp 2K panels.

If you’ve recently compared handsets at a Vivo store in Kolkata, you’ll know how aggressively competitors are pushing high-resolution displays, which makes this rumoured downgrade a bit controversial.

3. Farewell to the Iconic Alert Slider?

OnePlus might drop its beloved three-way alert slider, a hallmark feature for years. Instead, leaks suggest a customisable side button that allows multiple functions. Inherent within this is the flexibility to pause; critics say pressing a quick flick to silence the phone was more intuitive than cycling through options in software.

This move brings the device more in line with Oppo’s own design philosophy- and contemporary trends for that matter- but it risks further alienating hardcore fans of OnePlus.

4. Snapdragon 8 Elite 2 for Top-Tier Performance

Power users will appreciate the likely inclusion of Qualcomm’s Snapdragon 8 Elite 2 (also known as Gen 5). Built on TSMC’s advanced 3nm process, it boasts:

• Single-core benchmark scores above 4,000.
• Multi-core scores topping 11,000.
• A re-engineered Oryon CPU delivering 30% more performance.
• An Adreno 840 GPU clocked at 1.35GHz.

With clock speeds potentially peaking at 5.3GHz, the OnePlus 15 could easily stand alongside – or even outshine – pricier flagships in raw power.

5. A Fresh Camera Island Design

Design is another area of change. Instead of the circular camera island that defined recent OnePlus models, the OnePlus 15 may adopt a rectangular camera bump with rounded corners. Positioned at the top-left of the rear panel, it resembles the look of the upcoming 13T and 13s models, but scaled larger for enhanced optics.

This is one of the most significant design departures in years and may help OnePlus carve a sharper identity against rivals like Samsung and Apple.

6. Moving On From Hasselblad – Enter the DetailMax Engine

From the OnePlus 9 to the OnePlus 13, the Hasselblad partnership brought advanced colour science and professional-grade tones. But all signs indicate that the OnePlus 15 will part ways with Hasselblad.

Instead, OnePlus will showcase its own DetailMax Engine – an imaging technology that is meant to capture brighter details, natural colours and balanced tones without extensive post-processing. It’s a bold move, and only hands-on reviews will tell if this gamble pays off.

7. A More Powerful Telephoto Camera

Photography enthusiasts have one other rumour to feel giddy about – that’s the fresh 50MP periscope telephoto lens with an equivalent focal length of 85mm. This translates to a 3.5x–3. A 7x optical zoom, versus the OnePlus 13’s x3.

The marginally narrower aperture (f/2.8 vs f/2.6) could come into play for low-light shots, or not, given sensor size advancements and computational photography, which are likely in play as well. For travellers and portrait lovers, this may be one of the phone’s most stylish add-ons.

Final Thoughts

The OnePlus 15 leaks and rumours show a device with it all to play for. All of that sounds promising, with a gargantuan 7,000mAh battery on tow and an upgraded camera system. But there are potential trade-offs as the reduced resolution and no alert slider may not be to everyone’s preference.

Priced under $900, according to sources, the OnePlus 15’s pricing would allow it to compete with more expensive rivals, offering even less value. Its success will depend on how those rumours manifest in the final product – and how well OnePlus can balance innovation with tradition.