The OnePlus 15 is making waves in the smartphone world. With its customizable action button, blazing 165 Hz AMOLED display, and massive 7,300 mAh battery, it’s more than just another flagship — it’s a gaming and performance powerhouse. Whether you’re a gamer, a content creator, or a power user, the OnePlus 15 is engineered to deliver sustained performance, long battery life, and superior usability. In this review, we’ll dive into every feature, including design, display, performance, battery, and AI-powered software.
The Action Button: A Game-Changing Feature
One of the most talked-about upgrades in the OnePlus 15 is the removable alert slider replacement, now called the action button. Unlike previous OnePlus devices, this button is fully customizable, letting users assign it to:
- Launch apps like the camera or notes.
- Activate gaming mode for smoother performance.
- Trigger AI features integrated with OxygenOS 16.
| Feature | OnePlus 15 Action Button | Previous Alert Slider |
|---|---|---|
| Customizable functions | Yes | No |
| Launch apps | Yes | No |
| AI integration | Yes | No |
| Ring/Silent toggle | Optional | Default only |
This change makes the OnePlus 15 highly adaptable, and the AI-powered shortcuts allow for a more personalized smartphone experience. For more insights on OnePlus software, check on OxygenOS 16 features.
OnePlus 15
Display That Stands Out: 165 Hz and 1.5K AMOLED
The OnePlus 15 features a 6.78-inch AMOLED screen with 1.5K resolution (2772 × 1272) and a 165 Hz refresh rate, making it ideal for high-performance gaming and smooth multitasking.
| Display Feature | Specification |
|---|---|
| Screen size | 6.78 inches |
| Resolution | 1.5K (2772 × 1272) |
| Refresh rate | 165 Hz (adaptive) |
| Touch sampling | 3200 Hz |
| HDR support | HDR10+ |
| Peak brightness | 1,800 nits |
Key advantages:
- Ultra-smooth gaming: Ideal for competitive mobile gaming.
- Adaptive LTPO panel: Saves battery by adjusting refresh rates automatically.
- High daylight visibility: Peak brightness ensures clarity outdoors.
For a deeper dive into gaming performance on high-refresh-rate smartphones, see our guide on best gaming phones of 2025.
Massive 7,300 mAh Battery with Fast Charging
Battery life is often the Achilles’ heel of high-end smartphones — not with the OnePlus 15.
| Feature | Specification |
|---|---|
| Battery capacity | 7,300 mAh |
| Wired charging | 120W SuperVOOC |
| Wireless charging | 50W |
| Screen-on time | 10–12 hours |
| Real-world endurance | 2+ days moderate use |
| Charging time (0–100%) | ~25–30 minutes wired |
The silicon-carbon battery combined with Ultra-fast charging allows the phone to last more than two days on moderate use. The bypass charging system ensures the device stays cool even during intensive gaming sessions.
Performance and Cooling: Power Meets Stability
Under the hood, the OnePlus 15 packs the Snapdragon 8 Elite Gen 5 processor, paired with LPDDR5X RAM up to 16 GB and UFS 4.1 storage, offering unmatched performance for gaming, multitasking, and content creation.
| Component | Specification |
|---|---|
| Processor | Snapdragon 8 Elite Gen 5 |
| GPU | Adreno 750 Gen 2 |
| RAM | 12 GB / 16 GB LPDDR5X |
| Storage | 256 GB / 512 GB UFS 4.1 |
| Cooling | Glacier Cooling System (vapor chamber + aerogel) |
| Gaming chip | G2 esports network chip |
The Glacier Cooling System ensures the phone doesn’t throttle under prolonged usage. Coupled with the G2 esports chip, the OnePlus 15 reduces network latency for smooth multiplayer gaming. For more details on Snapdragon 8 Elite Gen 5 performance, visit Qualcomm Official Page.
Camera Setup: Triple 50 MP System
The OnePlus 15 features a triple 50 MP rear camera setup and a 32 MP front camera.
| Camera | Sensor | Feature |
|---|---|---|
| Main | 50 MP Sony | Wide-angle, OIS |
| Ultra-wide | 50 MP OmniVision | AI scene recognition |
| Telephoto | 50 MP | 3.5× optical zoom, periscope |
| Front | 32 MP | Portrait & AI enhancements |
Even with slightly smaller sensors than some competitors, the AI-driven LUMO imaging engine ensures vibrant, detailed photos and smooth 4K/8K video recording.
OnePlus 15
Durability and Build Quality
OnePlus 15 combines rugged durability with premium design.
| Feature | Specification |
|---|---|
| IP Rating | IP66, IP68, IP69K |
| Build | Micro-arc oxidation (MAO) frame |
| Design | Flat edges, soft corners |
| Additional | Ultrasonic fingerprint, Wi-Fi 7, IR blaster |
This ensures the OnePlus 15 can withstand tough daily usage while maintaining a sleek, modern appearance.
Software and AI: OxygenOS 16 with Mind Space
The OnePlus 15 runs OxygenOS 16 on Android 16, featuring Mind Space AI and Google Gemini integration.
- Smart contextual suggestions adapt to your usage patterns.
- Action button can trigger AI shortcuts.
- Efficient power management prolongs battery life.
Pros & Cons
| Pros | Cons |
|---|---|
| Massive 7,300 mAh battery | Delayed U.S. launch |
| 165 Hz AMOLED display | Lower resolution than QHD+ |
| Customizable action button | Smaller camera sensors |
| Snapdragon 8 Elite Gen 5 performance | Some regions limited to 80W charging |
| Glacier Cooling System | AI features may need adaptation |
Why OnePlus 15 Sets a New Flagship Standard
- Battery Life Without Compromise – 7,300 mAh ensures up to two days usage.
- Gaming and Performance Optimized – 165 Hz display + G2 chip + Glacier cooling system.
- Durability Meets Design – IP69K rating with MAO-treated frame.
- Smarter Interaction – AI features + customizable action button improve usability.
- Future-Ready Hardware – Snapdragon 8 Elite Gen 5 and UFS 4.1 storage ensure longevity.
Conclusion
The OnePlus 15 isn’t just a flagship phone — it’s a tool for power users, gamers, and tech enthusiasts. With its customizable action button, ultra-fast display, massive battery, and AI-powered software, it redefines what a modern flagship can achieve. If you want the ultimate combination of performance, endurance, and smart features, the OnePlus 15 is a strong contender for your next device.
