The OnePlus N6 is the brand’s most affordable smartphone at present. It is also the first device in the newly introduced N-series, which targets younger buyers with its “New, Neo, Never Off” philosophy. Staying true to that approach, the OnePlus N6 packs a massive 8,000mAh battery, which the company claims can deliver up to three days of usage on a single charge while retaining over 80 per cent battery health even after seven years.
While only time will tell whether those long-term claims hold up, I spent a week using the phone to see how it performs in everyday use. In this review, I’ll discuss where the OnePlus N6 fits in the current smartphone market, who it is best suited for, and whether it’s worth buying.
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The OnePlus N6 isn’t a typical OnePlus smartphone. Instead of leading the segment in performance, the handset offers a dependable everyday performance. Its battery life remains the standout feature. If battery endurance is your top priority, the N6 deserves a place among the best options in its segment and even beyond. However, buyers looking for stronger cameras, a sharper display, or higher performance will find more balanced alternatives at this price.
The OnePlus N6’s massive 8,000mAh battery is attributed to Silicon-Carbon tech, which can hold more juice than traditional Lithium-ion batteries without being bulky or heavy. While not the biggest, it has a larger capacity than the flagship OnePlus 15 series and delivers well in both synthetic benchmarks and real-world tests.
The OnePlus N6 delivered an impressive result in the PCMark Battery test, lasting 19 hours and 17 minutes, comfortably outperforming many of its rivals. The handset, however, isn’t optimised well for continuous video streaming and gaming. In our testing, the phone consumed around 20 percent of its battery after an hour of YouTube video playback and an hour of gaming. That’s slightly higher than expected for a smartphone equipped with such a massive battery.
That said, the OnePlus N6 is built to comfortably last for days on a single charge with regular use. OnePlus claims up to three days of battery life, and while that is achievable with light, cautious use, most users can realistically expect close to two days on a charge, which is still impressive. During my testing, the phone easily handled navigation, web browsing, social media, messaging, calls, and other everyday tasks without needing a top-up. Standby performance is equally impressive, with the battery dropping by just 2–3 percent overnight.
Part of the phone’s long-lasting battery life is also attributed to its performance, which I’ll get to in a bit.
The trade-off, however, is charging speed. If you’re someone who’s constantly on the move and relies on quick top-ups, the 45W charging support may feel underwhelming. But most people charge their phones overnight, and for that use case, it’s perfectly adequate. In my testing, the OnePlus N6 took around an hour and a half to charge from 20 to 100 percent, making overnight charging a hassle-free experience. The compatible charger is provided in the box.
OnePlus claims that the battery inside the N6 is designed to retain up to 80 percent of its health even after 7 years with 1,600 charge cycles.
The OnePlus N6 follows the brand’s latest design language, closely resembling its more expensive siblings, including the flagship OnePlus 15. The handset features flat edges and a squarish rear camera module. However, to keep the price affordable, OnePlus has made compromises in both materials and durability.
The N6 boasts a polycarbonate body, which doesn’t feel as premium as an aluminium-and-glass frame. Credit where it is due, the back panel has a frosted finish to keep fingerprints and smudges at bay.
Furthermore, unlike the more expensive OnePlus offerings, the smartphone lacks a Plus Key for AI Mind, shortcut controls, and more. Durability is another area where the OnePlus N6 falls a little short. Although standard for the segment, the phone carries an IP65 rating, which offers protection against dust and minor splashes of water.
The massive battery also comes with a compromise in ergonomics. The handset has a noticeably large footprint, making it feel bulky in the hand and quite prominent in the pocket. I even found it uncomfortable while sitting in a car with the phone in my front jeans pocket, as its size made its presence hard to ignore.
At 208 grams, the OnePlus N6 is also on the heavier side. While the weight is manageable during everyday use, it makes the phone less appealing for active users like me who enjoy jogging or running outdoors. Carrying it in a pocket while on the move can be distracting, as its size and weight are noticeable enough to interrupt the experience.
The OnePlus N6 also comes with military-grade durability, with MIL-STD-810 certification and ArmorShell protection, safeguarding it from minor drops and falls. However, I’d strongly recommend using the bundled case or a good-quality protective case (like the one provided in the box) from day one. With its large battery and polycarbonate construction, an accidental drop onto concrete could cause some damage.
We received the OnePlus N6 in Fresh Mint colour, which has a nice, serene feel to it. There is a Pitch Black colour option of the phone for those who like things black.
Moving on to the display, the OnePlus N6 features a 6.8-inch LCD panel with HD+ resolution, a 120Hz refresh rate, and up to 1,200 nits of peak brightness. On paper, these specifications are fairly modest by OnePlus standards. The overall viewing experience is respectable for the price, offering decent colour reproduction and sufficient brightness for indoor use.
The 120Hz refresh rate remained consistent while navigating the system UI, but it frequently dropped to 90Hz or 60Hz across several apps, including some pre-installed system applications. Gaming performance was also limited, with the phone’s built-in FPS monitor reporting a maximum of just 40fps during gameplay.
Outdoor visibility, however, is slightly compromised under direct sunlight. The HD video playback on streaming platforms limits video sharpness, and the relatively thick bezels make the experience less immersive. Like many other smartphones in the segment, the N6 also relies on a single bottom-firing speaker for audio output that can easily get blocked while holding the phone horizontally for gaming and watching videos. The speaker is best enjoyed at a 50-60 percent volume level, where it doesn’t lose its sharpness.
At the core of the OnePlus N6 lies the MediaTek Dimensity 6360 Apex chipset, paired with 8GB of LPDDR4X RAM and 128GB of UFS 2.0 storage. This is the first time we are seeing the chipset on a smartphone. Launched earlier this year, the SoC offers near-identical CPU cores, GPU, memory support, and more as the Dimensity 6300. While the OEM promises an AnTuTu score over 6.5 million, the N6 achieved only 5.8 million in our internal testing. Several sub-Rs 20,000 smartphones, including OPPO K14 and Moto G37 Power, have scored identically.
On the Geekbench single-core and multi-core tests, the OnePlus N6 scored 788 and 1,993 points, respectively. These results are in line with other budget smartphones, meaning the handset doesn’t stand out in terms of performance. While it isn’t snappy, the handset feels reliable enough for routine tasks such as browsing, messaging, and social media. The N6 packs a 5,600mm² vapour chamber cooling system, which keeps it running cool for basic use. While playing games, its thermals increased by an average of 4.5 degrees Celsius after 30 minutes during our internal testing, which is pretty generous.
The OnePlus N6 can also handle a bit of multitasking without much trouble, but demanding games such as BGMI and COD: Mobile are beyond its comfort zone. Noticeable lag and frame drops appeared almost immediately when playing graphically intensive titles. Despite achieving a respectable 68.7 percent in the Burnout CPU Throttle test, the phone is better suited to casual usage and lighter titles such as Subway Surfers.
Software-wise, the OnePlus N6 runs on Android 16-based OxygenOS 16 out of the box. The software experience is on par with other OnePlus smartphones launched lately; however, a few trade-offs have been made. The most prominent being the absence of AI Mind Space, which saves, organises, and summarises on-screen content and more into one single place.
That is not to say the phone lacks AI features altogether. There are a few photo-editing options available, including Portrait Glow, Perfect Glow, Eraser, Unblur, Reflection Remover, and more, that get the job done. Moreover, with Google Gemini, users can also search what’s on their screen, get writing assistance, generate images, and interact with the AI assistant through natural conversations. The software looked well-baked on the device, with no unusual app crashes or screen freezes.
On the updates front, the OnePlus N6 is promised to receive two major OS upgrades and three years of security updates. This is on par with other contemporary smartphones within the segment, keeping the phone relevant until 2029.
The OnePlus N6 packs a dual-rear camera system, with a 50MP primary sensor and a 2MP auxiliary lens. The front camera is an 8MP sensor for selfies and video calling in the punch-hole setup. The handset offers a pretty straightforward camera experience, with limited modes and features. Having said that, the cameras are quick to focus and latch onto the subject, even though it might not be the most favourable for capturing multiple shots, which is the case with most other smartphones in the segment.
Here’s the camera analysis of the OnePlus N6 with the Moto G96, which is known for its photography in the segment.
Daylight
The OnePlus N6 captures images with close to accurate colours, but leaves room for improvements in contrast, dynamic range, and details. The Moto G96 delivers more contrasty images with good exposure to bright and shadowy areas.
Portrait
The Moto G96 has an edge with multiple focal points and superior edge detection. However, the OnePlus N6 outperforms by capturing near-accurate skin tones and colours. The handset also offers a relatively natural-looking bokeh effect.
Selfies
The OnePlus N6 continues to outshine with accurate skin tones and colours, but smooths out facial details and exposure to the background. The Moto G96 might be a better fit for that, even if it oversaturates the colours.
Low light (night mode)
In low light, the Moto G96 outperforms the OnePlus N6 with better detail retention, more balanced exposure, and improved control over light flare. While the OnePlus smartphone delivers colours and lighting that are closer to reality, it falls short in preserving fine details and keeping image noise under control.
That was our analysis of the OnePlus N6 cameras. The handset isn’t clearly defined for photography enthusiasts. It is better suited for casual point-and-shoot photographers, who like things natural instead of artificial processing. The handset performs particularly well in portraits and selfies, offering realistic skin tones and a pleasing bokeh effect. However, the images may appear soft, with visible noise and less balanced exposure. For videos, too, the experience remains pretty average, with 720p recording at 60 fps offering the most balanced results.
The OnePlus N6 plays it safe rather than reinventing the wheel. Its polycarbonate build, IP rating, and military-grade durability inspire confidence, while the overall multimedia experience is serviceable rather than standout. Performance is reliable for everyday use, but the real highlight is the massive 8,000mAh battery. It can comfortably deliver up to two days of usage on a single charge, making it one of the best options in its segment for battery life.
If you prioritise a sharper display, better cameras, or stronger performance, rivals such as the Moto G96 offer a more rounded experience. However, the G96 has already received its final major Android update and will only get security patches until 2028. Other alternatives include the Moto G37 Power (review), which offers similar performance with a 7,000mAh battery, and the iQOO Z11x (review), which packs a superior MediaTek Dimensity 7400 Turbo SoC but with a 7,200mAh battery.
Priced from Rs 19,999 with offers (actual price starts at Rs 22,999), the OnePlus N6 is eligible for Android 18, which is due to release next year. Furthermore, if long battery life is your top priority, it’s an easy recommendation. Paired with a clean OxygenOS experience and dependable day-to-day performance, the N6 is an excellent choice for users who value endurance over outright power.
Editor’s rating: 8.2/10
Reasons to buy
Reasons not to buy