Vivo has quietly expanded its smartphone portfolio with the introduction of the Vivo Y31d, a new mid-range handset that places a strong emphasis on battery life, durability, and display smoothness. The device was recently launched in select international markets, including Vietnam and Cambodia, without a formal global announcement. Despite the low-key debut, the Vivo Y31d brings a noteworthy combination of features, including a massive 7,200mAh battery, a 120Hz display, and OriginOS 6 based on Android 16.
The Vivo Y31d is powered by Qualcomm’s Snapdragon 6s 4G Gen 2 chipset, which confirms that the smartphone is limited to 4G network connectivity. While this may disappoint users looking for 5G support, Vivo appears to be targeting consumers who prioritize endurance, reliability, and value over next-generation network speeds. The device also boasts an impressive IP68, IP69, and IP69+ rating, making it one of the more rugged smartphones in its category.
Availability and Color Options
As of now, Vivo has not officially disclosed the pricing details of the Vivo Y31d. The phone has been listed on Vivo’s official websites in Vietnam and Cambodia, suggesting that it is already available for purchase in these regions. Whether the handset will make its way to additional markets remains unclear at this time.
The Vivo Y31d has been launched in two color options:
- Glow White
- Starlight Grey (translated from Vietnamese)
Both colorways appear to maintain a subtle and clean aesthetic, appealing to users who prefer understated smartphone designs.
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Software: OriginOS 6 Based on Android 16
One of the standout aspects of the Vivo Y31d is its software. The phone runs OriginOS 6, Vivo’s custom Android skin, which is based on the latest Android 16. This makes the Y31d one of the more affordable smartphones to ship with Android 16 out of the box.
OriginOS 6 brings a refreshed user interface, smoother animations, improved privacy controls, and better system optimization. Vivo has also focused on improving multitasking performance and background app management, which should help users take full advantage of the device’s large battery and high refresh rate display.
The smartphone supports dual SIM functionality (nano + nano), making it suitable for users who manage personal and work numbers on a single device.
Display: Large Screen with 120Hz Refresh Rate
The Vivo Y31d features a 6.75-inch LCD display with an HD+ resolution of 720 x 1,570 pixels. While the resolution may not be Full HD, Vivo compensates for this with a 120Hz refresh rate, ensuring smooth scrolling, fluid animations, and a responsive touch experience.
Additional display specifications include:
- Pixel density: 256 PPI
- Peak brightness: Up to 1,250 nits
The high brightness level should make the screen easily readable even under direct sunlight, which is particularly useful for outdoor usage. The display size and refresh rate make the Vivo Y31d well-suited for media consumption, casual gaming, and everyday multitasking.
Performance: Snapdragon 6s 4G Gen 2
Under the hood, the Vivo Y31d is powered by the Snapdragon 6s 4G Gen 2 chipset, an octa-core processor built on a 6nm fabrication process. While it does not support 5G connectivity, the chipset is designed to offer reliable performance and improved power efficiency for everyday tasks.
The smartphone is paired with:
- 6GB LPDDR4X RAM
- Up to 256GB UFS 2.2 internal storage
The use of UFS 2.2 storage ensures faster app launches, smoother file transfers, and improved overall system responsiveness compared to older eMMC storage solutions. This hardware combination makes the Vivo Y31d capable of handling daily activities such as social media usage, video streaming, web browsing, and light gaming with ease.
Camera Setup: Dual Rear Cameras and Selfie Shooter
In the camera department, the Vivo Y31d comes equipped with a dual rear camera system. The setup includes:
- 50-megapixel primary camera
- 2-megapixel secondary sensor
The primary sensor is expected to deliver decent image quality in good lighting conditions, capturing detailed photos with natural colors. The secondary sensor is likely used for depth sensing, assisting with portrait shots and background blur effects.
On the front, the smartphone features an 8-megapixel selfie camera, which can be used for selfies, video calls, and online meetings. While not flagship-grade, the front camera should be sufficient for everyday use and social media sharing.
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Connectivity and Sensors
Despite being a 4G-only device, the Vivo Y31d offers a comprehensive set of connectivity options, including:
- Bluetooth 5.1
- Dual-band Wi-Fi
- USB Type-C port
- USB OTG support
- USB 2.0
- GPS, BeiDou, GLONASS, Galileo, and QZSS navigation systems
The phone also includes an infrared sensor, which can be used to control compatible home appliances, adding extra utility.
In terms of sensors, the Vivo Y31d is well-equipped with:
- Gyroscope
- E-compass
- Proximity sensor
- Accelerometer
- Ambient light sensor
For security, the device features a side-mounted fingerprint sensor, allowing for quick and convenient unlocking.
Build Quality and Durability
The Vivo Y31d measures 166.64 × 78.43 × 8.39mm and weighs 219 grams. While it is slightly heavier than average smartphones, this is expected given the large battery capacity.
The device is built using composite plastic, which helps keep the weight manageable while maintaining durability. One of the biggest highlights of the Vivo Y31d is its IP68 + IP69 + IP69+ dust and water resistance rating. This level of protection ensures that the phone can withstand dust exposure, water immersion, and high-pressure water jets, making it ideal for users who need a rugged and reliable smartphone.
Battery: Massive 7,200mAh Capacity with Fast Charging
Battery life is arguably the strongest selling point of the Vivo Y31d. The smartphone is equipped with a 7,200mAh lithium-ion battery, which is significantly larger than what is typically found in mid-range devices.
This massive battery should easily deliver:
- Multiple days of moderate usage
- Extended screen-on time
- Long hours of video playback and browsing
To complement the large battery, Vivo has included 44W wired fast charging support, allowing users to recharge the phone quickly despite its high capacity.
Final Thoughts
The Vivo Y31d positions itself as a battery-focused, durable mid-range smartphone designed for users who value longevity, ruggedness, and smooth display performance. While the lack of 5G connectivity and Full HD resolution may be drawbacks for some, the device compensates with a huge battery, Android 16-based software, and strong ingress protection ratings.
With its quiet launch in Vietnam and Cambodia, the Vivo Y31d may soon expand to other markets. Once pricing details are revealed, it will be easier to determine how competitive the device truly is within its segment.
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