Vivo Y400 presents a compelling option in the mid-range smartphone segment by integrating several flagship-level features. Its striking design in Purple Dusk and Tropical Green colors combines aesthetics and practicality with a glass-like polycarbonate finish that resists fingerprints and feels comfortable to hold.
The rear camera module features a distinctive Metallic Ring design, housing dual main cameras and an LED flash arranged neatly. Below the camera cluster, a Dynamic Light element serves multiple functions such as notifications, camera timers, and incoming call indicators, offering a unique interactive experience unseen in many smartphones at this price range.
Display Excellence with AMOLED and High Brightness
The device sports a flat 6.7-inch AMOLED display with Full HD Plus resolution that delivers sharp and vibrant visuals. A 120Hz refresh rate ensures smooth scrolling and gaming performance, enhancing overall user experience. The screen’s peak brightness of 1800 nits guarantees clear visibility even under direct sunlight, making outdoor usage practical and enjoyable.
Strong Performance Backed by Snapdragon 685
Equipped with the Qualcomm Snapdragon 685 chipset, the Vivo Y400 provides reliable performance for everyday tasks and casual gaming. It includes 8GB of RAM expandable up to 16GB through virtual RAM technology, enabling efficient multitasking. Internal storage of 256GB UFS 2.0 with read/write speeds reaching 341MBps caters well to users who require ample and fast storage.
A dual cooling system with a large 40,000mm² heat dissipation area maintains device stability. Stress tests reveal a 98.5% performance stability rate without throttling, ensuring consistent gaming on titles like Mobile Legends and Lineage 2M with medium graphic settings.
Outstanding Water and Dust Resistance
One of the flagship-level highlights is the dual IP68 and IP69 certification. Unlike typical smartphones rated merely to endure 1.5 meters underwater, the Vivo Y400 boasts resistance up to 6 meters depth. Its water-resistant structure incorporates a one-piece frame with triple-layer waterproofing for added durability.
Additional features improve water safety post-submersion. The water ejection system expels water from the speaker ports automatically. Moisture detection in the charging port prevents damage by disabling charging when water is detected. The USB Type-C port has robust protective coatings and adhesive layers to prevent water ingress effectively.
Long-Lasting Battery with Advanced Charging Technology
Powering the device is a 6000mAh battery leveraging Blue Vault silicon-carbon technology, which offers higher energy density and durability. Tests show up to 18 hours of continuous use, classifying it as exceptionally long-lasting for daily demands.
Supporting 44W fast charging, the battery can reach full capacity from 5% in just 1 hour and 24 minutes. The Vivo Y400 also includes a bypass charging feature typically found in gaming phones. This mechanism delivers power directly to the system instead of the battery during charging, minimizing heat generation and extending battery lifespan.
Advanced Camera Capabilities Including Underwater Photography
The main camera features a 50MP Sony IMX852 sensor capable of capturing sharp photos with accurate color reproduction. A secondary depth sensor enhances portrait shots with natural bokeh effects and balanced dynamic range between highlights and shadows.
Uniquely, the smartphone supports underwater photography up to 6 meters deep, letting users shoot photos and videos submerged in water without risking device damage. The front camera, at 8MP, provides consistent skin tone rendering, although it offers standard resolution suited for typical selfie needs.
Key Vivo Y400 Specifications at a Glance:
- Display: 6.7-inch AMOLED, FHD+ resolution, 120Hz refresh rate, 1800 nits brightness
- Processor: Qualcomm Snapdragon 685 chipset
- RAM: 8GB (expandable to 16GB virtual RAM)
- Storage: 256GB UFS 2.0
- Battery: 6000mAh with 44W fast charging and bypass charging
- Water Resistance: IP68 & IP69, submersible up to 6 meters
- Rear Camera: 50MP Sony IMX852 + depth sensor
- Front Camera: 8MP
- Cooling: Dual cooling system with 40,000mm² heat dissipation area
Overall, Vivo Y400 stands out as a versatile mid-range smartphone offering flagship-grade durability, premium display quality, and sufficient performance for most users. Its exceptional water resistance feature combined with advanced battery and camera technologies makes it a strong contender in the early 2026 smartphone market.
Consumers looking for a balanced yet feature-rich device that includes unique functionalities like underwater photography and enhanced safety mechanisms will find the Vivo Y400 to be a highly attractive option priced competitively around $300 USD.
