Vivo Y400 4G

The Vivo Y400 4G has a solid design with a waterproof build, featuring an IP68 rating for protection against dust and water up to a depth of 2 meters. The device weighs 198g and has dimensions of 162.3mm in height, 75.3mm in width, and 7.9mm in thickness, resulting in a compact yet sturdy form factor. While it does not have a rugged build, it is resistant to the elements, offering a good balance between durability and portability.

The Vivo Y400 4G features a vibrant 6.67″ OLED/AMOLED display with a resolution of 1080 x 2400 px and a pixel density of 395 ppi for crisp visuals. The display supports a 120Hz refresh rate for smooth scrolling and gaming, while its typical brightness reaches up to 1200 nits for clear visibility even in bright conditions. Additionally, the screen includes an Always-On Display and supports HDR10 for enhanced color and contrast.

The Vivo Y400 4G is powered by the Qualcomm Snapdragon 685 4G chipset, paired with 8GB of RAM and 256GB of internal storage for smooth multitasking and ample space. It features a 6nm semiconductor size for efficient performance, with a total CPU clock speed of up to 2.8 GHz and an integrated Adreno 610 GPU running at 1260 MHz. The device supports 64-bit architecture and DirectX 12, ensuring strong processing power for a range of tasks.

The Vivo Y400 4G is equipped with a dual-lens main camera system featuring a 50MP and 2MP sensor, with a wide aperture of 2.4f and 1.8f for enhanced low-light performance. It supports manual exposure, HDR, and continuous autofocus, and can record videos in 1080p at 30 fps. The 8MP front camera also has a wide aperture of 2.1f, and features like timelapse and manual focus for versatile photography options.

The Vivo Y400 4G runs on Android 15, offering a range of privacy and customization features. It includes location privacy options, clipboard warnings, and camera/microphone access controls, while also providing theme customization and dark mode. Additional features include on-device machine learning, the ability to block app tracking, split screen support, and media picker functionality for seamless media management.

The device is equipped with a powerful 6000 mAh battery, providing extended usage throughout the day. It supports fast charging at 44W for quick power-ups, but it does not feature wireless charging or a removable battery. Additionally, users can easily check their battery status with the built-in battery level indicator, and the device includes a rechargeable battery for long-term convenience.

The device offers stereo speakers for an enhanced audio experience, though it does not support a 3.5 mm audio jack, nor advanced Bluetooth audio technologies like aptX, LDAC, or aptX HD. Additionally, it lacks a built-in radio, offering a streamlined audio setup for those who prefer wireless listening.

This device offers a variety of connectivity options, including Wi-Fi 4 and Wi-Fi 5 support, Bluetooth 5, and NFC. It features a USB Type-C port, but lacks an external memory slot and 5G support. Additionally, it supports dual SIM cards, GPS, and various sensors like the accelerometer, gyroscope, and compass. For security, it includes a fingerprint scanner, though it does not offer facial recognition or satellite-based emergency SOS.

This device features a curved display and is equipped with a video light, enhancing both its visual appeal and functionality. However, it does not include a sapphire glass display or an e-paper display, offering a more conventional screen experience.