Vivo Y400 5G: Vivo launched the new Y400 5G mobile. They announced the device on August 4, 2025. The phone became officially available on August 7, 2025. This launch targets the competitive mid-range 5G market. The Vivo Y400 5G offers impressive specifications. It brings together advanced durability features. It includes a strong processor and a large battery. Vivo set the introductory price at ₹21,998. This price point makes it an attractive option.
Design and Durability
The Y400 5G features a sleek design. Its dimensions measure 162.3 x 75.3 x 7.9 mm. This makes the phone thin and manageable. It weighs 197 grams. Vivo constructed the device with a glass front. It uses a durable plastic back. It also incorporates a plastic frame. Users can insert dual Nano-SIM cards. The phone supports two separate Nano-SIMs simultaneously.
The phone boasts exceptional durability. It carries an official IP68/IP69 rating. This rating provides comprehensive dust protection. It also ensures water resistance. The phone resists high-pressure water jets. Users can immerse the phone up to two meters. This immersion protection lasts for 30 minutes. Vivo engineered the device to be MIL-STD-810H compliant. This compliance suggests robust build quality. However, Vivo warns this rating does not guarantee ruggedness. It does not guarantee use in extreme conditions. This added protection offers peace of mind for daily use.
Brilliant Display Technology
The Y400 5G features a stunning AMOLED display. This panel technology delivers vibrant colors. It produces true, deep black levels. The display offers a smooth 120Hz refresh rate. This high rate makes scrolling fluid. It improves the gaming experience. The large screen measures 6.67 inches. This provides ample viewing space for media. The screen-to-body ratio is high. It achieves an impressive 87.9% coverage.
The resolution is 1080 x 2400 pixels. This configuration creates a very crisp display quality. It uses a standard 20:9 aspect ratio. The screen offers a high pixel density. The density sits at approximately 395 pixels per inch (ppi). The display gets incredibly bright. It reaches 1200 nits in High Brightness Mode (HBM). It achieves a powerful 1800 nits peak brightness. This makes the screen easy to read outside. Sunlight visibility remains excellent.
Performance and Software
The Y400 5G runs on the latest software. It uses Android 15 as its operating system. Vivo layered its custom Funtouch 15 interface over Android. Qualcomm supplied the core chipset. The phone uses the Snapdragon 4 Gen 2 processor. This powerful chip utilizes a modern 4 nm manufacturing process.
The processor features an Octa-core CPU. It uses a sophisticated, modern architecture. Two cores are high-performance Cortex-A78 units. They clock at 2.2 GHz. Six additional cores focus on efficiency and daily tasks. These are Cortex-A55 units. They clock at 1.95 GHz. This combination balances demanding performance needs. It also manages battery efficiency well. An Adreno 613 unit handles all graphics processing.
The phone comes in two robust memory configurations. Users can select 128GB of internal storage. They can also choose a larger 256GB of internal storage. Both storage variants include 8GB of RAM. This ample RAM ensures smooth multitasking performance. The phone uses UFS 3.1 storage technology. UFS 3.1 provides extremely fast data read and write speeds. Vivo did not specify a dedicated external card slot option.
Capture Every Moment
The device features a versatile dual main camera setup. The primary sensor is a high-resolution 50 MP unit. It has an f/1.8 wide aperture lens. It uses Phase Detection Autofocus (PDAF) for quick focus. The sensor size is 1/2.96 inches. A secondary 2 MP depth sensor assists the main camera. This sensor features an f/2.4 aperture. It helps capture better portrait shots. The camera module includes a unique Ring-LED flash. It supports panorama mode for wide scenes. It also supports High Dynamic Range (HDR) features. The main camera records video at 1080p resolution. It captures footage at 30 frames per second.
The selfie camera sits prominently on the front. It is a single, high-resolution 32 MP sensor. It uses an f/2.5 wide aperture lens. This sensor captures clear, detailed selfies. The front camera also records 1080p video. It captures footage at 30 frames per second.
Power and Endurance
The Vivo Y400 5G packs a large battery. It uses a Li-Ion 6000 mAh battery. This high capacity provides multi-day usage for many users. The phone supports incredibly fast charging. It uses powerful 90W wired charging. This technology rapidly replenishes power. This fast charging gets the battery to 50% capacity. This happens in just 20 minutes.
The phone also offers reverse wired charging. This useful feature allows it to charge other small devices. It supports advanced Bypass Charging technology. This feature helps maintain battery health. It keeps the phone cool during intense gaming sessions.
Final Details and Price
The phone includes several modern sensors. It uses an under-display optical fingerprint sensor. This provides fast, secure unlocking. It has an accelerometer and a gyro sensor. A proximity sensor is present for calls. A compass helps with navigation accuracy. The phone incorporates the innovative ‘Circle to Search’ feature. This adds convenient functionality.
Vivo offers the Y400 5G in two distinct colors. Users can choose between Glam White. They can also select the Olive Green option. Specific Absorption Rate (SAR) values measure radiation levels. The head SAR is 0.99 W/kg. The body SAR is 0.80 W/kg. Vivo set the phone’s competitive price at ₹21,998. The Vivo Y400 5G combines performance. It offers powerful durability. It features an outstanding battery life. Vivo created a well-rounded contender for the 5G market.