vivo Y400 - Full Phone Specifications

 vivo Y400 - Full Phone Specifications

The vivo Y400 is a mid-range Android smartphone launched in July 2025, offering a balance of solid everyday performance, a large smooth display, long battery life, and rugged durability at a budget-friendly price. It features a 6.67″ FHD+ 120 Hz AMOLED display with up to 1800 nits peak brightness, runs Android 15 with Funtouch OS 15, and is powered by the Qualcomm Snapdragon 685 chipset paired with 8 GB RAM and up to 256 GB storage (expandable RAM supported). The camera setup includes a 50 MP main + 2 MP depth sensor rear combo and an 8 MP selfie camera, while a 6000 mAh battery with 44 W fast charging keeps you going all day. The device also offers IP68/IP69 dust and water resistance with a rugged build for added peace of mind.

LAUNCH	Announced	2025, August 04
	Status	Available. Released 2025, August 07
FEATURES	Sensors	Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
DISPLAY	Type	AMOLED, 120Hz, 1200 nits (HBM), 1800 nits (peak)
	Size	6.67 inches, 107.4 cm2 (~87.9% screen-to-body ratio)
	Resolution	1080 x 2400 pixels, 20:9 ratio (~395 ppi density)
NETWORK	Technology	GSM / HSPA / LTE / 5G
	2G bands	GSM 850 / 900 / 1800 / 1900
	3G bands	HSDPA 800 / 850 / 900 / 2100
	4G bands	1, 3, 4, 5, 8, 18, 19, 26, 28, 38, 40, 41, 42, 48
	5G bands	1, 3, 5, 8, 28, 40, 77, 78 SA/NSA
	Speed	HSPA, LTE, 5G

 

PLATFORM	OS	Android 15, Funtouch 15
	Chipset	Qualcomm SM4450 Snapdragon 4 Gen 2 (4 nm)
	CPU	Octa-core (2x2.2 GHz Cortex-A78 & 6x1.95 GHz Cortex-A55)
	GPU	Adreno 613
BODY	Dimensions	162.3 x 75.3 x 7.9 mm (6.39 x 2.96 x 0.31 in)
	Weight	197 g (6.95 oz)
	Build	Glass front, plastic back, plastic frame
	SIM	Nano-SIM + Nano-SIM
		IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 2m for 30 min)
		MIL-STD-810H compliant*
		* does not guarantee ruggedness or use in extreme conditions
COMMS	WLAN	Wi-Fi 802.11 a/b/g/n/ac, dual-band
	Bluetooth	5.0, A2DP, LE
	Positioning	GPS, GLONASS, GALILEO, BDS, QZSS
	NFC	No
	Radio	No
	USB	USB Type-C 2.0, OTG
MAIN CAMERA	Dual	50 MP, f/1.8, (wide), 1/2.96", PDAF
		Auxiliary lens
	Features	Ring-LED flash, panorama, HDR
	Video	1080p@30fps
SELFIE CAMERA	Single	32 MP, f/2.5, (wide)
	Video	1080p@30fps

SOUND	Loudspeaker	Yes, with stereo speakers
	3.5mm jack	No
		24-bit/192kHz Hi-Res audio
MEMORY	Card slot	Unspecified
	Internal	128GB 8GB RAM, 256GB 8GB RAM
		UFS 3.1
BATTERY	Type	Li-Ion 6000 mAh
	Charging	90W wired, 50% in 20 min
		Reverse wired
		Bypass Charging
MISC	Colors	Glam White, Olive Green
	SAR	0.99 W/kg (head)  0.80 W/kg (body)

Carrier Compatibility (USA / Global)

USA: The vivo Y400 supports 2G/3G/4G LTE network technologies (no 5G). An unlocked unit can work on GSM-based U.S. carriers such as T-Mobile and AT&T if the phone’s supported LTE bands align with the carriers’ network requirements. VoLTE or advanced network features (like Wi-Fi Calling) depend on carrier certification and regional firmware support — it’s recommended to check exact supported bands with your carrier before purchasing.
Global: With broad GSM/3G/LTE band support typical of 4G smartphones, the vivo Y400 is compatible with carriers across Asia, Europe, Africa, and other regions when unlocked. Verifying the specific LTE bands supported by the variant you plan to use against local carrier bands ensures complete network coverage.

Final Summary

The vivo Y400 is a capable mid-range smartphone featuring a vibrant 6.67″ 120 Hz AMOLED display, reliable Snapdragon 685 performance, a large 6000 mAh battery with 44 W fast charging, and a versatile dual-camera setup. Its rugged build with IP68/IP69 water and dust resistance enhances durability. While it supports 4G LTE only, it works with GSM carriers globally and can operate on U.S. GSM networks when unlocked and bands match carrier requirements.