If you're looking for comprehensive information about the Vivo Y400, this article will address frequently asked questions about its features, specifications, and advantages. Many users are curious about whether this smartphone has a 0.5x ultra-wide camera, NFC, water resistance, and bypass charging technology. All of the following reviews are summarized based on official data and information from ajakteman.com for easier understanding.

Does Vivo Y400 Support NFC?
The answer is yes . The Vivo Y400 is equipped with NFC , making it easier for users to make digital payments, transfer data, or simply check their e-money balance. This feature is a plus, especially for urban users accustomed to contactless payments.
Is Vivo Y400 Waterproof?
Vivo Y400 comes with IP68 and IP69 certification , which means:
Completely dustproof
Water resistant up to 6 meters for 30 minutes
Withstands high pressure water spray
With this certification, users don't need to worry about their phone being submerged in water or splashed. It's perfect for those who frequently spend time outdoors.
Is the Vivo Y400 Durable?
In terms of material, the Y400's back is made of fairly sturdy polycarbonate . Coupled with IP69 certification, this phone is more resistant to extreme conditions. However, while it's quite sturdy, it's not recommended to intentionally drop the device as there's still a risk of damage to the large AMOLED display.
Does Vivo Y400 Have OIS Feature?
Unfortunately, the Vivo Y400's camera doesn't feature OIS (Optical Image Stabilization) . The stabilization feature relies solely on PDAF, so steady hands are still required for photos and videos. Despite this, the main camera's quality is still reliable for everyday use.
Does Vivo Y400 Have 0.5x Camera?
One of the most popular questions about the Vivo Y400 is the availability of a 0.5x ultra-wide camera. Unfortunately, this phone doesn't have one . The camera configuration consists of:
50 MP wide f/1.8
2 MP depth f/2.4
With this setup, the Vivo Y400 focuses more on clear photos in standard mode and the bokeh effect from the depth camera. So, for those seeking a wider shooting angle, this device might feel lacking.
Does Vivo Y400 Support Bypass Charging?
Yes, the Vivo Y400 supports bypass charging . This feature allows power to flow directly to the device without fully charging the battery, keeping the phone's temperature down, especially during prolonged gaming sessions. Coupled with 44W fast charging, the phone can reach 50% charge in just about 40 minutes.
Vivo Y400 Full Specifications
Design and Body
Durability: IP68 & IP69
Other features: dustproof, waterproof, high pressure spray resistant, Dynamic Light Notification
Screen
Type: 6.67 inch AMOLED
Refresh Rate: 120 Hz
Resolution: 1080 x 2400 pixels
Peak brightness: 1800 nits
Screen-to-body ratio: 91.9%
Performance
Chipset: Qualcomm Snapdragon 685
CPU: Octa-core (4x2.8 GHz Cortex-A73 & 4x1.9 GHz Cortex-A53)
GPU: Adreno 610
RAM: 8 GB LPDDR4X
Internal memory: 128 GB / 256 GB UFS 2.2
External: No microSD slot
Camera
Rear: 50 MP (wide) + 2 MP (depth)
Front: 8 MP (wide)
Video: 1080p@30fps
Features: PDAF, Ring-LED flash, HDR, panorama
Connectivity
Wi-Fi: Dual-band
Bluetooth: 5.0
NFC: Yes
USB: Type-C 2.0, USB OTG
GPS: Complete with BeiDou, GLONASS, Galileo, QZSS
Battery
Type: Li-Ion 6000 mAh
Fast Charging: 44W
Bypass Charging: Yes
Wireless Charging: No
Additional Features
OS: Android 15 with Funtouch OS 15
OS updates: 2 times, 3 years of security patches
Sensors: Fingerprint in-display, gyroscope, accelerometer, compass, proximity
Audio: Stereo speakers, no 3.5mm jack
Color: Green and Purple
In conclusion...
The Vivo Y400 is a feature-rich mid-range phone. With IP68/IP69 certification, a large 6000 mAh battery, a 120Hz AMOLED display, and NFC and bypass charging support, this smartphone is well worth considering. However, it does have some drawbacks, such as the lack of a 0.5x ultra-wide camera, OIS, and wireless charging.
If you're looking for a phone that's waterproof, has excellent battery life, and supports modern activities like digital payments, the Vivo Y400 could be the right choice. With a price tag that's likely more affordable than flagship phones, this phone offers a balance between durability, performance, and essential features.