Vivo Y400 4G review
This phone suits someone who prioritizes battery endurance and durability over performance and video quality—particularly valuable if you work outdoors or travel where replacing a damaged phone is not simple. Skip it if you shoot video regularly, game on high settings, or depend on quick charging to survive a busy day.
This review is based on Vivo’s published specifications and public benchmark data for the Vivo Y400 4G, and the rating is spec-based. GoSolo does not physically test devices; where we estimate real-world behaviour such as battery life or charge time, we say so. How we rate phones.
Overview
The Vivo Y400 4G trades raw performance for endurance: a 6000mAh battery, IP68 durability, and a bright 120Hz AMOLED screen built for all-day use in harsh conditions, not for 4K video or gaming at max settings. For a 200 EUR entry phone in markets still on 4G, it's sensible—the camera shoots decent stills and the screen is where the value sits.
Design & build
At 196g and 7.9mm thick, the Y400 sits comfortably one-handed and fits pockets without bulk. The glass front and plastic back is a familiar formula, neither premium nor cheap-feeling. What sets it apart is the durability: IP68/IP69 rating means 2 metres of freshwater immersion for 30 minutes and resistance to high-pressure jets (think hosing down, not just splashes), plus MIL-STD-810H compliance adds drop and temperature tolerance. For that price, this is rare. The phone survives the fumble into a sink or river better than unrated rivals, which matters if you work outdoors or travel to places where replacement isn't instant.
Display
The 6.67-inch AMOLED with 120Hz refresh and 1200 nits (high brightness mode) is genuinely good for the money. Text remains sharp at 395ppi density, and the 87.9% screen-to-body ratio means minimal bezel. Scrolling is smooth and the brightness handles direct sunlight without washing out—flagships peak higher at 1800 nits, but for everyday viewing in bright spaces, this screen removes a common mid-range pain point. The 1080x2400 resolution is standard for this size and does not feel cramped.
Performance
The Snapdragon 685 is a mid-range workhorse that handles messaging, email, browsing, and music streaming without hesitation. Apps launch briskly and multitasking doesn't stutter. Gaming is where it shows its limits: titles like Genshin Impact or PUBG Mobile run on medium settings with occasional frame drops, and demanding AAA games will stall. By 2025 standards, the 685 is a generation behind—newer chips in the 7-series handle high settings without compromise—but it is not sluggish for day-to-day use. If you do not game hard, you will not feel it hold you back.
Software
Funtouch 15 on Android 15 adds Vivo's own interface layer, which is lighter and less cluttered than some skins but includes a few pre-installed apps you may not need. Circle to Search (Google's visual search tool) is present and useful. Updates are tied to Vivo's schedule, which is typically adequate but not as prompt as stock Android or flagship rollouts. No surprises here; the experience is practical rather than polished.
Camera
The 50MP main sensor with f/1.8 aperture and PDAF captures daylight scenes with good detail and low-light shots that avoid the noise bomb typical of budget phones. Colors are natural and the ring-LED flash helps in darkness. The problem is video: 1080p@30fps is now falling behind. Rivals at this price—and even cheaper—now shoot 4K 30fps or 60fps as default. If you record even casual clips for social media, you will feel the ceiling. The 8MP selfie camera is adequate for video calls and casual snaps but nothing more.
Battery & charging
The 6000mAh capacity is the genuine star. On moderate use (messaging, Wi-Fi, moderate video), expect a full day without anxiety and often a second day of lighter activity. This is a phone that does not demand a nightly hunt for a charger. Charging, however, is a slowpoint: 44W takes about an hour from flat, which is adequate for morning top-ups but frustrating compared to rivals now pushing 100W. If you rely on quick 15-minute bursts to recover battery mid-day, you will find yourself short.
Value & verdict
At 200 EUR, the Y400 occupies a specific niche: a phone that prioritizes endurance and durability over raw power or cutting-edge video. The bright AMOLED screen and MIL-STD-810H rating are genuinely rare at this price, and the 6000mAh battery alone sets it apart from peers. The 44W charging and 1080p video are real limitations, and the Snapdragon 685 will feel dated if you game frequently. It is not the fastest, sharpest, or most capable phone—but for someone in a 4G market who values screen quality, battery life, and the confidence that the phone survives a drop into water, it is honest value. If you need 4K video or weekend gaming sessions, look elsewhere. If you need a reliable daily driver that keeps running, this delivers.
Verdict
This phone suits someone who prioritizes battery endurance and durability over performance and video quality—particularly valuable if you work outdoors or travel where replacing a damaged phone is not simple. Skip it if you shoot video regularly, game on high settings, or depend on quick charging to survive a busy day.
- Bright, smooth AMOLED screen (1200 nits, 120Hz) with 87.9% screen-to-body ratio—exceptional for the price and visible in daylight without strain
- 6000mAh battery easily clears a full day of moderate use, extending to two days on light loads; a real strength in a market where power banks aren't always accessible
- IP68/IP69 and MIL-STD-810H durability for under 200 EUR: survives 2m water immersion and high-pressure jets, plus drop and temperature compliance that rivals rarely offer at this price
- Dual stereo speakers and Bluetooth 5.0 make media and calls genuinely usable without external gear
- 44W charging takes about an hour from flat, which lags far behind rivals now hitting 100W—a real frustration if you need quick top-ups on the go
- Video locked to 1080p@30fps with no 4K or frame-rate options; modern mid-range phones at this price now offer 4K as baseline
- Snapdragon 685 is a generation behind current mid-range standard; it handles everyday apps and moderate gaming but stumbles on demanding titles, with more noticeable lag than newer chips
Vivo Y400 4G Key Specifications
The essentials at a glance. See the full spec sheet.
| Released | 2025, July 28 |
|---|---|
| Display | 6.67 inches, 107.4 cm2 (~87.9% screen-to-body ratio), AMOLED, 120Hz, 1200 nits (HBM), 1800 nits (peak) |
| Resolution | 1080 x 2400 pixels, 20:9 ratio (~395 ppi density) |
| Chipset | Qualcomm SM6225 Snapdragon 685 (6 nm) |
| RAM & storage | 128GB 8GB RAM, 256GB 8GB RAM |
| Main camera | 50 MP, f/1.8, (wide), 1/2.96", PDAF Auxiliary lens |
| Selfie camera | 8 MP, f/2.1, (wide) |
| Battery | 6000 mAh |
| Charging | 44W wiredReverse wired |
| Software | Android 15, Funtouch 15 |
| Dimensions | 162.3 x 75.3 x 7.9 mm (6.39 x 2.96 x 0.31 in) |
| Weight | 196 g or 198 g (6.91 oz) |
| Build | Glass front, plastic back, plastic frame |
| Durability | 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 |
| Network | GSM / HSPA / LTE |
| NFC | Yes (market/region dependent) |
| USB | USB Type-C 2.0, OTG |
Vivo Y400 4G FAQ
Common questions, answered from the spec sheet.
Does the Y400 4G support 5G?
No. The Y400 4G tops out at GSM / HSPA / LTE, without 5G.
What chipset does the Y400 4G use?
The Y400 4G runs on the Qualcomm SM6225 Snapdragon 685 (6 nm).
What display does the Y400 4G have?
A 6.67 inches, 107.4 cm2 (~87.9% screen-to-body ratio) AMOLED, 120Hz, 1200 nits (HBM), 1800 nits (peak), 1080 x 2400 pixels, 20:9 ratio (~395 ppi density).
How big is the Y400 4G battery?
The Y400 4G has a 6000 mAh battery. Charging is rated at 44W wiredReverse wired.
Does the Y400 4G have NFC?
Yes, the Y400 4G has NFC.
Is the Y400 4G water resistant?
The Y400 4G carries a 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 rating.
Does the Y400 4G support a microSD card?
No, the Y400 4G does not support expandable storage.
Does the Y400 4G have a headphone jack?
No, the Y400 4G does not have a 3.5mm headphone jack.
Alternatives to consider
If the Y400 4G isn’t quite right, these are the closest calls.
Y39 5G
Y31 5G
Y400 5G
Y29 4G
A6 4G
