Vivo Y31 review
The Y31 suits workers and outdoor enthusiasts in price-sensitive markets who prioritise ruggedness and battery life over performance or screen sharpness. Anyone relying on gaming, video creation, or fluid multitasking should look at higher-tier budget options, even if they cost a bit more.
This review is written with AI assistance from Vivo’s published specifications and public benchmark data for the Vivo Y31, 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 Y31 is a 5G budget phone built for durability and daylight use rather than raw power. It trades performance headroom for IP68/IP69 ruggedness, a bright 120Hz screen, and aggressive pricing, making it sensible for emerging markets if you don't game or edit video.
Design & build
At 209g and 8.4mm thick, the Y31 feels solid in hand without being unwieldy. The IP68/IP69 rating and MIL-STD-810H compliance are the real story here. Dust tight, waterproof to 1.5 metres for 30 minutes, and able to shrug off high-pressure water jets, this phone was built for workers and outdoor users who routinely expose phones to harsh conditions. Guardian Glass adds ion-strengthened scratch resistance on top. For a phone at 150 EUR, this durability pedigree stands out. Most rivals at this price skip military testing and settle for basic splash resistance.
Display
The 6.68-inch IPS LCD hits 1000 nits (HBM), which matters if you spend time in sunlight without squinting. The 120Hz refresh keeps scrolling and menu navigation smooth, a genuine comfort uplift over 60Hz. The trade-off is resolution: 720p at 264 ppi is adequate at normal viewing distance but reveals pixelation in small text and icons if you hold it close or have sharp eyesight. Rivals at this price sometimes push 1080p, and the Y31 would feel sharper with the same resolution, but the brightness and refresh rate compensate for daily use.
Performance
The Snapdragon 4 Gen 2 is entry-level by design. It handles email, messaging, web browsing, light social media, and casual photography without hesitation. Multitasking is fluid as long as you do not have dozens of apps open at once. Where it falters: demanding games, video rendering, large file transfers, and anything that saturates the CPU for sustained periods will stutter or slow. This is a phone for everyday communication and light media consumption, not gaming, content creation, or power users. The Adreno 613 GPU is modest, and the 4GB base RAM only makes that worse. If you regularly play 3D games or edit video, look elsewhere.
Software
Android 15 with Funtouch 15 overlay is current and responsive. Vivo's interface is clean enough and does not clutter the experience with unwanted bloat, though it adds its own take on notifications and settings. Security patching and OS update timeline depend on Vivo's regional commitments, which have been inconsistent historically. For a budget phone in emerging markets, you are unlikely to see more than two or three Android updates, so plan accordingly.
Camera
The 50MP f/1.8 main sensor with phase-detect autofocus captures daylight stills with good detail and acceptable low-light performance for a budget phone. Colours are natural, and PDAF locks focus quickly. The ring-LED flash helps in darkness but does not replace real light. Video tops out at 1080p@30fps, which is baseline and fine for clips, but no 4K and no higher frame rates. The 8MP selfie camera is workable for video calls and casual selfies, not serious vlogging. You get what you pay for here: solid everyday photography, nothing more.
Battery & charging
The 6500 mAh battery survives a full day on moderate use, roughly 8 to 10 hours of screen time. Heavy video watching or gaming cuts that to 6 to 7 hours. The 44W charger reaches 50% in 38 minutes and a full charge in roughly 50 to 60 minutes, which is convenient for lunch breaks or overnight charging. However, 65W and 100W chargers are now common at this price tier, so the Y31 lags in raw speed. Reverse wired charging is listed in specs but rarely useful in daily life.
Value & verdict
At 150 EUR, the Y31 targets budget buyers in emerging markets where durability and 5G future-proofing matter more than gaming or performance headroom. The combination of IP68/IP69 ruggedness, a bright and smooth 120Hz display, and a reasonable all-day battery is rare at this price. Drawbacks are real: 720p resolution looks soft, the Snapdragon 4 Gen 2 is weak for demanding apps, and 44W charging trails rivals. The microSD slot and dual-SIM flexibility add value for regional users. This is an honest budget phone, not a flagship killer or a miracle; it does what it promises without pretence.
Verdict
The Y31 suits workers and outdoor enthusiasts in price-sensitive markets who prioritise ruggedness and battery life over performance or screen sharpness. Anyone relying on gaming, video creation, or fluid multitasking should look at higher-tier budget options, even if they cost a bit more.
- IP68/IP69 rating plus MIL-STD-810H compliance mean it survives dust, 1.5m submersion, and high-pressure jets without breaking the bank
- 6500 mAh battery lasts a full day on moderate use, and 44W charging refills to 50% in 38 minutes
- 1000 nits peak brightness and 120Hz refresh make the 720p IPS LCD usable outdoors and smooth when scrolling
- 5G connectivity built in from the start, dual-SIM flexibility, and microSD expansion up to 512GB on board
- 720p resolution at 264 ppi shows visible pixelation in close text and small icons; sharp only at arm's length
- Snapdragon 4 Gen 2 and Adreno 613 stumble on demanding games, heavy multitasking, or sustained loads
- 44W charging is adequate but slower than the 65W+ standard rivals now offer at this price
Vivo Y31 Key Specifications
The essentials at a glance. See the full spec sheet.
| Released | 2025, September 15 |
|---|---|
| Display | 6.68 inches, 107.4 cm2 (~84.0% screen-to-body ratio), IPS LCD, 120Hz, 1000 nits (HBM) |
| Resolution | 720 x 1608 pixels, 20:9 ratio (~264 ppi density) |
| Chipset | Qualcomm SM4450 Snapdragon 4 Gen 2 (4 nm) |
| RAM & storage | 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 6GB RAM, 256GB 8GB RAM, 512GB 6GB RAM |
| Main camera | 50 MP, f/1.8, (wide), PDAF Auxiliary lens |
| Selfie camera | 8 MP, f/2.0, (wide) |
| Battery | 6500 mAh |
| Charging | 44W wired, 50% in 38 minReverse wired |
| Software | Android 15, Funtouch 15 |
| Dimensions | 166.1 x 77 x 8.4 mm (6.54 x 3.03 x 0.33 in) |
| Weight | 209 g (7.37 oz) |
| Durability | IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min) MIL-STD-810H compliant* * does not guarantee ruggedness or use in extreme conditions |
| Network | GSM / HSPA / LTE / 5G |
| NFC | No |
| USB | USB Type-C 2.0, OTG |
Vivo Y31 FAQ
Common questions, answered from the spec sheet.
Does the Y31 support 5G?
Yes. The Y31 supports 5G networks.
What chipset does the Y31 use?
The Y31 runs on the Qualcomm SM4450 Snapdragon 4 Gen 2 (4 nm).
What display does the Y31 have?
A 6.68 inches, 107.4 cm2 (~84.0% screen-to-body ratio) IPS LCD, 120Hz, 1000 nits (HBM), 720 x 1608 pixels, 20:9 ratio (~264 ppi density).
How big is the Y31 battery?
The Y31 has a 6500 mAh battery. Charging is rated at 44W wired, 50% in 38 minReverse wired.
Does the Y31 have NFC?
No, the Y31 does not list NFC support.
Is the Y31 water resistant?
The Y31 carries a IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min) MIL-STD-810H compliant* * does not guarantee ruggedness or use in extreme conditions rating.
Does the Y31 support a microSD card?
Yes, the Y31 supports expandable storage (microSDXC (uses shared SIM slot)).
Does the Y31 have a headphone jack?
No, the Y31 does not have a 3.5mm headphone jack.
Alternatives to consider
If the Y31 isn’t quite right, these are the closest calls.
Y39
Y39 5G
Y31 5G
Y400 5G
Galaxy M17e
