vivo Y31: Full Specifications

vivo Y31: Full Specifications

The vivo Y31 is positioned as an affordable 5G Android phone with a practical focus: long battery life, durable construction, and everyday performance rather than premium extras. Its standout mix includes a 6500 mAh battery, 44W wired charging, a 120Hz IPS LCD, stereo speakers, and IP68/IP69 resistance.

At about 150 EUR, the phone is aimed at buyers who want modern network support and a large screen without moving into mid-range pricing. This article looks beyond the raw specification sheet to explain where the vivo Y31 offers value, where it keeps costs down, and who should consider it.

Full Specifications

Network

Technology: GSM / HSPA / LTE / 5G
2G bands: GSM 850 / 900 / 1800 / 1900
3G bands: HSDPA 850 / 900 / 2100
4G bands: 1, 3, 5, 8, 28, 38, 40, 41
5G bands: 1, 3, 5, 8, 28, 40, 77, 78 SA/NSA
Speed: HSPA, LTE, 5G

Launch

Announced: 2025, September 15
Status: Available. Released 2025, September 15

Body

Dimensions: 166.1 x 77 x 8.4 mm (6.54 x 3.03 x 0.33 in)
Weight: 209 g (7.37 oz)
SIM: Nano-SIM + Nano-SIM
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

Display

Type: IPS LCD, 120Hz, 1000 nits (HBM)
Size: 6.68 inches, 107.4 cm2 (~84.0% screen-to-body ratio)
Resolution: 720 x 1608 pixels, 20:9 ratio (~264 ppi density)
Protection: Guardian Glass (ion-strengthened)

Platform

OS: Android 15, Funtouch 15
Chipset: Qualcomm SM4450 Snapdragon 4 Gen 2 (4 nm)
CPU: Octa-core (2×2.2 GHz Cortex-A78 & 6×1.95 GHz Cortex-A55)
GPU: Adreno 613

Memory

Card slot: microSDXC (uses shared SIM slot)
Internal: 128GB 4GB RAM, 128GB 6GB RAM
eMMC 5.1

Main Camera

Single: 50 MP, f/1.8, (wide), PDAF
Auxiliary lens
Features: Ring-LED flash, panorama
Video: 1080p@30fps

Selfie camera

Single: 8 MP, f/2.0, (wide)
Video: 1080p@30fps

Sound

Loudspeaker: Yes, with stereo speakers
3.5mm jack: No
24-bit/192kHz Hi-Res audio

Comms

WLAN: Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth: 4.2, A2DP, LE
Positioning: GPS, GLONASS, GALILEO, BDS, QZSS
NFC: No
Radio: No
USB: USB Type-C 2.0, OTG

Features

Sensors: Fingerprint (side-mounted), accelerometer, proximity, compass

Battery

Type: Li-Ion 6500 mAh
Charging: 44W wired, 50% in 38 min
Reverse wired

Misc

Colors: Rose Red, Diamond Green
SAR: 1.13 W/kg (head)     0.99 W/kg (body)
Price: About 150 EUR

Price and Availability

The vivo Y31 offers a compelling combination of features and performance. While the base price is around €150, the actual cost may vary depending on your location and retailer. Below, you’ll find the approximate price of the vivo Y31 converted into various currencies. Please note that these are estimates based on recent exchange rates as of August 30, 2026 and may not reflect the exact price you’ll find at a retailer.

  • United States: $174
  • Japan: ¥27,832
  • United Kingdom: £128
  • Australia: A$243
  • Canada: C$242
  • Taiwan: NT$5,513
  • Denmark: kr1.121
  • Saudi Arabia: ﷼653
  • South Korea: ₩240,199
  • Germany: €150
  • Brazil: R$901
  • Vietnam: ₫4.506.779
  • Kenya: KSh 22,612
  • India: ₹16,645
  • Indonesia: Rp 3.079.559
  • Nigeria: ₦237,547
  • Pakistan: ₨48,333
  • Philippines: ₱10,847
  • Bangladesh: ৳২১,৪৫২

Value Positioning

The vivo Y31 is most interesting as a budget 5G phone built around endurance and resilience. Many low-cost phones focus only on a large battery or only on a high-refresh display, but this model combines both with 5G connectivity and a recent Android 15 software base. That gives it a broader everyday appeal than a basic 4G-only handset.

The expected price level also changes how the specifications should be judged. A 720p-class display, eMMC 5.1 storage, Bluetooth 4.2, and no NFC would be limitations on a more expensive phone. In this price bracket, however, the trade-off is easier to understand because vivo is prioritizing battery size, water resistance, stereo sound, and 5G access.

Design and Durability

The body measures 166.1 x 77 x 8.4 mm and weighs 209 g, so this is not a compact or especially light device. The weight is expected when a phone carries a 6500 mAh battery, and buyers should treat the Y31 as a large everyday handset rather than a slim fashion-focused model.

The durability rating is a major part of the appeal. IP68/IP69 resistance means the phone is listed as dust tight, resistant to immersion up to 1.5 meters for 30 minutes, and protected against high-pressure water jets. The MIL-STD-810H compliance note should be read carefully: it does not make the device a guaranteed rugged phone for extreme use, but it does suggest a stronger focus on practical protection than many entry-level models offer.

Display Experience

The 6.68-inch IPS LCD gives the vivo Y31 a spacious canvas for messaging, browsing, video streaming, navigation, and casual gaming. A 120Hz refresh rate is welcome at this level because it can make scrolling and interface movement feel smoother than standard 60Hz panels.

The resolution is 720 x 1608 pixels, which works out to about 264 ppi. That is acceptable for everyday use, but buyers who read small text for long sessions or compare phones side by side may notice that it is not as crisp as a Full HD panel. The 1000-nit high-brightness mode is useful for outdoor visibility, while Guardian Glass adds an extra layer of screen protection.

Performance and Storage

The Snapdragon 4 Gen 2 platform gives the vivo Y31 a modern efficiency-focused base. Its octa-core CPU combines two Cortex-A78 performance cores with six Cortex-A55 efficiency cores, which is a sensible layout for daily apps, messaging, social media, maps, and streaming.

This is not a phone designed for heavy gaming or demanding creative work. The Adreno 613 GPU should handle casual titles and lighter games, but buyers who want sustained high graphics settings should look higher up the market. The storage system is also budget-oriented: eMMC 5.1 is slower than UFS storage, so app installs, large file transfers, and heavy multitasking may feel less immediate.

The phone comes in 128GB storage configurations with either 4GB or 6GB RAM. The 6GB version is the more sensible choice if the price difference is small, especially for users who keep many apps open. microSDXC support is included, but it uses the shared SIM slot, so users must choose between expanded storage and a second SIM in some setups.

Camera Setup

The rear camera system is simple, led by a 50 MP wide camera with PDAF and supported by an auxiliary lens. This is a straightforward setup rather than a multi-camera package built around ultrawide or telephoto flexibility.

For the target buyer, that simplicity is not necessarily a problem. A single useful main camera is often preferable to several weak secondary cameras. The Y31 should be best suited to daylight photos, document captures, casual portraits, and social media shots. The Ring-LED flash and panorama mode add basic versatility, while video recording is capped at 1080p at 30fps.

The 8 MP front camera also records 1080p video at 30fps. It should be enough for video calls and casual selfies, but it is not the reason to buy this phone. Buyers who put camera quality first should compare it carefully against camera-focused alternatives before deciding.

Battery and Charging

Battery life is the vivo Y31’s strongest headline feature. A 6500 mAh cell is larger than the typical 5000 mAh battery found in many budget and mid-range phones, and it should be especially valuable for users who spend long hours away from a charger.

The 44W wired charging support helps balance the larger battery size. The listed 50 percent in 38 minutes figure is useful, because large batteries can otherwise become inconvenient when charging speeds are slow. Reverse wired charging is also included, allowing the phone to top up small accessories or another device in a pinch.

Software and Everyday Features

The phone ships with Android 15 and Funtouch 15, giving it a current software foundation for a 2025 release. Funtouch OS typically brings vivo’s own interface style, customization options, and battery management features on top of standard Android.

The side-mounted fingerprint sensor is a practical choice for a phone with an LCD panel, and it keeps unlocking fast without requiring an in-display scanner. The sensor list covers the basics with an accelerometer, proximity sensor, and compass. Stereo speakers and 24-bit/192kHz Hi-Res audio support are positives for media use, although the lack of a 3.5mm headphone jack means wired audio users will need USB-C or wireless accessories.

Connectivity

Connectivity is one of the Y31’s stronger areas for the price. It supports GSM, HSPA, LTE, and 5G, with both SA and NSA 5G bands listed. The band selection includes common sub-6GHz coverage such as n77 and n78, though actual network compatibility still depends on the country, carrier, and specific sales region.

Wi-Fi 802.11 a/b/g/n/ac dual-band support, USB Type-C 2.0 with OTG, and multi-system positioning support are all practical additions. The two main omissions are NFC and FM radio. NFC absence matters for users who rely on tap-to-pay or transit cards, so it should be checked before purchase.

Who Should Buy the vivo Y31?

The vivo Y31 is best suited to buyers who value battery life, 5G, water resistance, and a large smooth display more than premium camera hardware or top-tier speed. It makes sense for students, commuters, field workers, delivery riders, or anyone who needs a durable daily phone at a low price.

It is less ideal for users who want a compact phone, a sharper Full HD display, NFC payments, a headphone jack, or faster storage performance. The most compelling version is likely the 6GB RAM model, because it gives the phone more room for everyday multitasking while keeping the same core strengths.

Conclusion

The vivo Y31 is a budget 5G phone with a clear identity: big battery, practical durability, smooth display, and current Android software at an accessible price. Its compromises are easy to spot, especially the 720p display resolution, eMMC storage, no NFC, and basic camera arrangement. Still, for buyers who need stamina and toughness more than luxury features, the vivo Y31 is a sensible value pick.

References

  • vivo Global – Y31 – Official vivo product page for the later/global vivo Y31 variant, useful for confirming headline specs such as display, battery, charging, cameras, storage, and software claims.
  • vivo Malaysia – Y31 Specifications – Official detailed specification table for vivo Y31, including dimensions, processor, RAM/storage, display, network bands, cameras, connectivity, sensors, and in-box contents.
  • vivo China – Y31 Specifications – Official specification page for the original China-market vivo Y31, useful to distinguish it from the later 2021/global Y31 variant.
  • Qualcomm – Snapdragon 662 Mobile Platform – Official chipset reference for validating Snapdragon 662 platform details when the article covers the 2021 vivo Y31 variant.

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