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vivo’s new Y31s 5G is positioned as an affordable all‑rounder for Singaporeans who want modern 5G performance, a long‑lasting battery and serious durability without paying flagship prices. Built around vivo’s latest design language and software, it aims to be the kind of everyday phone you can rely on from your morning commute to late‑night streaming. Priced at S$399 for the 6GB + 256GB configuration, it slots neatly into the mid‑range, but borrows a surprising number of features from higher tiers in vivo’s lineup.

Display and entertainment.

Up front, the Y31s 5G features a 90Hz High‑Brightness FHD Dotch Display, giving you a crisper Full HD resolution and smoother scrolling than typical 60Hz panels in this price band. That higher refresh rate makes a noticeable difference when you’re flicking through social feeds, browsing the web or gaming, while the bright panel is tuned for comfortable viewing both indoors and outdoors. Paired with dual stereo speakers capable of up to 400% volume, the phone is clearly tuned for entertainment, delivering louder and richer audio for videos, music and games without always needing an external speaker.

Cameras and underwater shooting.

On the imaging front, vivo has given the Y31s 5G a major selfie upgrade: the front camera jumps to 32MP HD, up from the previous generation’s 8MP, for much clearer, sharper portraits and video calls. Beauty effects are tuned to look natural rather than over‑processed, making it easier to capture content you can post straight to social platforms. Around the back, a 50MP HD main camera handles everyday snapshots with vivid colours and solid clarity, and the phone even supports underwater photography so you can confidently shoot in the rain, at the pool or during water‑based activities without worrying about accidental splashes.

Battery life, charging and long‑term smoothness.

Powering everything is a large 6500mAh BlueVolt battery, designed to comfortably last through a full day of communication, entertainment and productivity. When it is time to top up, 44W FlashCharge support means you can get back to a usable level quickly instead of being tied to a charger for hours. The Y31s 5G also supports reverse charging, letting you use it as a power bank to juice up compatible accessories or another phone in a pinch. To keep performance consistent over the long haul, vivo has engineered the battery for 5‑Year Battery Health, aiming to maintain stable capacity even after years of daily charging cycles.

Performance and software.

Under the hood, the Y31s 5G runs on the Snapdragon 4 Gen 2 Mobile Platform built on an efficient 4nm process, which helps balance smooth performance with better power efficiency. It’s paired with up to 6GB Extended RAM and 256GB of internal storage, giving you enough headroom for multitasking and storing photos, apps and offline media. With the latest OriginOS 6 on board, you get faster app launches, smoother multitasking and a more intuitive interface, and vivo rates the device for a 50‑Month Smooth Experience to underline its focus on long‑term usability rather than just day‑one speed.

Durability and design.

Despite the big battery, the Y31s 5G stays relatively slim and manageable at 8.39mm thick and about 209g, striking a balance between endurance and in‑hand comfort. It is rated IP69 for dust and water resistance, meaning it is built to handle rain, splashes and other everyday encounters with the elements. On top of that, SGS Five‑Star Drop Resistance certification helps protect against accidental drops, making it a practical choice for users who are often on the go or enjoy outdoor activities. Available in Glowing Black and Midnight KL Purple, the phone combines a modern aesthetic with this rugged build so you don’t have to choose between style and toughness.

Pricing and availability.

The vivo Y31s 5G comes in a single 6GB + 256GB variant, priced at S$399, positioning it as an accessible option for students, young professionals and anyone upgrading from an older 4G handset. The device is already available locally, and you can pick it up at the vivo Experience & Service Store at 313@somerset or order online via vivo’s official channels on Shopee, Lazada, TikTok and other authorised retailers. For those eyeing something more premium, vivo is also running limited‑time July promotions on the flagship X300 Series, offering S$100 off the vivo X300 (down to S$1,199) and S$50 off the X300 FE (now S$1,049), giving you a clear upgrade ladder within the ecosystem if your needs change later.

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Sky Oh, Contributor

Sky's The Technovore's International Man of Mystery. He travels the world, enjoying the high life but still finds the time to write!
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Sky's The Technovore's International Man of Mystery. He travels the world, enjoying the high life but still finds the time to write!