vivo has officially unveiled two new additions to its Y-series in India: the vivo Y31 5G and the vivo Y31 Pro 5G. These smartphones arrive with powerful battery life, vibrant displays, updated chipsets, and competitive pricing. Key trending specs include the 6,500 mAh battery, 44W fast charging, plus 5G connectivity – making them appealing options in the mid-range segment. :contentReference[oaicite:0]{index=0}

Display & Design Highlights

Y31 5G features a 6.68-inch IPS LCD display with an HD+ resolution (≈ 1608×720 pixels), a 120Hz refresh rate and up to 1000 nits peak brightness. It also includes rugged protection with an IP68 + IP69 rating for water and dust resistance. :contentReference[oaicite:1]{index=1} Conversely, Y31 Pro 5G steps up with a 6.72-inch FHD+ display (~2408×1080), 120Hz refresh, and even higher brightness (~1050 nits), though its protection is rated only IP64. :contentReference[oaicite:2]{index=2}

Performance & Software

Under the hood, Y31 5G is powered by the Qualcomm Snapdragon 4 Gen 2 chipset built on a 4nm process. It comes in RAM options of 4GB or 6GB, paired with 128GB storage (expandable via microSD up to ~2TB). It runs Android 15 with FunTouch OS 15. :contentReference[oaicite:3]{index=3} Meanwhile, Y31 Pro 5G uses the MediaTek Dimensity 7300 chip, also 4nm, with 8GB RAM in both storage variants (128GB & 256GB). Same Android 15 base. :contentReference[oaicite:4]{index=4}

Camera & Battery

For imaging, both phones share a 50MP main rear sensor. The standard Y31 has a secondary auxiliary lens (0.08MP), whereas the Pro model features a 2MP depth sensor. Selfies are handled by an 8MP front camera on both. :contentReference[oaicite:5]{index=5} Battery life is exceptional: both models house a large 6,500 mAh battery with 44W fast charging support. :contentReference[oaicite:6]{index=6}

Pricing, Variants & Availability

• vivo Y31 5G: 4GB + 128GB at ₹14,999; 6GB + 128GB at ₹16,499. Available colors: Rose Red, Diamond Green. :contentReference[oaicite:7]{index=7}
• vivo Y31 Pro 5G: 8GB + 128GB at ₹18,999; 8GB + 256GB at ₹20,999. Colors: Mocha Brown, Dreamy White. :contentReference[oaicite:8]{index=8}

Other Features & Connectivity

Both phones come with side-mounted fingerprint sensors, stereo speaker setups, and support for 5G (SA/NSA) bands. They also include standard features like dual-SIM, USB-C port, WiFi 5 or 6, Bluetooth (v5.x), and all run on FunTouch OS 15 over Android 15. :contentReference[oaicite:9]{index=9}

Verdict: Who Should Buy Which?

If you’re seeking **rugged durability** plus water/dust protection, the **Y31 5G** stands out thanks to its IP68 + IP69 rating. But if you want a sharper screen with Full HD+ resolution, and larger storage, the **Y31 Pro 5G** yields better display performance and memory options. Both deliver excellent battery life and fast charging, making either model a strong choice in the mid-range 5G smartphone category. Trending features like high refresh rate displays, large battery capacity, and fast charging make both phones especially attractive to gaming, multimedia users, or those often on the move.