Written By Deepti Ratnam
Published By: Deepti Ratnam | Published: Sep 15, 2025, 12:37 PM (IST)
OPPO has officially unveiled its F31 series in India, revealing a host of features with a combination of performance and endurance. The series caters to buyers who are looking for a mid-range smartphone without spending too much. The series is powered by the Snapdragon 7 Gen 3 processor and packs a massive battery of 7000mAh capacity.
Let’s take a closer look at what the OPPO F31 series has to offer.
OPPO F31 series launched with two smartphones, including the OPPO F31 Pro and the OPPO F31 Pro+.
The OPPO F31 Pro is available at Rs 26,999 and Rs 28,999 for its 8GB+128GB and 8GB+256GB storage variants, respectively. However, the 12GB+256GB costs Rs 30,999. It is available in two color options, including Desert Gold and Space Grey.
The OPPO F31 Pro+ is launched in two storage variants, including 8GB+256GB, priced at Rs 32,999, and the 12GB+256GB comes at Rs 34,999, respectively. It is available in three colors, including Himalayan White, Gemstone Blue, and Festival Pink.
Processor
The OPPO F31 Pro+ 5G and OPPO F31 Pro 5G are powered by the Qualcomm Snapdragon® 7 Gen 3 SoC, with an 8-core CPU clocked at 2.63GHz and an Adreno 7-series GPU at 975MHz, delivering smooth multitasking and high-quality graphics.
Operating System
Both devices run on ColorOS 15.0, delivering a smooth, feature-rich, and customizable user experience.
Storage and Memory
Both the OPPO F31 Pro 5G and F31 Pro+ 5G support LPDDR4X RAM and UFS 3.1 storage, ensuring smooth multitasking and fast app launches. The OPPO F31 Pro 5G comes in 8GB + 128GB, 8GB + 256GB, and 12GB + 256GB variants, while the F31 Pro+ 5G is available in 8GB + 256GB and 12GB + 256GB configurations, giving users multiple options based on their storage needs.
Display
The OPPO F31 Pro 5G features a 16.69cm AMOLED display with a Full HD+ resolution of 2372 × 1080 pixels, a 93.0% screen-to-body ratio, and an adaptive refresh rate of 60/90/120Hz. While the F31 Pro+ 5G offers a larger 17.27cm flexible AMOLED screen with a Full HD+ resolution of 2800 × 1280 pixels and a 93.5% screen-to-body ratio, it supports a maximum refresh rate of 120Hz.
Both devices feature a touch sampling rate of up to 240Hz, vibrant AMOLED colors, and high brightness up to 600 nits.
Size and Weight
The OPPO F31 Pro 5G measures about 16.31cm in height and 7.76cm in width, offering a balanced and ergonomic design. While the OPPO F31 Pro+ 5G has similar dimensions, it features a slightly larger screen, providing a more immersive viewing experience.
Camera
Both phones share a similar camera setup with a 50MP wide-angle rear camera featuring f/1.8 aperture, autofocus, and 2-axis optical image stabilization, paired with a 2MP monochrome sensor for enhanced detail. The front camera on both devices is a 32MP shooter with an f/2.4 aperture and 82° field of view.
While both phones support Photo, Video, Portrait, Night, Panorama, Slow-Mo, Dual-View Video, Time-Lapse, Sticker, and Hi-Res modes, the F31 Pro+ 5G additionally includes Google Lens and underwater photography modes, giving it a slight edge for advanced photography enthusiasts.
Battery
Both the OPPO F31 Pro 5G and F31 Pro+ 5G feature a large 7000mAh battery (27.44Wh typical), ensuring long-lasting usage without frequent recharges.
Connectivity
The F31 Pro 5G supports Bluetooth 5.4 Low Energy, while the F31 Pro+ 5G uses Bluetooth 5.2 Low Energy. Both phones offer efficient wireless connectivity for devices and accessories.