Oppo’s latest mid-segment offering brings fresh design and performance to the table. With eye-catching aesthetics and a unique colour palette like Gemstone Blue, the OPPO F31 Pro Plus aims to stand out in a crowded smartphone market. While it doesn’t claim to outshine every competitor, it introduces features that carve out its own niche, combining style, durability, and practical performance for everyday users.
Design and Build: OPPO F31 Pro Plus Stands Out
The OPPO F31 Pro Plus immediately catches attention with its dual-tone finish and shimmering circular camera module. The device looks premium, but its in-hand feel is slightly affected by its glossy flat edges and fibre-glass build.
Key design highlights:
- Dual-tone Gemstone Blue with bluish-purple shimmer effect
- Circular camera module sits almost flush, giving a smooth feel
- Aerospace-grade aluminium frame with MIL-STD-810H durability
- Multi-Layer Airbag Cushioning to protect internal components
- IP66, IP68, and IP69 certified for water and dust resistance
Despite its aesthetic appeal, the F31 Pro Plus can feel broader due to its boxy design, making one-handed use a little challenging. The bundled case helps improve grip while preserving safety, though it hides the premium design slightly.
Performance and Battery Life: Built for Endurance
The OPPO F31 Pro Plus impresses with its massive 7,000mAh battery, ideal for heavy daily usage. While it may not top all battery tests in the segment, its endurance for casual users is excellent.
Battery and performance details:
- 7,000mAh battery, second only to POCO F7 in the segment
- PCMark battery test score: 13.5 hours
- 80W fast charging from 20% to 80% in just 56 minutes
- Bypass Charging reduces heat and battery wear for longevity
- Gaming consumption: ~16% battery per 30 mins on BGMI, COD Mobile, Real Racing 3
The smartphone is optimized for casual daily use, multimedia streaming, and long video sessions, making it a reliable companion for those who value endurance over raw gaming performance.
Display and Multimedia: Immersive Viewing on OPPO F31 Pro Plus
The F31 Pro Plus features a 6.8-inch AMOLED display with FHD+ resolution, HDR10 support, and adaptive 120Hz refresh rate. While peak brightness at 1,600 nits is slightly lower than some competitors, the overall display experience remains impressive.
Display and audio highlights:
- Vivid mode offers bright and eye-catching colours
- Natural mode for softer, accurate colour reproduction
- HDR playback from Netflix and streaming platforms
- Stereo speakers provide immersive audio with balanced bass and treble
- Razor-thin bezels and punch-hole front camera ensure modern aesthetics
The display renders content beautifully, maintaining skin tones and contrast in bright and dark scenes alike, while the stereo speakers make it enjoyable for movies, shows, and music.
Camera Performance: Capture Every Moment
One of the most talked-about features of the OPPO F31 Pro Plus is its camera setup. The smartphone brings versatile photography options in a mid-range segment, making it appealing for casual and social media users.
Camera highlights:
- Triple rear camera setup with 50MP main sensor
- 2MP macro and 2MP depth sensors for close-up shots and portrait effects
- 16MP front camera for selfies with AI beautification and night mode
- 4K video recording at 30fps with electronic image stabilization
- AI scene recognition for optimized colours and lighting in photos
The F31 Pro Plus delivers sharp, vibrant photos in daylight, while low-light performance is decent thanks to the Night Mode. Portrait shots show good subject-background separation, though some competitors produce slightly more natural bokeh. Selfies are detailed, and skin tones appear natural without heavy softening.
Software Experience: Smooth and User-Friendly
The OPPO F31 Pro Plus runs on ColorOS, based on the latest Android version, providing a smooth and customizable user interface.
Software features:
- ColorOS 13 with Android 15-based enhancements
- Customizable home screens, themes, and icon packs
- AI features like Smart Sidebar, Game Focus Mode, and AI App Preloading
- Split-screen and floating window support for multitasking
- Regular security updates and optimization for long-term performance
The OS feels fluid during navigation, and the adaptive 120Hz refresh rate adds to the smoothness. Notifications are well-organized, and the device offers extensive customization for themes, wallpapers, and gestures.
Gaming and Performance: Casual to Moderate
While the OPPO F31 Pro Plus isn’t built as a hardcore gaming phone, it performs well for casual to moderate gaming.
Gaming highlights:
- Qualcomm Snapdragon processor optimized for mid-range devices
- Smooth gameplay at medium to high settings for most popular games
- Frame rates stay stable during 30-minute sessions of BGMI and COD Mobile
- Gaming Mode optimizes performance and minimizes distractions
- Heat management is decent, with no major throttling during extended play
For gaming enthusiasts seeking ultra-high performance, competitors with better GPU optimization might perform slightly better. However, for everyday gaming and multimedia consumption, the F31 Pro Plus is more than capable.
Connectivity and Sensors: All You Need
The OPPO F31 Pro Plus packs all standard connectivity options and sensors expected in a mid-range device.
Connectivity and sensor features:
- 5G support for faster mobile internet
- Wi-Fi 6 and Bluetooth 5.3 for stable wireless connections
- GPS, NFC, and USB-C port for versatility
- Side-mounted fingerprint sensor and face unlock for quick access
- Accelerometer, gyroscope, and proximity sensors for added functionality
These features ensure the F31 Pro Plus stays competitive and versatile for modern smartphone users, whether for work, entertainment, or daily navigation.
Pros and Cons
Pros:
- Distinctive dual-tone design with premium aesthetics
- Massive 7,000mAh battery with 80W fast charging
- Durable with MIL-STD-810H and IP68/IP69 ratings
- Smooth 6.8-inch AMOLED display with HDR10 and stereo speakers
- Versatile camera setup for photos and videos
Cons:
- Slightly broad for one-handed use
- Glossy fibre-glass build attracts fingerprints
- Display brightness could be higher under direct sunlight
- Gaming battery consumption higher than some competitors
Final Thought
The OPPO F31 Pro Plus is a mid-range smartphone that balances design, durability, battery life, and overall performance. Its distinctive colour variants and sleek dual-tone finish make it a head-turner. The large battery, fast charging, and optimized OS ensure long-lasting daily usage. While gaming and one-handed comfort may not be its strongest points, it excels in multimedia, photography, and casual usage. For users seeking a stylish, durable, and reliable smartphone in the mid-segment, the F31 Pro Plus is a worthy choice. Its blend of aesthetics, endurance, and features offers excellent value for money.
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