Key specifications Display 6.57″ AMOLED, 120Hz Chipset MediaTek Dimensity 6300 Oppo F31 overview The Oppo F31 is a 5G smartphone from Oppo, released in September 2025. It comes with a 6.57-inch AMOLED display with a 120Hz refresh rate, the MediaTek Dimensity 6300 chipset, 8GB of RAM and 128GB of storage. For photography there is a 50MP dual rear camera and a 16MP selfie camera. A 7,000mAh battery powers the phone, with 80W fast charging. It is not officially sold in Bangladesh yet; the unofficial market price starts at ৳30,000.
What's good 120Hz smooth display AMOLED panel Huge 7000mAh battery Very fast 80W charging 5G network support IP68/IP69 water & dust resistance What's not No 3.5mm headphone jack Not officially available in Bangladesh
Oppo F31 full specifications Launch Brand Oppo Model F31 Device Type Smartphone Release Date 17 September 2025 Status Available
Platform Operating System Android OS Version v15 User Interface ColorOS 15.0 Chipset MediaTek Dimensity 6300 CPU Octa core (2.4 GHz, Dual core, Cortex A76 + 2 GHz, Hexa Core, Cortex A55) CPU Cores 8 Cores Architecture 64 bit Fabrication 6 nm GPU Mali-G57 MC2
Display Display Type AMOLED Screen Size 6.57 inches (16.69 cm) Resolution 1080x2372 px (FHD+) Pixel Density 397 ppi Screen to Body Ratio 88.5% Screen Protection AGC DT-Star D+ Bezel-less Display Yes with punch-hole display Touch Screen Capacitive Touchscreen, Multi-touch Brightness 1400 nits Refresh Rate 120 Hz Notch Punch-hole
Rear Camera Camera Setup Dual Resolution 50 MP, f/1.8, Wide Angle, Primary Camera, 2 MP, f/2.4, Monochrome Camera Autofocus Yes Flash LED Flash Image Resolution 8150 x 6150 Pixels Settings Exposure compensation, ISO control Zoom Digital Zoom Shooting Modes Continuous Shooting, High Dynamic Range mode (HDR) Camera Features Auto Flash, Face detection, Touch to focus Video Recording 1920x1080, 1280x720 Video FPS 60 fps
Selfie Camera Camera Setup Single Resolution 16 MP, f/2.4, Wide Angle, Primary Camera Video Recording 1920x1080 Video FPS 30 fps Aperture f/2.4
Body & Design Height 158.2 mm Width 75 mm Thickness 8 mm Weight 185 grams Colors Midnight Blue, Bloom Red, Cloud Green Waterproof Water resistant (up to 1.5m for 30 min) IP Rating IP68/IP69 Ruggedness Dust proof
Battery Battery type Li-Ion (Lithium Ion) Capacity 7000 mAh Quick Charging 80W Super VOOC Charging, 100% in 60 minutes Placement Non-removable USB Type-C USB Type-C 2.0
Memory Internal Storage 128 GB Storage Type UFS 2.2 USB OTG Yes RAM 8 GB RAM Type LPDDR4X
Connectivity Network 2G, 3G, 4G, 5G SIM Slot Dual SIM, GSM+GSM SIM Size SIM1: Nano, SIM2: Nano EDGE Available GPRS Available VoLTE Yes Speed HSPA, LTE, 5G WLAN Wi-Fi 5 (802.11 a/b/g/n/ac) 5GHz Bluetooth v5.4 GPS Yes with A-GPS, Glonass Wi-fi Hotspot Yes USB Mass storage device, USB charging
Sensors & Security Light Sensor Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope Fingerprint Sensor Yes Finger Sensor Position On-screen Finger Sensor Type Optical Face Unlock Yes
Audio & Media Loudspeaker Yes Audio Jack USB Type-C Video 1080p@30/60/120fps
More Made By China Features Accelerometer, Compass, Gyroscope
Specifications may differ by region or variant. Spotted a mistake? Let us know .
Frequently asked questions What is the price of Oppo F31 in Bangladesh? Oppo F31 is available in the unofficial market from ৳30,000.
Does Oppo F31 support 5G? Yes, Oppo F31 supports 5G networks.
How big is the battery of Oppo F31? Oppo F31 has a 7000mAh battery with 80W fast charging.
Is Oppo F31 waterproof? Oppo F31 has IP68/IP69 – Water resistant (up to 1.5m for 30 min) protection.
Which processor does Oppo F31 use? Oppo F31 is powered by the MediaTek Dimensity 6300 (Octa core (2.4 GHz, Dual core, Cortex A76 + 2 GHz, Hexa Core, Cortex A55)).
When was Oppo F31 released? Oppo F31 was released in September 2025.