Oppo F31
📅Released 2025, September 27
⚖️185 g (6.53 oz), 158.2 x 75 x 8 mm thickness
📱Android 15, ColorOS 15
💾128GB 8GB RAM, 256GB 8GB RAM, microSDXC
6.57"
1080x2372 pixels
50MP
1080p@30/60/120fps
8GB RAM
Mediatek Dimensity 6300
7000mAh
⚡PD3.2 ⚡80W
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Network
Technology
GSM / HSPA / LTE / 5G
2G bands
GSM 850 / 900 / 1800 / 1900
3G bands
HSDPA 900 / 2100
4G bands
1, 3, 5, 8, 19, 28, 38, 40, 41, 42, 48
5G bands
1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA
Speed
HSPA, LTE, 5G
Launch
Announced
2025, September 17
Status
Available. Released 2025, September 27
Body
Dimensions
158.2 x 75 x 8 mm (6.23 x 2.95 x 0.31 in)
Weight
185 g (6.53 oz)
SIM
Nano-SIM + Nano-SIM
IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min) MIL-STD-810H compliant* * does not guarantee ruggedness or use in extreme conditions
Display
Type
AMOLED, 1B colors, 120Hz, 600 nits (typ), 1400 nits (HBM)
Size
6.57 inches, 105.0 cm2 (~88.5% screen-to-body ratio)
Resolution
1080 x 2372 pixels (~397 ppi density)
Protection
AGC DT-Star D+
Platform
OS
Android 15, ColorOS 15
Chipset
Mediatek Dimensity 6300 (6 nm)
CPU
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
Mali-G57 MC2
Memory
Card slot
microSDXC
Internal
128GB 8GB RAM, 256GB 8GB RAM
UFS 2.2
Main Camera
Dual
• 50 MP, f/1.8, (wide), PDAF
• Auxiliary lens
Features
LED flash, HDR, panorama
Video
1080p@30/60/120fps
Selfie camera
Single
16 MP, f/2.4, (wide)
Features
Panorama
Video
1080p@30fps
Sound
Loudspeaker
Yes, with stereo speakers
3.5mm jack
No
Comms
WLAN
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
5.4, A2DP, LE, aptX HD
Positioning
GPS, GALILEO, GLONASS, BDS, QZSS
NFC
No
Radio
Unspecified
USB
USB Type-C 2.0, OTG
Features
Sensors
Fingerprint (under display, optical), accelerometer, proximity, compass
Battery
Type
Si/C Li-Ion 7000 mAh
Charging
• 80W wired
• 33W PPS
• 13.5W PD
Reverse wired charging
N/A
Misc
Colors
Midnight Blue, Bloom Red, Cloud Green
Models
CPH2781
SAR
1.18 W/kg (head) 0.81 W/kg (body)