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Oppo

Oppo F31

🚀Platform

•GPU
Mali-G57 MC2
•CPU
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
•Chipset
Mediatek Dimensity 6300 (6 nm)
•OS
Android 15, ColorOS 15

💾Memory

• 
UFS 2.2
 
•Internal
128GB 8GB RAM, 256GB 8GB RAM
•Card slot
microSDXC

📷Main Camera

•Video
1080p@30/60/120fps
•Features
LED flash, HDR, panorama
•Dual
50 MP, f/1.8, (wide), PDAF
2 MP, f/2.4, (depth)

🤳Selfie camera

•Video
1080p@30fps
•Features
Panorama
•Single
16 MP, f/2.4, (wide)

📱Display

•Protection
AGC DT-Star D+
•Resolution
1080 x 2372 pixels (~397 ppi density)
•Size
6.57 inches, 105.0 cm2 (~88.5% screen-to-body ratio)
•Type
AMOLED, 1B colors, 120Hz, 600 nits (typ), 1400 nits (HBM)

📦Body

• 
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
 
•SIM
Nano-SIM + Nano-SIM
•Weight
185 g (6.53 oz)
•Dimensions
158.2 x 75 x 8 mm (6.23 x 2.95 x 0.31 in)

🔋Battery

•Charging
80W wired, 33W PPS, 13.5W PD
Reverse wired charging
•Type
Si/C Li-Ion 7000 mAh

🔊Sound

•3.5mm jack
No
•Loudspeaker
Yes, with stereo speakers

âš¡Features

•Sensors
Fingerprint (under display, optical), accelerometer, proximity, compass

📋Misc

•Price
₹ 22,999
•SAR
1.18 W/kg (head)     0.81 W/kg (body)    
•Models
CPH2781
•Colors
Midnight Blue, Bloom Red, Cloud Green

📋Comms

•USB
USB Type-C 2.0, OTG
•Radio
Unspecified
•NFC
No
•Positioning
GPS, GALILEO, GLONASS, BDS, QZSS
•Bluetooth
5.4, A2DP, LE, aptX HD
•WLAN
Wi-Fi 802.11 a/b/g/n/ac, dual-band

📋Launch

•Status
Available. Released 2025, September 27
•Announced
2025, September 17

📋Network

•Speed
HSPA, LTE, 5G
•5G bands
1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA
•4G bands
1, 3, 5, 8, 19, 28, 38, 40, 41, 42, 48
•3G bands
HSDPA 900 / 2100
•2G bands
GSM 850 / 900 / 1800 / 1900
•Technology
GSM / HSPA / LTE / 5G