Sources and limitations

Listed specifications are reference information, not results of TechMyte testing. Rumored details may change, and hardware or supported features can differ by region. Confirm the exact model with its manufacturer before buying.

Battery capacity does not establish tested endurance; megapixel count does not establish camera quality. Use the comparison tool to identify differences, then check the features that matter to your use.

Report an error with this specification sheet

Technical data sheet

Full Specifications

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
Speed	HSPA, LTE, 5G
5G bands	1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA

Launch

Announced	2025, September 16
Status	Available. Released 2025, September 16

Body

Dimensions	163.1 x 77.6 x 7.7 mm or 7.9 mm
Weight	195 or 204 g (6.88 oz)
SIM	Nano-SIM + Nano-SIM

Battery

Type	Si/C Li-Ion 7000 mAh
Charging	80W wired, 13.5W PD, 44W UFCS, 33W PPS, 42% in 20 min 10W reverse wired

Display

Size	6.8 inches, 112.8 cm2 (~89.1% screen-to-body ratio)
Resolution	1280 x 2800 pixels, 19.5:9 ratio (~453 ppi density)
Protection	AGC DT-Star D+
Type	AMOLED, 1B colors, 120Hz, 1600 nits (HBM)

Platform

OS	Android 15, ColorOS 15
Chipset	Qualcomm SM7550-AB Snapdragon 7 Gen 3 (4 nm)
CPU	Octa-core (1x2.63 GHz Cortex-A715 & 3x2.4 GHz Cortex-A715 & 4x1.8 GHz Cortex-A510)
GPU	Adreno 720

Memory

Card slot	No
Internal	256GB 8GB RAM, 256GB 12GB RAM

Selfie camera

Single	32 MP, f/2.4, (wide)
Video	1080p@30fps, gyro-EIS
Features	Panorama

Sound

Loudspeaker	Yes, with stereo speakers
3.5mm jack	No

Comms

WLAN	Wi-Fi 802.11 a/b/g/n/ac/6, dual-band
Bluetooth	5.2, A2DP, LE, aptX HD
Positioning	GPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5), GLONASS
NFC	No
Radio	No
USB	USB Type-C 2.0, OTG
Infrared port	Yes

Features

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

Misc

Colors	Festival Pink, Himalayan White, Gemstone Blue
Price	About 320 EUR
Models	CPH2757
SAR	1.16 W/kg (head) 0.99 W/kg (body)

Main Camera

Features	Color spectrum sensor, LED flash, HDR, panorama
Dual	50 MP, f/1.8, (wide), PDAF, OIS Auxiliary lens
Video	4K@30fps, 1080p@30/60/120fps, gyro-EIS, OIS

Oppo F31 Pro+