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Oppo F31

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  Oppo F31

Launch

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

Network

Technology GSM / HSPA / LTE / 5G
Speed 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

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

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
NFC No
Radio Unspecified
USB USB Type-C 2.0, OTG
Positioning GPS, GALILEO, GLONASS, BDS, QZSS

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

Misc

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

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