Oppo F31 55

Brand

Brand

Oppo

Aliases

CPH2781

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Release Date

Release date

September 2025, 1 year ago

Launch price

₹ 22,999.00 ($ 239.21)

Image gallery

Image gallery

Structure

Size

158.2 × 75.0 × 8.0 mm

Weight

185 g

Usable surface

84 %

Materials

Plastic

Resistance certificates (dust, water)

IP68, IP69 , MIL-STD-810H

Colors

White Blue Red

Repairability

Class A B C D E

Drop resistance

Class A B C D E • 270 drops without defects

Screen

Diagonal

6.57"

Type

AMOLED

Aspect Ratio

20:9

Resolution

1080 x 2372 px • FHD+

Density

264 ppi • Medium Density

Others

Hole-punch Notch Refresh rate 120 Hz Touch sampling rate 240 Hz Brightnes 600 cd/m² (typ) Peak brightness - 1000 cd/m² Max brightness HBM - 1400 cd/m² HDR10 DCI-P3 Full sRGB standard 10 Bits panel 2.5D curved glass screen AGC glass Corning Gorilla Glass 7i Capacitive Multi-touch Frameless

Processor

Model

MediaTek Dimensity 6300

CPU

2x2.4 GHz ARM Cortex•A76 +6x2.0 GHz ARM Cortex•A55

Type

Octa-Core

Nanometer

6 nm

Frequency

2.4 GHz

64 Bits

Yes

Graphics

GPU

Arm Mali-G57 MC2

RAM

RAM

8 GB

Type

Double rear camera

Standard

1

Resolution

50 Mpx

Aperture

ƒ/ 1.8

Sensor

--

Type

CMOS BSI

Pixel size

--

Flash

LED

Optical Stabilisation

Yes

Slow Motion Video

Yes, 120 fps

Features

Flicker sensor Digital zoom Dual camera Digital image stabilization Optical Stabilization (OIS) Autofocus Touch focus Contrast detection autofocus (CDAF) Continuous shooting Geotagging Panorama HDR Face detection White balance settings ISO settings Exposure compensation Scene mode Self-timer

Bands

5G

n1 (2100), n3 (1800), n5 (850), n8 (900), n28b (700), n38 (2600), n40 (2300), n41 (2500), n77 (3700), n78 (3500)

4G LTE

B3 (1800), B5 (850), B8 (900), B19 (800), B28b (700), B38 (TDD 2600), B40 (TDD 2300), B41 (TDD 2500), B42 (TDD 3500), B48 (TDD 3600), B66 (1700/2100)

3G

B1 (2100), B8 (900)

2G

B3 (1800), B8 (900)

SIM card

Type

Dual SIM Dual Standby (Nano SIM + Nano SIM) SIM cards (MiniSIM) can be cut to MicroSIM, MicroSIM can be cut to NanoSIM and a SIM can even be cut to a NanoSIM (although not recommended). Download this SIM Cutting Template and forget about having to ask your operator for a new SIM...

Wi-Fi

Standards

802.11a , 802.11b , 802.11g , 802.11n 5GHz , 802.11ac

Others

Dual band Wi-Fi Hotspot Wi-Fi Direct Wi-Fi Display