Home/Phones/Oppo/Oppo F31 Pro
Oppo F31 Pro

Oppo F31 Pro

Released: September 16, 2025

Unofficial Price৳ 34,990Variant: 8/128 GB

Where to Buy

Display6.57"
Camera50 MP, f/1.8, (wide), PDAF, OIS
RAM8GB
BatterySi/C Li-Ion 7000 mAh

The Oppo F31 Pro enters the smartphone market with an impressive focus on extreme durability and extraordinary battery endurance. Designed for power users, outdoor enthusiasts, and demanding daily users, this device combines a sleek 8mm profile with military-grade rugged construction. Running on Android 15 with ColorOS 15, the Oppo F31 Pro provides a modern software experience backed by 5G connectivity, MediaTek performance, and fast UFS 3.1 storage. Unmatched Durability and Massive 7000 mAh Battery Equipped with a high-density 7000 mAh Silicon-Carbon battery, the device supports 80W wired fast charging that reaches 37% in just 20 minutes alongside 10W reverse wired charging. Its body stands out with top-tier IP68/IP69 dust and water resistance capable of handling high-pressure water jets, complemented by MIL-STD-810H compliance. Smooth 120Hz AMOLED Display and OIS Camera The front features a 6.57-inch 120Hz AMOLED display with 1 billion colors, 1400 nits high brightness mode, and DT-Star D+ glass protection. For imaging, it carries a 50 MP main camera with Optical Image Stabilization (OIS) paired with a 32 MP front camera, both capable of recording crisp 4K video. Reliable Performance and Audio Features Powered by the 4nm MediaTek Dimensity 7300 chipset and up to 12GB of RAM, the phone easily handles multitasking and daily demands. Audio and wireless connectivity are enhanced by stereo speakers, Wi-Fi 6, Bluetooth 5.4, and an integrated infrared port. Who is this for? The Oppo F31 Pro is best suited for users who prioritize extreme battery life, rugged build quality, and smooth display visuals without sacrificing a slim handheld feel. If you need a durable 5G smartphone that delivers dependable performance, versatile 4K video recording, and multi-day battery capability, the F31 Pro offers excellent hardware value for its class.

Read full description ↓

Reasons to Buy

  • Massive 7000 mAh Silicon-Carbon battery with fast 80W wired charging
  • Exceptional IP68/IP69 water/dust resistance and MIL-STD-810H toughness
  • Vibrant 6.57-inch 120Hz AMOLED display with 1B colors and 1400 nits peak brightness
  • Capable 50 MP main camera with Optical Image Stabilization (OIS) and 4K video support
  • Front 32 MP camera supports 4K video recording
  • Stereo speakers, Wi-Fi 6, Bluetooth 5.4, and infrared port included

Reasons to Avoid

  • No microSD card slot for expandable storage
  • Lacks NFC support for contactless payments
  • No 3.5mm headphone jack
  • Secondary rear camera setup is basic with only an auxiliary lens

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

Launch

Announced
September 16, 2025
Status
Available

Body

Dimensions
158.2 x 75 x 8 mm
Weight
190 g
Build
DT-Star D+
SIM
Nano-SIM + Nano-SIM
IP Rating
IP68/IP69
Other Features
IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min), MIL-STD-810H compliant

Display

Type
AMOLED
Size
6.57 inches (~88.5% screen-to-body ratio, 105 cm²)
Resolution
1080 x 2372 pixels (~397 ppi density)
Refresh Rate
120 Hz
Brightness
600 nits (typ), 1400 nits (HBM)
Protection
DT-Star D+
Other Features
1B colors

Platform

OS
Android 15 , ColorOS 15
Chipset
Mediatek Dimensity 7300 (4 nm)
CPU
Octa-core (4x2.5 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
GPU
Mali-G615 MC2

Memory

Card slot
No
Internal
128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM
Features
UFS 3.1

Main Camera

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

Selfie Camera

Modules
32 MP, f/2.4, (wide)
Features
Panorama
Video
4K@30fps, 1080p@30/60fps, gyro-EIS

Sound

Loudspeaker
Yes, with stereo speakers
3.5mm jack
No

Connectivity

WLAN
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band
Bluetooth
5.4, A2DP, LE, aptX HD
Positioning
GPS, GALILEO, GLONASS, BDS, QZSS
NFC
No
Infrared port
Yes
Radio
No
USB
USB Type-C 2.0, OTG

Features

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

Battery

Type
Si/C Li-Ion 7000 mAh
Charging
80W wired, 33W PPS, 13.5W PD, 13.5W QC, UFCS, 37% in 20 min, 10W reverse wired

Misc

Colors
Space Grey, Desert Gold
Models
CPH2763
SAR
1.13 W/kg (head) 0.84 W/kg (body)

Oppo F31 Pro Review

The Oppo F31 Pro enters the smartphone market with an impressive focus on extreme durability and extraordinary battery endurance. Designed for power users, outdoor enthusiasts, and demanding daily users, this device combines a sleek 8mm profile with military-grade rugged construction. Running on Android 15 with ColorOS 15, the Oppo F31 Pro provides a modern software experience backed by 5G connectivity, MediaTek performance, and fast UFS 3.1 storage.

Unmatched Durability and Massive 7000 mAh Battery Equipped with a high-density 7000 mAh Silicon-Carbon battery, the device supports 80W wired fast charging that reaches 37% in just 20 minutes alongside 10W reverse wired charging. Its body stands out with top-tier IP68/IP69 dust and water resistance capable of handling high-pressure water jets, complemented by MIL-STD-810H compliance.

Smooth 120Hz AMOLED Display and OIS Camera The front features a 6.57-inch 120Hz AMOLED display with 1 billion colors, 1400 nits high brightness mode, and DT-Star D+ glass protection. For imaging, it carries a 50 MP main camera with Optical Image Stabilization (OIS) paired with a 32 MP front camera, both capable of recording crisp 4K video.

Reliable Performance and Audio Features Powered by the 4nm MediaTek Dimensity 7300 chipset and up to 12GB of RAM, the phone easily handles multitasking and daily demands. Audio and wireless connectivity are enhanced by stereo speakers, Wi-Fi 6, Bluetooth 5.4, and an integrated infrared port.

Who is this for? The Oppo F31 Pro is best suited for users who prioritize extreme battery life, rugged build quality, and smooth display visuals without sacrificing a slim handheld feel. If you need a durable 5G smartphone that delivers dependable performance, versatile 4K video recording, and multi-day battery capability, the F31 Pro offers excellent hardware value for its class.

Frequently Asked Questions

The Oppo F31 Pro is powered by a MediaTek Dimensity 7300 (4 nm) octa-core processor paired with a Mali-G615 MC2 GPU.

It features a large 7000 mAh Si/C Li-Ion battery supporting 80W wired fast charging (reaching 37% in 20 minutes) and 10W reverse wired charging.

The phone features a 6.57-inch AMOLED display with a 120Hz refresh rate, 1080 x 2372 resolution, up to 1400 nits brightness (HBM), and DT-Star D+ screen protection.

Yes, it comes with an IP68/IP69 rating for water and dust resistance (submersible up to 1.5m for 30 minutes and resistant to high-pressure water jets) and is MIL-STD-810H compliant.

Yes, the Oppo F31 Pro supports 5G connectivity on both SA and NSA bands.

It has a 50 MP main rear camera with OIS and PDAF accompanied by an auxiliary lens, and a 32 MP front camera for selfies. Both front and rear cameras support 4K video recording at 30fps.

No, the Oppo F31 Pro does not feature a microSD card slot for expandable storage, nor does it have a 3.5mm audio port.