findaphone.ng
Mid-range · 2025

Oppo F31

Nobody owns this yet
Our Take
CPU benches near recent lower-mid phones like the Samsung Galaxy A23 5G
Best for
Strength 80W fast charging, All-day battery (7000mAh)
Extras Rugged build, Cooling system
Skip if Heavy gaming or multitasking
6.57″ AMOLED · 120Hz
6300 8 / 128 GB
7000 mAh 80W charging
50 MP 16 MP selfie
5G
Compare

Full specifications

Display

6.57″ · AMOLED · 1080 × 2372 · 120 Hz
OLED + smooth

A clean OLED panel — colours pop and sunlight visibility is solid.

Screen size
6.57"
Panel type
AMOLED
OLED
Resolution
1080 × 2372 px
Refresh rate
120 Hz
Smooth
Colour depth
10-bit (1B colours)
10-bit
Brightness
1400 nits
HDR
Not listed
Protection
AGC DT-Star D+

Performance

Mediatek Dimensity 6300 (6 nm) · 8-core 2.4 GHz · Mali-G57 MC2
Light-use CPU

Fine for messaging, calls, and browsing. Heavy multitasking will feel slow.

Chipset
Mediatek Dimensity 6300 (6 nm)
Current CPU tier
Lower mid-range
AnTuTu
402,999
v10
CPU
8-core, 2.4 GHz
GPU
Mali-G57 MC2
Process
6 nm
RAM type
LPDDR4X RAM
Storage type
UFS Storage 2.2
CPU layout
2x2.4 GHz ARM Cortex A76 +6x2.0 GHz ARM Cortex A55

Software & updates

Android 15, ColorOS 15 · 2-year support (brand estimate)

How long the maker keeps shipping Android and security updates — the main thing that decides how many years this phone stays current.

Operating system
Android 15, ColorOS 15
Software support
2 years of updates (brand estimate)
Updates remaining
~1 year

Camera

50 MP f/1.8 main · 16 MP selfie

A standard camera setup — sharp in daylight, expect noise in low light.

Main camera
50 MP f/1.8
Front camera
16 MP f/2.4
Slow motion
Yes, 120 fps
Video
1080p @ 120 fps

Battery

7000 mAh · 80 W wired
Plenty

A genuinely all-day battery — comfortably handles streaming and social.

Capacity
7000 mAh
Wired charging
80 W
Fast
Removable
No

Audio

Stereo
Stereo speakers
Speakers
Stereo
Stereo

Memory

8 GB RAM · 128 GB · expandable
RAM
8 GB
Storage
128 GB
Configurations
8/128GB · 8/256GB
Storage type
UFS 2.2
Expandable
Yes

Connectivity

5G · Wi-Fi 5
5G
Yes
4G LTE
Yes
NFC
No
Wi-Fi
Wi-Fi 5
Bluetooth
5.4
GPS systems
GPS, A-GPS, GLONASS, Beidou, QZSS, Galileo, BeiDou (B1)
USB
USB-C 2.0
USB OTG
Yes
3.5mm jack
No
IR blaster
No
SIM
1× Nano-SIM

Network bands

4G works on all four carriers — 5G on MTN & Airtel

Radio bands decide whether this phone sees MTN, Glo, Airtel or 9mobile towers — and how strong the signal holds indoors.

M MTN
4G works · 5G works No B20 or B7 — weaker indoor signal, and slower speeds where the network is busy.
Works
A Airtel
4G full · 5G works
Full
G Glo
4G works No B28 — signal can get weak indoors and outside the big cities.
Works
9 9mobile
4G full
Full

The bands Nigerian networks use

B3 main band
M A G 9
B7 extra speed
M
B20 indoor reach
M
B28 indoor reach
G
n78 the 5G band
M A

The dots show which network uses each band. ✓ means this phone has it, ✗ means it doesn't.

All reported bands

2G B3, B8
3G B1, B8
4G B3, B5, B8, B19, B28b
5G n1, n3, n5, n8, n28b, n38, n40, n41, n77, n78

Build & Design

185 g · 8.0 mm · IP68
Built to last
Height
158.2 mm
Width
75.0 mm
Thickness
8.0 mm
Weight
185 g
IP rating
IP68
Water resistant

Sensors

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

Images and battery life estimates from GSMArena

How it stacks up against the rest.

A few phones around the same price, so you can see what this one does better and what it gives up.

vs

Apple iPhone 17

Loses on most 1 win 4 losses
90% larger battery capacity
80 W vs 40 W charging · 7,000 mAh vs 3,692 mAh battery
Lower-resolution screen
AMOLED vs Dynamic AMOLED panel · 1080 × 2372 vs 1206 × 2622 resolution
Lower benchmark score
403k vs 2.2M AnTuTu · Lower mid-range vs Flagship tier
Less stable camera
No OIS vs OIS · 1080p @ 120 fps vs 4K @ 60 fps video
No NFC
No NFC vs NFC
Full comparison
vs

Samsung Galaxy S25

Loses on most 1 win 4 losses
75% larger battery capacity
80 W vs 25 W charging · 7,000 mAh vs 4,000 mAh battery
Weaker display tech
AMOLED vs Dynamic AMOLED panel · Tradeoff: 6.57″ vs 6.2″ screen
Lower benchmark score
403k vs 3.1M AnTuTu · Lower mid-range vs Flagship tier
Less stable camera
No OIS vs OIS · — vs Telephoto · OIS · 1080p @ 120 fps vs 8K @ 30 fps video
No NFC
No NFC vs NFC
Full comparison

Where to buy

We don't have any listings for this phone yet. Try searching on Konga or Jiji.

Search on Konga Search on Jiji

Similar Phones

How each one compares to the Oppo F31.

Oppo A6 Pro 4G
Entry-level

Oppo A6 Pro 4G

₦385,000 – ₦440,000

NFC included
8GB 128GB 7000mAh
Oppo A6s
Entry-level

Oppo A6s

Newer (2026) · LCD screen
6GB 128GB 7000mAh
Oppo A5 (China)
Entry-level

Oppo A5 (China)

Smaller battery · NFC included
8GB 128GB 6500mAh
Oppo A5
Entry-level

Oppo A5

LCD screen · Smaller battery
4GB 128GB 6000mAh