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Mid-range · 2019

Oppo A91

Sold for ₦135,000 · 1 sellers·Last checked 1d ago

Nobody owns this yet
Our Take
CPU benches near recent entry-level phones like the Samsung Galaxy A04s
Best for
Strength AMOLED screen
Watch out No more updates, Smaller battery (4025mAh)
Skip if Heavy gaming or multitasking
6.4″ AMOLED · 60Hz
P70 4 / 128 GB
4025 mAh 20W charging
48 MP 3 rear · 16 MP selfie
4G LTE
See 1 prices Compare

Full specifications

Display

6.4″ · AMOLED · 1080 × 2400 · 60 Hz · HDR
OLED display

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

Screen size
6.4"
Panel type
AMOLED
OLED
Resolution
1080 × 2400 px
Refresh rate
60 Hz
Slow for 2026
Brightness
430 nits
HDR
Supported
Protection
Corning Gorilla Glass 5

Performance

Mediatek MT6771V Helio P70 (12 nm) · 8-core 2.1 GHz · Mali-G72 MP3
Basic CPU

Best for calls, messaging, and very light browsing. Avoid heavy multitasking.

Chipset
Mediatek MT6771V Helio P70 (12 nm)
Current CPU tier
Entry-level
Launch class
Mid-range
AnTuTu
151,661
v8
CPU
8-core, 2.1 GHz
GPU
Mali-G72 MP3
Process
12 nm
RAM type
LPDDR4X RAM
CPU layout
4x Cortex A73 2.1 GHz + 4x Cortex A53 1.95 GHz

Software & updates

Android 9.0 (Pie), upgradable to Android 11, ColorOS 11 · 2-year support
End of life

This phone is past its update window — it still works, but new Android versions and most security patches have stopped.

Operating system
Android 9.0 (Pie), upgradable to Android 11, ColorOS 11
Software support
2 years of updates
Updates remaining
None — past its update window

Camera

48 MP f/1.8 main · 16 MP selfie

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

Main camera
48 MP f/1.8
Ultrawide
8 MP f/2.3
Camera
2 MP f/2.4
Front camera
16 MP f/2.0
Main sensor
0.8µm
Slow motion
Yes, 120 fps
Camera extras
laser AF, manual focus
Video
1080p @ 30 fps

Battery

4025 mAh · 20 W wired

Battery is average for the class — fine for daily use.

Capacity
4025 mAh
Wired charging
20 W
Removable
No

Memory

4 GB RAM · 128 GB · expandable
Tight
RAM
4 GB
Tight for 2026
Storage
128 GB
Configurations
4/128GB · 8/128GB · 8/256GB
Storage type
UFS 2.1
Expandable
Yes

Connectivity

4G LTE · Wi-Fi 4
5G
No
4G LTE
Yes
NFC
No
Wi-Fi
Wi-Fi 4
Bluetooth
4.2
GPS systems
GPS, A-GPS, GLONASS, Beidou
USB
USB-C 2.0
USB OTG
Yes
3.5mm jack
Yes
IR blaster
No
SIM
1× Nano-SIM

Network bands

4G works on all four carriers — no 5G

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

M MTN
4G full · no 5G
Full
A Airtel
4G full · no 5G
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 B2, B3, B5, B8
3G B1, B5, B8
4G B1, B3, B5, B7, B8, B20, B28b, B28a

Build & Design

172 g · 7.9 mm
Height
160.2 mm
Width
73.3 mm
Thickness
7.9 mm
Weight
172 g

Sensors

Fingerprint (under display, optical) · accelerometer · gyro · proximity
Sensors
Fingerprint (under display, optical), accelerometer, gyro, 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 11

Trades blows 2 wins 3 losses
Sharper screen
AMOLED vs IPS LCD panel · 1080 × 2400 vs 828 × 1792 resolution · 6.4″ vs 6.1″ screen
29% larger battery capacity
4,025 mAh vs 3,110 mAh battery
Lower benchmark score
152k vs 816k AnTuTu · Entry-level vs Mid-range tier
Less stable camera
No OIS vs OIS · 1080p @ 30 fps vs 4K @ 60 fps video · 48 MP · f/1.8 vs 12 MP · f/1.8 main
No NFC
No NFC vs NFC
Full comparison
vs

Samsung Galaxy S10e

Loses on most 1 win 4 losses
30% larger battery capacity
4,025 mAh vs 3,100 mAh battery
Weaker display tech
AMOLED vs Dynamic AMOLED panel · Tradeoff: 6.4″ vs 5.8″ screen
Lower benchmark score
152k vs 390k AnTuTu · Entry-level vs Lower mid-range tier
Less stable camera
No OIS vs OIS · 1080p @ 30 fps vs 4K @ 60 fps video · 48 MP · f/1.8 vs 12 MP · f/1.5 main
No NFC
No NFC vs NFC
Full comparison

Where to buy

1 seller·Used from ₦135,000

Prices move fast. Open the seller's page and confirm before you pay.

Jiji Used
₦135,000
Fair for used
Primetech Phones
19 feedback · 128GB
View deal
More listings:
Konga · Jiji

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