Functions
Funtion
Quick charging, Fingerprint reader in display, FM Radio, OTG
Design and colour
Type
Touch display
Height
160.2 mm
Width
73.3 mm
Depth
7.9 mm
Weight
172 g
Colour
Black
Display
Display size
6.4 " (16.26 cm)
Display resolution (standard)
Full HD
Screen fineness
408 PPI
Shape of the cutout in the display
Drop
Camera
Camera type
Widescreen, Makro
Number of rear camera lenses
4 ×
Number of front camera lenses
1 ×
Main rear camera resolution
48 Mpx
Wide-angle lens camera resolution
8 Mpx
Wide-angle lens camera aperture
f/2.2
Macro camera resolution
2 Mpx
Macro camera aperture
f/2.4
Depth camera resolution
2 Mpx
Depth camera aperture
f/2.4
Front Camera Resolution
16 Mpx
Front Camera Aperture
f/2
Image stabilization
Electronic (EIS)
Maximum video resolution
1920 × 1080 (Full HD)
Supported resolutions and frame rates (FPS)
1080p (Full HD) 30fps
Charging and battery life
Battery capacity
4,025 mAh
Replaceable battery
No
Memory and performance
Storage
128 GB
Computer memory (RAM)
8 GB
Memory card type
Does not support
Processor tag
MediaTek
Processor designation
MediaTek MT6771 (Helio P60)
Number of processor cores
8 ×
Processor frequency
2.1 GHz (2,100 MHz)
Graphic accelerator
Mali G72 MP3
Communication and network
Wireless technology
WiFi, Bluetooth, GPS, A-GPS
Data services
LTE (4G), UMTS/CDMA (3G), GSM/GPRS (2G)
Primary SIM card type
Nano SIM
Secondary SIM Card Type
Nano SIM
Connectors and sensors
Sensors
Digital Compass (magnetic sensor), Motion sensor (accelerometer, G-sensor), Gyroscope, Proximity sensor
Package contents
Accessories Included
Charger (adapter with cable), Headphones, Cover, Screen Protector
Software
Operating system
Android
Operating system version
Android 9.0 Pie
Extension
Color OS
Brand/model of mobile phone
Telephone brand
Oppo
Model of mobile phone
A91
