Home   /   smartphones  /   Oppo  /  Oppo A31

Oppo A31

Price: $
Width 65.54 mm (millimeters), 6.55 cm (centimeters), 0.22 ft (feet), 2.58 in (inches)
Height 131.9 mm (millimeters), 13.19 cm (centimeters), 0.43 ft (feet), 5.19 in (inches)
Thickness 8.03 mm (millimeters), 0.8 cm (centimeters), 0.03 ft (feet), 0.32 in (inches)
Weight 135 g (grams), 0.3 lbs (pounds), 4.76 oz (ounces)
Volume 69.42 cm³ (cubic centimeters), 4.22 in³ (cubic inches)
Colors White, Blue
Body materials Glass, Aluminium alloy
Brand and model
Brand Oppo
Model A31
SIM card
SIM card type Micro-SIM (3FF - third form factor, since 2003, 15.00 x 12.00 x 0.76 mm), Nano-SIM (4FF - fourth form factor, since 2012, 12.30 x 8.80 x 0.67 mm)
Number of SIM cards 2
Features Dual SIM stand-by (Both cards are active. When one is busy, the other is not active)
System on Chip (SoC)
SoC Qualcomm Snapdragon 410 MSM8916
Process technology 28 nm (nanometers)
CPU ARM Cortex-A53
CPU bits 64 bit
Instruction set ARMv8
Level 0 cache memory (L0) 4 KB + 4 KB (kilobytes)
Level 1 cache memory (L1) 16 KB + 16 KB (kilobytes)
Level 2 cache memory (L2) 2048 KB (kilobytes), 2 MB (megabytes)
CPU cores 4
CPU frequency 1200 MHz (megahertz)
GPU Qualcomm Adreno 306
GPU frequency 400 MHz (megahertz)
RAM capacity 1 GB (gigabytes)
RAM channels Single channel
RAM frequency 533 MHz (megahertz)
Capacity 2000 mAh (milliampere-hours)
Type Li-Ion
2G talk time 7 h (hours), 420 min (minutes), 0.3 days
2G stand-by time 240 h (hours), 14400 min (minutes), 10 days
3G talk time 7 h (hours), 420 min (minutes), 0.3 days
3G stand-by time 240 h (hours), 14400 min (minutes), 10 days
Features Non-removable
Type/technology IPS
Diagonal size 4.5 in (inches), 114.3 mm (millimeters), 11.43 cm (centimeters)
Width 2.2 in (inches), 56 mm (millimeters), 5.6 cm (centimeters)
Height 3.92 in (inches), 99.64 mm (millimeters), 9.96 cm (centimeters)
Aspect ratio 1.779:1
Resolution 480 x 854 pixels
Pixel density 218 ppi (pixels per inch), 85 ppcm (pixels per centimeter)
Color depth 24 bit, 16777216 colors
Display area 64.76 % (percent)
Other features Capacitive, Multi-touch
Connector type Micro USB
Version 2.0
Features Charging, Mass storage, On-The-Go
Primary camera
Sensor model Sony IMX179 Exmor R
Sensor type CMOS (complementary metal-oxide semiconductor)
Sensor size 4.54 x 3.42 mm (millimeters), 0.22 in (inches)
Pixel size 1.391 µm (micrometers), 0.001391 mm (millimeters)
Crop factor 7.61
Aperture f/2.2
Flash type LED
Image resolution 3264 x 2448 pixels, 7.99 MP (megapixels)
Video resolution 1920 x 1080 pixels, 2.07 MP (megapixels)
Video FPS 30 fps (frames per second)
Features Autofocus, Continuous shooting, Digital zoom, Digital image stabilization, Geotagging, Panorama, HDR, Touch focus, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode
Memory cards
Types microSD, microSDHC, microSDXC
Browser HTML, HTML5, CSS 3
Radio No
GSM GSM 850 MHz, GSM 900 MHz, GSM 1800 MHz, GSM 1900 MHz
TD-SCDMA TD-SCDMA 1880-1920 MHz, TD-SCDMA 2010-2025 MHz
LTE LTE-TDD 1900 MHz (B39), LTE-TDD 2300 MHz (B40), LTE-TDD 2500 MHz (B41), LTE-TDD 2600 MHz (B38)
Version 4.0
Features A2DP (Advanced Audio Distribution Profile)
Storage 8 GB (gigabytes)
Connectivity Computer sync, OTA sync, Tethering
Video file formats/codecs
Video file formats/codecs 3GPP (3rd Generation Partnership Project, .3gp), AVI (Audio Video Interleaved, .avi), Flash Video (.flv, .f4v, .f4p, .f4a, .f4b), MKV (Matroska Multimedia Container, .mkv .mk3d .mka .mks), QuickTime (.mov, .qt), WMV (Windows Media Video, .wmv)
Speaker Loudspeaker, Earpiece
Sensors Proximity, Light, Accelerometer, Compass
Wi-Fi 802.11a (IEEE 802.11a-1999), 802.11b (IEEE 802.11b-1999), 802.11g (IEEE 802.11g-2003), 802.11n (IEEE 802.11n-2009), Wi-Fi Hotspot, Wi-Fi Display
Operating system
Operating system (OS) ColorOS 2.0.1 (Android 4.4 KitKat)
Headphone jack
Headphone jack Yes
Audio file formats/codecs
Audio file formats/codecs AAC (Advanced Audio Coding), AMR / AMR-NB / GSM-AMR (Adaptive Multi-Rate, .amr, .3ga), FLAC (Free Lossless Audio Codec, .flac), MIDI, MP3 (MPEG-2 Audio Layer II, .mp3), OGG (.ogg, .ogv, .oga, .ogx, .spx, .opus), WMA (Windows Media Audio, .wma), WAV (Waveform Audio File Format, .wav, .wave)
Secondary camera
Image resolution 1600 x 1200 pixels, 1.92 MP (megapixels)
Tracking/Positioning GPS, A-GPS
Mobile network technologies and bandwidth
Mobile network technologies EDGE, GPRS, LTE Cat 4 (51.0 Mbit/s , 150.8 Mbit/s ), TD-SCDMA, TD-HSDPA