Product
Oppo A31
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Battery
Charging - 10W wired
Type Li-Po 4230 mAh Li-Po 5000 mAh
Body
Build Glass front (Gorilla Glass 3), plastic back, plastic frame -
Dimensions 163.9 x 75.5 x 8.3 mm (6.45 x 2.97 x 0.33 in) 164.9 x 77.1 x 9 mm (6.49 x 3.04 x 0.35 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 180 g (6.35 oz) 194 g (6.84 oz)
  - Water-repellent coating
Comms
Bluetooth 5.0, A2DP, LE 5.0, A2DP, LE
NFC No No
Positioning GPS, GLONASS, BDS GPS, GLONASS, BDS
Radio FM radio FM radio
USB microUSB 2.0, OTG microUSB 2.0, OTG
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct
Display
Protection Corning Gorilla Glass 3 -
Resolution 720 x 1600 pixels, 20:9 ratio (~270 ppi density) 720 x 1600 pixels, 20:9 ratio (~269 ppi density)
Size 6.5 inches, 102.0 cm2 (~82.4% screen-to-body ratio) 6.53 inches, 102.9 cm2 (~81.0% screen-to-body ratio)
Type IPS LCD, 480 nits (typ) IPS LCD, 400 nits (typ)
Features
Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass Accelerometer, proximity
Launch
Announced 2020, February 13 2021, September 28
Status Available. Released 2020, February 14 Available. Released 2021, September 28
Main Camera
Features LED flash, HDR, panorama LED flash, HDR
Single - 13 MP, f/2.2, 28mm (wide), 1.0µm, PDAF
Triple 12 MP, f/1.8, (wide), 1/2.86", 1.25µm, PDAF 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) -
Video 1080p@30fps 1080p@30/60fps
Memory
Card slot microSDXC (dedicated slot) microSDXC (dedicated slot)
Internal 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM 32GB 2GB RAM, 32GB 3GB RAM
  eMMC 5.1 eMMC 5.1
Misc
Colors Fantasy White, Mystery Black, Lake Green Carbon Black, Coral Green, Metallic Blue
Models CPH2015, CPH2073, CPH2081, CPH2029, CPH2031 -
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 2100 - International HSDPA 850 / 900 / 2100
4G bands 1, 3, 5, 7, 8, 20, 28, 38, 40, 41 - International 1, 3, 5, 8, 40, 41
Speed HSPA, LTE HSPA, LTE
Technology GSM / HSPA / LTE GSM / HSPA / LTE
  1, 3, 5, 7, 8, 38, 40, 41 - Asia -
Platform
Chipset Mediatek MT6765V/CB Helio P35 (12 nm) Mediatek MT6762G Helio G25 (12 nm)
CPU Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) Octa-core (4x2.0 GHz Cortex-A53 & 4x1.5 GHz Cortex-A53)
GPU PowerVR GE8320 PowerVR GE8320
OS Android 9.0 (Pie), ColorOS 6.1 Android 10, MIUI 12
Selfie camera
Features HDR HDR
Single 8 MP, f/2.0, (wide), 1/4.0", 1.12µm 5 MP, f/2.2, (wide), 1.12µm
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes
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