OPPO A31 (CPH2015/CPH2073/CPH2075) Parameter List

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1. Name

Marketing name  OPPO A31  
Model CPH2015/CPH2073/CPH2075
Marketing date 2020/2/15

2. Screen

Screen size 6.517 inch
Screen proportion 20:9 "
Screen texture TFT-LCD
Upper frame 2.44mm
Left & Right frame 1.98mm
Lower frame 6.6mm
Screen ratio 89.00%
Screen resolution 720*1600
Color gamut 71%NTSC
Screen PPI 269ppi
Color contrast 1500:1 "
Color saturation 70%
Screen color 16M
Maximum screen brightness 480nit
Type of touch panel  capacitive touch screen
Touch panel technology in-cell
Glass type of touch panel  Corning 3 generation glass
Multi-touch 10 
Screen protector film type SRF 2.5D
Oleophobic layer NO
Oleophobic layer on film NO
Screen refresh rate 60Hz
Touch sampling rate 120HZ
TÜV Rheinland eye comfort certification YES
No stroboscopic eye protection YES

3. Mobile network

Antenna SISO
VoLTE Yes
Operator support VoLTE Taiwan:  Chunghwa, FarEasTone, TW Mobile, T Star, APT GT
Singapore:  SingTel, StarHub, M1, TPG 
Poland: Play
Turkey: Turkcell, Vodafone, Turk Telekom, Megafon, MTS
Romania:    Orange
Indonesia:  Smartfren
Vietnam:    Viettel, Vietnamobile
Philippines:    Globe, Smart
Thailand:   DTAC, TRUE-H, AIS
Malaysia: Digi, Yes 4G - YTL (only 4G), Unifi - P1/Webe(仅4G), celcom
Cambodia: Smart Axiata, Seatel
India: Vodafone, Airtel, Reliance Jio 4G (仅4G), Idea
Myanmar: Telenor, MyTel
Sri Lanka: Dialog, Mobitel
Pakistan: ZONG
United Arab Emirates: etisalat
Saudi Arabia: STC, Zain KSA
Qatar: VDF, Ooredoo
Egypt: etisalat
Kenya: Safaricom
Mexico: Telcel, AT&T
Link boost High-speed rail mode, elevator mode, SLA polymorphic network acceleration
4G data rate Uplink: 75Mbps ; Downlink: 150Mbps
Network mode GSM,WCDMA,TD-LTE,LTE FDD 
Network data GPRS,EDGE,HSPA+,WCDMA,TD-LTE,LTE FDD
Network band Asia Pacific Lite :
GSM: 850/900/1800/1900MHz
WCDMA: Bands 1/5/8
FDD-LTE: Bands 1/3/5/8
TD-LTE: Bands 38/40/41 
Asia Pacific :
GSM: 850/900/1800/1900MHz
WCDMA: Bands 1/5/8
FDD-LTE: Bands 1/3/5/7/8
TD-LTE: Bands 38/40/41                           
All nets:
GSM: 850/900/1800/1900MHz
WCDMA: Bands 1/5/8
FDD-LTE: Bands 1/3/5/7/8/20/28
TD-LTE: Bands 38/40/41
B41:2535-2655MHz
ID
GSM: 900/1800MHz
WCDMA: 900/2100MHz
LTE FDD: Bands 1/3/5/8
LTE TDD: Band 40
MX
GSM: 850/900/1800/1900MHz
WCDMA: Bands 1/2/4/5/8
FDD-LTE: Bands 1/2/3/4/5/7/8/28/66
TD-LTE: Bands 38/41(2535-2655MHz)

4. OS function

Android version Android 9
ColorOS  version ColorOS 6.1.2
Split screen YES
Picture in picture YES
Built-in APPs (Three part) Google Suite
Google News
Google Pay
Gboard
Facebook
Facebook Stub
FB Installer, FB Manager, FBNS
OPPO Chrome
Opera
Google Chrome
Opera News
WPS Office
Amazon
DailyHunt
Gaana
Helo
Lazada
Webnovel
Babe
Baca Plus
JT Express
VN Ngay Nay
Zalo
Zing MP3
Bao Moi
Yandex App
Yandex Browser
iQIYI
Trip.com
Aqua Mail
Office Suite
Daraz/Shop
Apps with game boost(popular games) YES
Game support PUBG:
Picture quality: smooth 
frame:Middle
App can be deleted Calculator, compass, notes, etc.
App can't be deleted Calendar, Clock, Photo Album, File Manager, etc.
Original pictures Yes
Original music Yes
Google lens Yes
Data backup Yes
Built-in browser  OPPO Browser(ID/IN/VN/TH)
Opera/Chrome Browser
E-mail Yes
Oshare( Indian phone numbers' recognition) Support OPPO Mutual communication, but there is no phone number recognition for India
Other features Face Unlock, Music Party
Apps lock Yes
Office tools TXT format is supported. Supported software: Quick Office,Adobe PDF
Firewall Support Call/Message Firewall
Files Zip/Unzip Yes
File encryption Yes
Others ——
5. SoC
CPU platform MT6765V/CB
Baseband Strcuture 4(Cortex-A53L)+4(Cortex-A53LL)   12nm
CPU frequency 4*1.8GHz+4*2.3GHz
CPU core Octa-Core
Processor bits 64位
GPU Model IMG GE8320
Process 12nm
AI NA

6. Battery & charging

Battery capacity 4100mAh (rated value)
4230mAh (typical value)
Battery mode BLP763 polymer lithium ion battery
Energy density 696Wh/L
Theoretical audio playing duration 35h
Theoretical calling duration Max GSM:45 hours;WCDMA:33hours
Video playing duration(theoretical ) 8h
Theoretical standby duration Max 450Hours
Flash Charging No
Charging breathing light No
Wireless charging No
Full charge duration 3h
Flash charging suitable temperature No
Standard charger model OP52CAEH/OP52KAEH/OP52JAEH/OP52CAED/OP52CCIN/OP52GCIN/OP52GCIH/OP52JCIH/OP52CCIH/OP52JAYH/OP52KAYH/OP52JAUH/OP52JAUH/OP52YAUH/OP52KAUH/OP52JBUH/OP52CAPH/OP52CAYH
Reverse charging No
Standard charger power 10W

7. Other Hardware

Middle frame material plastic
Screen/back cover including frame Yes
Heat dissipation graphite sheet
Back cover material plastic
Back cover process High gloss spraying process, matte spraying process
Back cover film No
oleophobic layer of back cover No
Speaker 1,lower right corner
Type of speaker No
Dual-MIC noise suppression 1mic
USB jack Micro usb
Pin number (USB) 5
Navigation keys No navigation buttons, support screen virtual buttons for gesture navigation operation
Earphone jack 3.5mm
Fingerprint rear-mounted
Fingerprint unlock time 400ms(screen off),  215ms(bright screen)
Face recognition Yes
Face unlock time  860ms(screen off),  740ms(bright screen)
Fingerprint payment (payment App) Wechat、Alipay
Facial payment No
Vibration motor Rotor motor

8. Front Camera

Camera structure waterdrop front camera
Sensor type CMOS
Pixel 8MP
Sensor size/pixel size  1/4', 1.12um
Focal length 2.75mm
Wide angle of front lens 79°
Flash No
Soft light No
Flashlight aperture f/2.0
Lens structure 5P
Focusing type fixed-focus
Optical focusing No
Stabilizer No
Lens glass material Corning 3 generation glass

9. Rear Camera

Pixel 12MP + 2MP+2MP
Sensor sizes/pixel size Main camera 1/2.86', 1.25um
Sensor type CMOS
Optical focusing No
Zoom mode 6x digital zoom
Aperture main camera:f/1.8 portrait:f/2.4 Macro:f/2.4
Focal length main camera4.05mm 
sub-camera 1.77mm
Wide angle Main camera:75°  Portrait:88.8°  Macro:88.8°
Flash light Rear LED Monochrome Temperature Single Light
Lens structure Main camera: 5p, portrait camera: 3p, macro camera: 3p
Focusing method CDAF + PDAF
Consecutive shooting 20 
Macro lens 4cm
Stabilizer NA
Lens glass material Corning 3 generation glass
Camera composition main camera +macro + portrait

10. Image

Photograph mode PHOTO, VIDEO,EXPERT, PANO, PORTRAIT, NIGHT, TIME-LAPSE, SLO-MO,Google Smart Lens(connected to the Internet and jump to Google's third-party application instead of OPPO Camera shooting) etc.
Characteristic function for photograph Filter, ,Beauty, Blur
Photo Size (front camera) 3264x2448
Photo Size (rear camera) 4096x3072
Video Rear camera:1080P@30fps,720P@30fps
Front camera:1080P@30fps,720P@30fps
Rear camera:1080P@30fps,Front camera:720P@30fps
Video format MP4
Fill light for shooting video No
Slow-motion video Yes
Stabilizer No
Ultra-clear mode No
Shooting mothod Touch screen shooting / Volume key shooting / Gesture shooting / Screen virtual button shooting
AI scene recognition No

11. Basic Function

Single channel, dual channel Single channel
Volte Yes
Voice call solution If VoLTE is enabled, it is VoLTE; if not, it is CSFB
Call history limit 3000
Video call Yes
Earphone answering Yes
Call recording Yes
Recording file format Mp3
Recording save location File Management - Phone Storage - All Files-Recordings
Automatic call recording Yes
Fast dial  Yes
Caller avatar Yes
Call background Yes
SIM card contact import and export Yes
Contacts Capacity According to the size of the phone storage space
Blacklist limit of contact According to the size of the phone storage space
Contact list format vcard csv
Contact grouping Yes
Group customization Yes
SMS group sending limit 200
SMS blacklist limit According to the size of the phone storage space
SMS capacity According to the size of the phone storage space
SMS words limit 1530 English characters (Chinese will be less than 1530 due to encoding reasons), if it exceeds, it will be automatically converted into MMS
Single MMS capacity 300K
Timing Message send  According to the size of the phone storage space
Import/Export Messages Yes
Storage limit of MMS According to the size of the phone storage space

12. Local files

Video format MP4/3GP/ASF/AVI/FLV/M2TS/MKV/MPG/TS/WEBM/WMV
Sound effect Dirac
Hi-Fi No
Audio decoding chip integrated chip
Audio format AAC/APE/FLAC/AMR/MID/MP3/OGG/WAV/WMA/MKA
Audio certification standard No
Browsefile formats txt,pdf,word,excel,ppt
Image format JPG/BMP/PNG/GIF/HEIC

13. Wireless connection

SIM card type Nano-SIM card
SIM tray material Nano-USIM card
Bluetooth version Bluetooth 5.0
Bluetooth codec SBC、APTX、APTX HD、LDAC
Bluetooth profile HFP HSP A2DP AVRCP HID  PAN OPP MAP PBAP GATT
WLAN WLAN 2.4G,  WLAN 5.1G , WLAN 5.8G ,  WLAN Display
/
WLAN protocol 802.11a/b/g/n/ac
Hotspot Yes
Limit number of connection of hotspot 10 
WLAN Display Yes
NFC No
USB  USB 2.0
GPS Built-in GPS,A-GPS, Beidou, Glonass
Dual-frequency GPS No
Map software Yes
Sensor Geomagnetic sensor, light sensor, proximity sensor, acceleration sensor, gravity sensor,  support step counting function
Infrared remote control No

14. Other Function

Window-view mode Yes
Record Format mp3/amr
Weather widget Yes
Clock widget Yes
Music widget Yes
Three part software widget Yes
FM Yes
Breathing light No
Gesture operation Screen-off Gestures, Smart  Call, Raise toTurn On Screen, 3-Finger Screenshot
Pedometer Yes
Split Screen Yes
Eye protection mode Yes
Clone App Yes
Banner call Yes
Game boost Yes
Fingerprint reset password Yes
Application encryption method Digital password, pattern password, fingerprint encryption, face password
Power button to end the call Yes
Kids Space Yes
TXT Input Yes
Support HD Yes
Ringtone Format MP3/AMR/APE/OGG/FLAC/WAV/MIDI/WMA
Webpage Video Play Yes
World Time Yes
Dual-Wi-Fi No
Water proof IPX4
SAR CE:
Head SAR:1.170W/kg
Body SAR:0.948W/kg
IN:
1. 107W/kg (1g)
0. 532W/kg (1g)
Voice changer in game Yes
HDMI screening No
OSIE ultra clear visual effect No
Flashlight Yes
Lock screen clock Yes
Hall Sensor/Window-view mode No
OPPO Share Yes
E-compass Yes
Mobile High-Definition Link (MHL)  No
E-book Yes
Screen recording Yes
Background freeze (Pure background) Yes

15. Package List

Packing list Handset x1
Headsetx1
USB cable x1
Adapter x1
SIM card pinx1
Protect casex1
Quick Guidex1
Warranty Cardx1
SIM card pin Yes
Protective cover material PC+TPU+PU
Protective shell soft/hard/transparent Soft shell, transparent
Protective Film(Screen) Yes
Charging cable length, color 1m, white
TF card No
Plastic seal Yes
Earphone model MH156
Earphone standard American-Standard
Speaker size of earphone Φ 14.2 diameter
Rated power of earphone 5mW
Frequency range of earphone 20Hz-20kHz
Earphone sensitivity 114±3dB
Earphone resistance 55 ohm
Wire control of earphone Yes
Wake-up voice assistant via earphone Does not support awakening the voice assistant through the earphone's MIC, supports long press the button on the earphone to call up the voice assistant
Volume control via earphone No
Change songs via earphone Support: double click the key on the MIC case to switch to the next song
Earphone monitor Yes


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