Features

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General
In The Box Handset, Adapter, USB Cable, Sim Eject Tool, User Guide, View More... 1 Device Unit, Charger & User Guide  Handset, Battery, Charger, Earphone, User Manual 
Model Number M1805D1S/M1804C3CI  Cool 3  K9 Smart Yuva 4G VoLTE 
Model Name Redmi 6A  Cool 3  K9 Smart Yuva 4G VoLTE 
Color Gold  RubyBlack, Red  Black & Champagne 
Browse Type Smartphones  Smartphones  Smartphones 
SIM Type Dual Sim  Dual Sim  Dual Sim 
Hybrid Sim Slot No  No  No 
Touchscreen Yes Yes Yes
OTG Compatible Yes No  No 
Quick Charging No  No 
Additional Content Handset, Removable Battery, Travel charger, USB cable, PrView More...
Display Features
Display Size 13.84 cm (5.45 inch)  14.48 cm (5.7 inch)  12.7 cm (5 inch) 
Resolution 720 x 1440 Pixels  1080*2080  854 x 480 pixels 
Resolution Type HD  HD+  FWVGA 
Display Type HD 
Display Colors 16M 
HD Game Support Yes
OS & Processor Features
Operating System Android Oreo 8.1  Android Pie 9  Android Nougat 7 
Processor Type Mediateck  SC9863 
Processor Core Quad Core  Octa Core  Quad Core 
Primary Clock Speed 2 GHz  1.6 GHz  1.3 GHz 
Secondary Clock Speed 1.6 GHz 
Memory & Storage Features
Internal Storage 32 GB  16 GB  8 GB 
RAM 2 GB  2 GB  1 GB 
Expandable Storage 128 GB  128 GB  32 GB 
Supported Memory Card Type MicroSD  Micro SD  MicroSD 
Memory Card Slot Type Dedicated Slot  Dedicated Slot  Dedicated Slot 
Call Log Memory Yes Yes
Phone Book Memory Yes
SMS Memory Yes
Hot SWAP Support Yes
Camera Features
Primary Camera Available Yes Yes Yes
Primary Camera 13MP  8MP  5MP 
Primary Camera Features 8MP & 0.3MP Dual Camera  Flash 
Secondary Camera Available Yes Yes
Secondary Camera 5MP  2MP 
Secondary Camera Features Fromt : 5MP 
Flash yes  yes 
HD Recording Yes
Full HD Recording Yes
Video Recording Yes Yes
Optical Zoom Yes
Dual Camera Lens Primary Camera 
Digital Zoom Yes
Call Features
Phone Book No  Yes Yes
Call Wait/Hold Yes Yes
Conference Call Yes Yes
Hands Free Yes Yes
Video Call Support Yes Yes
Call Divert Yes Yes
Call Timer Yes
Speaker Phone Yes Yes
Speed Dialing Yes
Call Records Yes
Logs Yes Yes
Connectivity Features
Network Type 4G VOLTE, 3G, 2G  4G VOLTE  4G VOLTE, 3G, 2G 
Supported Networks 4G VoLTE, GSM  4G VoLTE  4G VoLTE, GSM 
Internet Connectivity 4G  Yes
3G No  Yes Yes
Micro USB Port Yes Yes
Bluetooth Support Yes Yes
Wi-Fi Yes Yes Yes
Wi-Fi Hotspot Yes Yes Yes
USB Connectivity Yes
Audio Jack 3.5 mm  3.5mm  3.5 mm 
Map Support Google Map 
GPS Support Yes Yes
GPRS Yes
WAP Yes Yes
NFC No 
Mini HDMI Port No 
USB Tethering Yes Yes
Infrared No 
TV Out No 
Other Details
Smartphone Yes Yes Yes
Touchscreen Type HD+  Yes
SIM Size Nano  Nano 
Removable Battery Yes No 
SMS Yes Yes Yes
SIM Access Dual Sim 
Sensors Ambient light sensor,, proximity sensor, accelerometer seView More... faceunlock & Finger Print 
Other Features 2 GB RAM | 32 GB ROM | Expandable Upto 128 GB | 13.84 cm View More...
Keypad No  No 
Voice Input Yes Yes
Series Redmi  Cool 
Ringtones Format MP3 
Instant Message Yes Yes Yes
JAVA Support No 
Social Networking Phone Yes Yes
Business Phone Yes Yes Yes
MMS Yes Yes Yes
Predictive Text Input Yes Yes
Browser Chrome  WAP 
Upgradable Operating System 9 
Mobile Tracker No 
Keypad Type Alphanumeric  Alphanumeric 
User Memory 24  16 
Supported Languages English & Hindi 
Java Application No 
Games Yes
Multimedia Features
Audio Formats MP3  MP3 
FM Radio No 
DLNA Support Yes
Battery & Power Features
Battery Capacity 3000 mAh  3000 mAh  2300 mAh 
Battery Type Li-Ion  Lithium Polymer  Li-Ion 
Dual Battery No  No 
Talk Time 7 hr 
Dimensions
Width 145.7 mm 
Height 71.9 mm 
Depth 8.3 mm 
Weight 440 g 
Warranty
Warranty Summary 1 Year Manufacturer Warranty  1 Year  1 Year 
Warranty Service Type MANUFACTURER WARRANTY  Repair 
Covered in Warranty manufacturing defects  Manufacturer Warranty 
Not Covered in Warranty Damage 
Domestic Warranty 1 Year  1 Year  1 Year 
International Warranty 1 Year