Features

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General
In The Box Handset, Power Adapter, USB Data Cable, Warranty Card, GeView More... Handset, Charger, Battery, Headset, USB Cable, User GuideView More... Handset, Battery, Charger, Earphone, User Manual 
Model Number MZB7186IN  Q409  K9 Smart Yuva 4G VoLTE 
Model Name Redmi Go  Spark 4G  K9 Smart Yuva 4G VoLTE 
Color Blue  Black  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 No  No  No 
Sound Enhancements Speaker: Single (Bottom Opening), 2 Microphones (for NoisView More...
SAR Value India SAR 1g limit: 1.6W/Kg, Head SAR: 0.796W/Kg (0mm sepView More...
Display Features
Display Size 12.7 cm (5.0 inch)  12.7 cm (5.0 inch)  12.7 cm (5 inch) 
Resolution 1280 x 720 Pixels  854 x 480 pixels  854 x 480 pixels 
Resolution Type HD  FWVGA 
GPU Adreno 308  ARM Mali-T720 MP1 450 MHz 
Display Type FWVGA 
Other Display Features TFT LCD Technology, Contrast Ratio: 1000:1, NTSC Ratio: 7View More... 2-points Multitouch, Video Resolution: 640 x 480 Pixels 
OS & Processor Features
Operating System Android Oreo 8.1  Android Marshmallow 6  Android Nougat 7 
Processor Type Qualcomm Snapdragon 425  1.0GHz Quadcore MTK6735M 
Processor Core Quad Core  Quad Core  Quad Core 
Primary Clock Speed 1.4 GHz  1.0 GHz  1.3 GHz 
Operating Frequency GSM: B2, B3, B5, B8, WCDMA: B1, B2, B5, B8, 4G LTE-TDD: BView More...
Memory & Storage Features
Internal Storage 8 GB  8 GB  8 GB 
RAM 1 GB  1 GB  1 GB 
Expandable Storage 128 GB  32 GB  32 GB 
Supported Memory Card Type MicroSD  MicroSD  MicroSD 
Memory Card Slot Type Dedicated Slot  Dedicated Slot  Dedicated Slot 
Call Log Memory Yes
Phone Book Memory Yes
SMS Memory Yes
Camera Features
Primary Camera Available Yes Yes Yes
Primary Camera 8MP  5MP  5MP 
Primary Camera Features Aperture: f/2.0, 1.12 micrometer, 4P Lens  Auto Focus, Pixel Size: 1.12micrometer x 1.12micrometer, View More... Flash 
Secondary Camera Available Yes Yes Yes
Secondary Camera 5MP  2MP  2MP 
Secondary Camera Features Aperture: f/2.2, 1.12 micrometer, AI Beautify  Fixed Focus, Pixel Size: 1.75micrometer x 1.75micrometer 
Flash Rear LED Flash  Rear Flash 
HD Recording Yes Yes
Full HD Recording Yes Yes
Video Recording Yes Yes Yes
Video Recording Resolution 1080p  3072 x 1728 Pixels 
Call Features
Phone Book Yes
Call Wait/Hold Yes
Conference Call Yes
Hands Free Yes
Video Call Support Yes Yes
Call Divert Yes
Speaker Phone Yes Yes
Speed Dialing Yes
Call Records Yes
Logs Yes
Connectivity Features
Network Type 4G VOLTE, 4G, 3G, 2G  4G VOLTE, 4G, 2G, 3G  4G VOLTE, 3G, 2G 
Supported Networks 4G VoLTE, 4G LTE, WCDMA, UMTS, GSM  4G VoLTE, 4G LTE, UMTS, GSM, WCDMA  4G VoLTE, GSM 
Internet Connectivity 4G, 3G, Wi-Fi  4G, 3G, Wi-Fi, GPRS, EDGE, WAP 
3G Yes Yes Yes
3G Speed HSDPA (Downlink Speed): 42 Mbps, HSUPA (Uplink Speed): 11View More...
Micro USB Port Yes Yes
Bluetooth Support Yes Yes
Bluetooth Version 4.1  4 
Wi-Fi Yes Yes Yes
Wi-Fi Version 802.11b/g/n  802.11 b/g/n 
Wi-Fi Hotspot Yes
USB Connectivity Yes Yes
Audio Jack 3.5mm  3.5 mm 
Map Support Google Maps  Google Maps 
GPS Support Yes Yes
GPRS Yes
WAP Yes Yes
EDGE Yes
EDGE Features Class 12 
GPRS Features Class 12 
Other Details
Smartphone Yes Yes
Touchscreen Type Capacitive 
SIM Size Dual Nano SIM  Micro SIM and Normal SIM 
SMS Yes Yes
SIM Access Dual Sim 
Sensors Ambient Light Sensor, Proximity Sensor, Accelerometer  Gravity Sensors, Proximity Sensor, Light Sensor, AcceleroView More...
Other Features Android Oreo (Go edition), Body: Plastic Unibody, ChargerView More... IFA Antenna, Battery: 4.35V, Browsing Time: 5 hrs, ChargeView More...
Graphics PPI 296 PPI 
Voice Input Yes
Instant Message Yes
JAVA Support Yes
Social Networking Phone Yes
Business Phone Yes
MMS Yes Yes
Predictive Text Input Yes
Browser WAP 
Supported Languages 20+ Regional Languages (Google Assistant in Hindi)  All Country Languages 
Multimedia Features
Audio Formats MP3, WAV, APE, WMV, OGG  MP3 
FM Radio Yes
FM Radio Recording Yes
Video Formats AVI, 3GP/3G2, MP4, FLV, MOV, MKV 
Battery & Power Features
Battery Capacity 3000 mAh  2200 mAh  2300 mAh 
Battery Type Aluminum Shell  Li-Ion 
Dimensions
Width 70.1 mm  72 mm 
Height 140.4 mm  145 mm 
Depth 8.35 mm  9.4 mm 
Weight 137 g  145 g 
Warranty
Warranty Summary Brand Warranty of 1 Year Available for Mobile and 6 MonthView More... Brand Warranty of 1 Year  1 Year 
Warranty Service Type Repair 
Covered in Warranty Manufacturer Warranty 
Not Covered in Warranty Damage 
Domestic Warranty 1 Year