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2. Coolpad Mega 5A 16GB
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4. Redmi Go 8GB
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6. Karbonn K9 Smart Yuva 8GB
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General

In The Box	Handset, User Manual, Battery, charging cable with adapterView More...	Handset, Power Adapter, USB Data Cable, Warranty Card, Getting Started Guide, SIM Ejector PinView More...	Handset, Battery, Charger, Earphone, User Manual
Model Number	1821	MZB7186IN	K9 Smart Yuva 4G VoLTE
Model Name	Mega 5A	Redmi Go	K9 Smart Yuva 4G VoLTE
Color	Champagne Gold	Blue	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
Additional Content	Ejection pin
Sound Enhancements		Speaker: Single (Bottom Opening), 2 Microphones (for Noise Cancellation)View More...
SAR Value		India SAR 1g limit: 1.6W/Kg, Head SAR: 0.796W/Kg (0mm separation), Body SAR value: 0.613W/Kg (15mm separation)View More...

Display Features

Display Size	13.89 cm (5.47 Inch)	12.7 cm (5.0 inch)	12.7 cm (5 inch)
Resolution	1440 x 720 pixels	1280 x 720 Pixels	854 x 480 pixels
Resolution Type	HD	HD	FWVGA
GPU		Adreno 308
Other Display Features		TFT LCD Technology, Contrast Ratio: 1000:1, NTSC Ratio: 72% (Typical)View More...

OS & Processor Features

Operating System	Android Oreo 8.1	Android Oreo 8.1	Android Nougat 7
Processor Type		Qualcomm Snapdragon 425
Processor Core	Quad Core	Quad Core	Quad Core
Primary Clock Speed	1.3 GHz	1.4 GHz	1.3 GHz
Operating Frequency		GSM: B2, B3, B5, B8, WCDMA: B1, B2, B5, B8, 4G LTE-TDD: B40, B41, 4G LTE-FDD: B1, B3, B5, B8View More...

Memory & Storage Features

Internal Storage	16 GB	8 GB	8 GB
RAM	2 GB	1 GB	1 GB
Expandable Storage		128 GB	32 GB
Supported Memory Card Type		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	8MP	5MP
Primary Camera Features		Aperture: f/2.0, 1.12 micrometer, 4P Lens	Flash
Secondary Camera Available	Yes	Yes	Yes
Secondary Camera	5MP	5MP	2MP
Secondary Camera Features		Aperture: f/2.2, 1.12 micrometer, AI Beautify
Flash	yes	Rear LED Flash
HD Recording		Yes
Full HD Recording		Yes
Video Recording		Yes	Yes
Video Recording Resolution		1080p
Optical Zoom	Yes
Dual Camera Lens	Primary Camera

Call Features

Phone Book			Yes
Call Wait/Hold			Yes
Conference Call			Yes
Hands Free			Yes
Video Call Support			Yes
Call Divert			Yes
Speaker Phone			Yes
Call Records			Yes
Logs			Yes

Connectivity Features

Network Type	4G VOLTE	4G VOLTE, 4G, 3G, 2G	4G VOLTE, 3G, 2G
Supported Networks	4G VoLTE, GSM	4G VoLTE, 4G LTE, WCDMA, UMTS, GSM	4G VoLTE, GSM
Internet Connectivity		4G, 3G, Wi-Fi
3G		Yes	Yes
Micro USB Port		Yes
Bluetooth Support		Yes
Bluetooth Version		4.1
Wi-Fi		Yes	Yes
Wi-Fi Version		802.11b/g/n
Wi-Fi Hotspot			Yes
USB Connectivity		Yes
Audio Jack		3.5mm	3.5 mm
Map Support		Google Maps
GPS Support	Yes	Yes
WAP			Yes

Other Details

Smartphone	Yes	Yes	Yes
SIM Size		Dual Nano SIM
Removable Battery	No
SMS			Yes
SIM Access			Dual Sim
Sensors		Ambient Light Sensor, Proximity Sensor, Accelerometer
Other Features		Android Oreo (Go edition), Body: Plastic Unibody, Charger: 5V/1A, 28nm Processor, ROM Technology: eMMC 5.1, Micro-B, Smart Scene Selection, Dual Pyrolytic Graphite SheetsView More...
Keypad	No
Graphics PPI		296 PPI
Voice Input			Yes
Instant Message			Yes
Social Networking Phone			Yes
Business Phone			Yes
MMS			Yes
Browser			WAP
Supported Languages		20+ Regional Languages (Google Assistant in Hindi)

Multimedia Features

Audio Formats

MP3

Battery & Power Features

Battery Capacity	2500 mAh	3000 mAh	2300 mAh
Battery Type			Li-Ion
Dual Battery	No

Dimensions

Width		70.1 mm
Height		140.4 mm
Depth		8.35 mm
Weight		137 g

Warranty

Warranty Summary	12 Months Warranty	Brand Warranty of 1 Year Available for Mobile and 6 Months for AccessoriesView More...	1 Year
Warranty Service Type	12 Month Brand Warranty		Repair
Covered in Warranty			Manufacturer Warranty
Not Covered in Warranty			Damage
Domestic Warranty			1 Year