Features

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General
In The Box Handset, Adapter, USB Cable, SIM Ejector Tool  Handset, Charger, USB Cable, User Guide  Handset, Charging Cable, SIM Ejector Tool, Warranty Card,View More... Handset, Non-removable Battery Included, Travel Adapter,  View More...
Model Number MDI4O  MZB4427IN  MZB7745IN  SM-M307FZKDINS
Model Name Mi Max 2  Mi 4i  Redmi Note 7S  Galaxy M30s
Color Black  Yellow  Sapphire Blue  Black
Browse Type Smartphones  Smartphones  Smartphones  Smartphones
SIM Type Dual Sim  Dual Sim  Dual Sim  Dual Sim
Hybrid Sim Slot Yes No  Yes No
Touchscreen Yes Yes Yes Yes
OTG Compatible Yes Yes Yes Yes
Quick Charging Yes
Sound Enhancements Dual Speakers  Speaker: Single (Bottom Opening), 2 Microphones (for NoisView More...
SAR Value 1.290 W/Kg 
Display Features
Display Size 16.36 cm (6.44 inch)  12.7 cm (5 inch)  16.0 cm (6.3 inch)  16.26 cm (6.4 inch)
Resolution 1920 x 1080 pixels  1920 x 1080 pixels  2340 x 1080 pixels  2340 x 1080$$Pixels
Resolution Type Full HD  Full HD  FHD+  Full HD
GPU Adreno 506  Adreno 405  Adreno 512 
Display Type IPS  IPS (In-cell), RD  Super AMOLED
Other Display Features Contrast Ratio: 1000:1  JDI Display, All New Sunlight Display, 441 PPI  Contrast Ratio: 1500:1 (Typical), 81.41% NTSC Ratio, GoriView More... Capacitive touchscreen
HD Game Support Yes
OS & Processor Features
Operating System Android Nougat 7.1.1  Android Lollipop 5.0.2  Android Pie 9.0  Android Pie 9.0
Processor Type Qualcomm Snapdragon 625 Octa Core 2 Ghz  2nd-gen Snapdragon 615 64-bit octa-core  Qualcomm Snapdragon 660 AIE  Exynos 9611
Processor Core Octa Core  Octa Core  Octa Core  Octa Core
Primary Clock Speed 2 GHz  1.7 GHz  2.2 GHz  2.3 GHz
Secondary Clock Speed 1.8 GHz 
Operating Frequency GSM - 850 / 900 / 1800 / 1900 MHz, WCDMA - 850 / 900 / 19View More... GSM - 850, 900, 1800, 1900; WCDMA - 2100; 4G: LTE (FDD) -View More... GSM: B2, B3, B5, B8, WCDMA: B1, B2, B5, B8, 4G LTE-TDD: BView More...
Memory & Storage Features
Internal Storage 64 GB  16 GB  32 GB  64 GB
RAM 4 GB  2 GB  3 GB  4 GB
Expandable Storage 128 GB  256 GB  512 GB
Supported Memory Card Type MicroSD  MicroSD  Micro SD
Memory Card Slot Type Hybrid Slot  Dedicated Slot  Hybrid Slot  Dedicated Slot
Call Log Memory Yes Yes Yes
Phone Book Memory Yes
SMS Memory Yes Yes
Camera Features
Primary Camera Available Yes Yes Yes Yes
Primary Camera 12MP  13MP  48MP + 5MP  48MP
Primary Camera Features Aperture: f/2.2, Lens Elements: 6p, PDAF  Integrated Flash Support, Supports Beautify, Refocus, f/2View More... 48MP (GM1) - F1.79, 1.6 micrometer (4 in 1), 6P Lens (48MView More... 48MP + 8MP + 5MP triple rear camera
Secondary Camera Available Yes Yes Yes Yes
Secondary Camera 5MP  5MP  13MP  16MP
Secondary Camera Features Aperture: f/2.0  f/1.8, 80 Degree Wide-angle View, HD (Front Facing CameraView More... F2.0 Aperture, 1.12 micrometer  16MP front facing camera
Flash Rear Flash  yes
HD Recording Yes Yes Yes
Full HD Recording Yes Yes Yes
Video Recording Yes Yes Yes
Video Recording Resolution 1920 x 1080  1920 x 1080 
Frame Rate 30 fps 
Image Editor Yes
Dual Camera Lens Primary Camera  Primary Camera
Call Features
Phone Book Yes Yes Yes
Call Wait/Hold Yes
Conference Call Yes
Video Call Support Yes
Call Divert Yes
Speaker Phone Yes
Speed Dialing Yes
Call Records Yes
Connectivity Features
Network Type 4G VOLTE, 3G, 2G  4G, 3G, 2G  3G, 4G VOLTE, 4G, 2G  4G VOLTE
Supported Networks 4G VoLTE, 4G VoLTE  4G LTE, 4G LTE  GSM, WCDMA, 4G VoLTE, 4G LTE  4G VoLTE, GSM
Internet Connectivity 4G, 3G, Wi-Fi  4G, 3G, Wi-Fi, GPRS, EDGE  4G, 3G, Wi-Fi  4G VoLte
3G Yes Yes Yes Yes
Pre-installed Browser Android  MIUI Browser, Chrome Browser, Android  Chrome
Bluetooth Support Yes Yes Yes Yes
Bluetooth Version 4.2  4.1  5.0 
Wi-Fi Yes Yes Yes Yes
Wi-Fi Version 802.11 a/b/g/n/ac  802.11 a/b/g/n/ac  802.11a/b/g/n/ac 
Wi-Fi Hotspot Yes
USB Connectivity Yes Yes Yes
Audio Jack 3.5 mm  3.5mm 
Map Support Google Maps  Google Maps  Google Maps  Yes
GPS Support Yes Yes Yes Yes
GPRS Yes Yes
EDGE Yes
USB Tethering Yes Yes
Other Details
Smartphone Yes Yes Yes Yes
SIM Size Micro SIM and Nano SIM  Micro SIM  Nano SIM + Nano SIM  Nano
Removable Battery No
SMS Yes Yes Yes
SIM Access Dual Standby  Dual standby (4G+4G)
Sensors Ambient Light Sensor, Proximity Sensor, E-compass, AcceleView More... Gyroscope, Light Sensor, Accelerometer, eCompass, ProximiView More... Rear Fingerprint Sensor, Ambient Light Sensor, Proximity View More... Accelerometer, Fingerprint Sensor, Gyro Sensor, Geomagnet View More...
Other Features Type C USB  WLAN Support, Wi-Fi Direct, Wi-Fi Tethering, Voice CallinView More... Clock Speed/Cores/Bits: 4 x Gold 2.2 GHz + 4 x Silver 1.8View More...
Keypad No
Graphics PPI 342 PPI  409 PPI 
Series M
Ringtones Format MP3
User Interface MiUi 8  MIUI 6  MIUI 10 
Instant Message Yes
JAVA Support No
Social Networking Phone Yes
Business Phone Yes
Predictive Text Input Yes
Browser Chrome
User Memory 12.77 GB 
Supported Languages English, Hindi
Java Application No
GPS Type A-GPS, GLONASS, BeiDou 
Multimedia Features
Audio Formats MP3  MP3  MP3
FM Radio Yes Yes
Video Formats HD
Battery & Power Features
Battery Capacity 5300 mAh  3030 mAh  4000 mAh  6000 mAh
Battery Type Li-Ion Polymer  Li-polymer  Lithium-ion
Dimensions
Width 88.7 mm  69.6 mm  75.21 mm  159 mm
Height 174.1 mm  138.1 mm  159.21 mm  9 mm
Depth 7.6 mm  7.8 mm  8.1 mm  75 mm
Weight 211 g  130 g  186 g  186 g
Warranty
Warranty Summary Brand Warranty of 1 Year Available for Mobile  Brand Warranty of 1 Year Available for Mobile and 6 MonthView More... Brand Warranty of 1 Year Available for Mobile and 6 MonthView More... 1 Year Manufacturer Warranty
Warranty Service Type Manufacturing Warranty
Covered in Warranty manufacturing defects
Not Covered in Warranty Physical Damage
Domestic Warranty 1 Year