Features

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General
In The Box Handset, Charger, USB Cable, User Guide  Handset, Charger, User Manual, Warranty Card, Max-Box, SiView More... Handset, Charging Cable, SIM Ejector Tool, Warranty Card,View More... Handset, Power Adapter, USB Data Cable, Ultra Thin Case,  View More...
Model Number MZB4427IN  ZB601KL-4A010IN / ZB601KL-4A020IN  MZB7745IN  MZB6876IN
Model Name Mi 4i  Zenfone Max Pro M1  Redmi Note 7S  Redmi Note 6 Pro
Color Yellow  Black  Sapphire Blue  Black
Browse Type Smartphones  Smartphones  Smartphones  Smartphones
SIM Type Dual Sim  Dual Sim  Dual Sim  Dual Sim
Hybrid Sim Slot No  No  Yes Yes
Touchscreen Yes Yes Yes Yes
OTG Compatible Yes Yes Yes Yes
Quick Charging Yes
Sound Enhancements 5- Magnet Speaker,2nd Gen. NXP SMART Amplifier,  Speaker: Single (Bottom Opening), 2 Microphones (for NoisView More... Speaker - Single (Bottom Opening), 2 x Microphones (Noise View More...
SAR Value 1.290 W/Kg 
Display Features
Display Size 12.7 cm (5 inch)  15.21 cm (5.99 inch)  16.0 cm (6.3 inch)  15.9 cm (6.26 inch)
Resolution 1920 x 1080 pixels  2160 x 1080 Pixels  2340 x 1080 pixels  2280 x 1080 pixels
Resolution Type Full HD  Full HD+  FHD+  FHD+
GPU Adreno 405  Adreno 509  Adreno 512  Adreno 509
Display Type IPS (In-cell), RD  IPS (In-cell)
Other Display Features JDI Display, All New Sunlight Display, 441 PPI  Slim Metal, 2.5D Glass, 5.99-inch Full View Display in 5.View More... Contrast Ratio: 1500:1 (Typical), 81.41% NTSC Ratio, GoriView More... Notch Display, Corning Gorilla Glass
OS & Processor Features
Operating System Android Lollipop 5.0.2  Android Oreo 8.1  Android Pie 9.0  Android Oreo 8.1
Processor Type 2nd-gen Snapdragon 615 64-bit octa-core  Qualcomm Snapdragon 636 Octa Core  Qualcomm Snapdragon 660 AIE  Qualcomm Snapdragon 636
Processor Core Octa Core  Octa Core  Octa Core  Octa Core
Primary Clock Speed 1.7 GHz  1.8 GHz  2.2 GHz  1.8 GHz
Secondary Clock Speed 1.8 GHz 
Operating Frequency 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... GSM - B2, B3, B5, B8, WCDMA - B1, B2, B5, B8, 4G LTE TDD  View More...
Memory & Storage Features
Internal Storage 16 GB  32 GB  32 GB  64 GB
RAM 2 GB  3 GB  3 GB  4 GB
Expandable Storage 2 TB  256 GB  256 GB
Supported Memory Card Type MicroSD  MicroSD  MicroSD
Memory Card Slot Type Dedicated Slot  Dedicated Slot  Hybrid Slot  Hybrid Slot
Call Log Memory Yes
Phone Book Memory Yes
SMS Memory Yes
Camera Features
Primary Camera Available Yes Yes Yes Yes
Primary Camera 13MP  13MP + 5MP  48MP + 5MP  12MP + 5MP
Primary Camera Features Integrated Flash Support, Supports Beautify, Refocus, f/2View More... 13MP, f/2.2, PDAF + 5MP with Bokeh, Camera Modes - 10 effView More... 48MP (GM1) - F1.79, 1.6 micrometer (4 in 1), 6P Lens (48MView More... 12MP - f/1.9, 1.4micrometer, Dual PD, 5MP - f/1.9 Apertur View More...
Secondary Camera Available Yes Yes Yes Yes
Secondary Camera 5MP  8MP  13MP  20MP + 2MP
Secondary Camera Features f/1.8, 80 Degree Wide-angle View, HD (Front Facing CameraView More... 8MP, f/2.2, Camera Mode - 10 effects beauty modes, HDR, LView More... F2.0 Aperture, 1.12 micrometer  f2.0
Flash Front and Rear LED Flash  Rear Flash  Rear Flash
HD Recording Yes
Full HD Recording Yes
Video Recording Yes
Video Recording Resolution 1920 x 1080 
Dual Camera Lens Primary Camera  Primary Camera  Primary & Secondary Camera
Digital Zoom Yes
Call Features
Phone Book Yes
Connectivity Features
Network Type 4G, 3G, 2G  4G VOLTE, 2G, 3G  3G, 4G VOLTE, 4G, 2G  4G VOLTE, 4G, 3G, 2G
Supported Networks 4G LTE, 4G LTE  4G VoLTE, GSM, 4G LTE, WCDMA  GSM, WCDMA, 4G VoLTE, 4G LTE  4G VoLTE, 4G LTE, UMTS, WCDMA, GSM
Internet Connectivity 4G, 3G, Wi-Fi, GPRS, EDGE  4G, 3G, Wi-Fi  4G, 3G, Wi-Fi  4G, 3G, Wi-Fi
3G Yes Yes Yes Yes
Pre-installed Browser MIUI Browser, Chrome Browser, Android 
Micro USB Port Yes
Bluetooth Support Yes Yes Yes Yes
Bluetooth Version 4.1  5  5.0  5
Wi-Fi Yes Yes Yes Yes
Wi-Fi Version 802.11 a/b/g/n/ac  802.11 b/g/n  802.11a/b/g/n/ac  802.11a/b/g/n/ac
USB Connectivity Yes Yes Yes
Audio Jack 3.5 mm  3.5mm  3.5mm
Map Support Google Maps  Google Maps  Google Maps
GPS Support Yes Yes Yes
GPRS Yes
EDGE Yes
USB Tethering Yes
Infrared Yes
Other Details
Smartphone Yes Yes Yes Yes
SIM Size Micro SIM  Nano SIM + Nano SIM  Dual Nano SIM
Removable Battery No 
SMS Yes
SIM Access Dual Standby 
Sensors Gyroscope, Light Sensor, Accelerometer, eCompass, ProximiView More... Accelerometer Sensor, E-Compass, Proximity Sensor, AmbienView More... Rear Fingerprint Sensor, Ambient Light Sensor, Proximity View More... Rear Fingerprint Scanner, Ambient Light Sensor, Proximity View More...
Other Features WLAN Support, Wi-Fi Direct, Wi-Fi Tethering, Voice CallinView More... Fingerprint Sensor - 0.3 sec Fast Unlock, 5 Finger and 36View More... Clock Speed/Cores/Bits: 4 x Gold 2.2 GHz + 4 x Silver 1.8View More... Body - Metal Back, IR Blaster, Charger - 5V/2A, Quick Cha View More...
Graphics PPI 409 PPI  403 PPI
User Interface MIUI 6  MIUI 10 
User Memory 12.77 GB 
GPS Type A-GPS, GLONASS, BeiDou 
Multimedia Features
Audio Formats MP3 
FM Radio Yes
Battery & Power Features
Battery Capacity 3030 mAh  5000 mAh  4000 mAh  4000 mAh
Battery Type Li-Ion Polymer  Li-polymer 
Dimensions
Width 69.6 mm  76 mm  75.21 mm  76.4 mm
Height 138.1 mm  159 mm  159.21 mm  157.9 mm
Depth 7.8 mm  8.46 mm  8.1 mm  8.26 mm
Weight 130 g  180 g  186 g  181 g
Warranty
Warranty Summary Brand Warranty of 1 Year Available for Mobile and 6 MonthView More... Brand Warranty of 1 Year Available for Handset and 6 MontView More... Brand Warranty of 1 Year Available for Mobile and 6 MonthView More... Brand Warranty of 1 Year Available for Mobile and 6 Month View More...