Basic Information  Model Xiaomi Redmi 3S
 Time To Market 2016
 OS MIUI 7.5, Official Global ROM, Support OTA update
 CPU Snapdragon 430 Octa Core
 GPU Adreno 505
 SIM Card Micro-SIM x 1 + Na-SIM x 1 or Micron SIM x 1 + TF Card x 1
 Play Store Yes
 Battery 4000/4100mAh (Min/Typ,Built-in)
 
 Memory Capacity  RAM 2GB+16GB
 

The actual available internal phone storage may differ depending on the software configuration of your phone.

Storage can be checked in our antutu photos and it's less than specification data. We can't accept dispute for ROM / RAM data difference.
 Max.  Yes,Support TF card up to 128GB (VFat Format)
 
 Connectivity  Cellular and wireless Supports 4G(FDD LTE) 3G(WCDMA) and 2G(GSM) networks,Click Here to check whether the phone can be used in your country>
 2G GSM: 850/900/1800/1900MHz;CDMA 1X BC0
 3G/4G

WCDMA:  850/900/1900/2100MHz; CDMA2000 BC0

FDD LTE:B3:1800/B1:2100/B7:2600MHz

TD LTE:B38:2600/B39:1900/B40:2300/B41:2555-2655MHz

 Bluetooth Yes
 WLAN Yes
 FM Radio Yes
 GPS Yes
 OTG Yes
 
 Screen  Display 5.0 Inch
 Resolution 1280*720 pixels
 Multitouch Yes
 Pixel Density  
 
 Camera  Front camera 5.0MP
Back camera 13.0MP
 
 Multimedia  Audio format MP3, WAV,etc
 Video format 3GP, MP4, AVI,etc
 Picture format JPEG,GIF, BMP, PNG.etc
 
 Sensors    G-sensor Yes
 Electronic Compass Yes
 Light sensor Yes
 
Package Contents 1 x Cell phone
1 x Charger
1 x Micro USB Cable
1 x Battery (Built-in)
1 x User Manual