CAT S31 Black 4.7″ 16GB 4G Dual SIM Unlocked & SIM Free


CAT S31 Black 4.7″ 16GB 4G Dual SIM Unlocked & SIM Free

£249.99 £219.99

4G resistant Smartphone with a Dual SIM


  • Very resistant smartphone
  • IP68 rating
  • Long-life Battery: 4000 mAh
  • Dust proof and drop tested (from 1.8m)
  • Waterproof – at 1.2m for 35 minutes
  • 8 MP rear camera – functions underwater
  • Scratch-resistant glass screen Corning® Gorilla®


The CAT S31 is ultra-resistant, constructed to survive. The high quality, resistant materials used ensures that it will not be affected by falls, dirt or short periods in water. Therefore, you can be satisfied knowing that your device will still work. It is full of features that will aid users in harsh and outdoor environments, for example it has an optimized screen or use in direct sunlight or when wet.

Ideal resistant 4G resistant Smartphone with a Dual SIM

Stay connected

With this long-lasting 4000 mAh battery life, you don´t have to worry about your phone lasting.

Very resistant

The CAT S31 is a robust and strong Smartphone. It has been tested in many various environments, such as in water, dust and from a drop. Additionally, it has a scratch-resistant screen.

Very useful

This device contains many useful features such as the easy-grip outer design and an easy read screen that can be seen in direct sunlight.


An intelligent device that can be used in or around water. You are able to submerge it underwater at a depth of 1.2 meters for up to 35 minutes without any damage occurring.


  • System: Android 7.0 Nougat
  • Easy-grip
  • IP68 rating
  • MIL-SPEC 810g certificate
  • Resistant to oil and grease
  • Dust, water and fall resistant
  • Ability to use with wet fingers and gloves
  • Processor: Quad-core / 1.1 GHz / Qualcomm MSM8909
  • Internal memory: 16 GB / RAM: 2 GB / slot: microSD / Max. : 128 GB
  • TFT screen: 4.7 inches
  • Resolution: 480 x 854 pixels
  • Rear camera: 8 MP
  • Front camera: 2 MP
  • SIM: double or single nano-SIM
  • Bluetooth: 4.1
  • Connections: 3.5mm audio jack / micro USB
  • Sensors: accelerometer, brightness sensor, compass, proximity sensor
  • Battery: 4000 mAh
  • Weight: 200g
Warranty2 years
NetworkWith 4G
Dual SIMWith dual SIM
Operating systemWith Android
Dust & shock resistantResistant
Military StandardWith military grade
Water resistantWater resistant
IP RatingIP68 rating
CameraWith camera
Rear Camera8MP
Front Camera2MP
Expandable memoryWith exandable memory
BluetoothBluetooth 4.0
Large keysWithout large keys
Lone worker protection systemWithout Lone worker protection
Screen sizeMore than 4.5″ screen
Hands freeWith hands free kit
VibracallWith vibracall
SMSWith SMS function
MMSWith MMS function
Standby / talk time38 hours/ 15 hours
Headset port3.5mm jack
Dimensions146 x 74.42 x12.6mm
Internal Memory16 GB


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