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®
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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
Warranty 2 years
Network With 4G
Dual SIM With dual SIM
Operating system With Android
Dust & shock resistant Resistant
Military Standard With military grade
Water resistant Water resistant
IP Rating IP68 rating
Camera With camera
Rear Camera 8MP
Front Camera 2MP
Expandable memory With exandable memory
Bluetooth Bluetooth 4.0
Large keys Without large keys
Frequency Quad-band
Lone worker protection system Without Lone worker protection
Screen size More than 4.5″ screen
Hands free With hands free kit
Vibracall With vibracall
SMS With SMS function
MMS With MMS function
Standby / talk time 38 hours/ 15 hours
Headset port 3.5mm jack
Dimensions 146 x 74.42 x12.6mm
Internal Memory 16 GB
Weight 200g


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