CAT S31 Dual SIM Phone

The CAT S31 is an unlocked Rugged 4G dual SIM Android phone. It works worldwide and enables you to use two different SIM cards at once. Waterproof for 35 minutes up to 1.2 meters and drop-proof up to 1.8 meters. CAT S31 is also a dustproof ideal for when travelling.

• International 4G phone so it works practically everywhere, including Japan and South Korea.
• Unlocked so you can use any SIM cards inside, Dual SIM card feature enables you to use 2 different SIM cards at once. 
• Excellent standby time of 38 days with 30 hours talk time, 
• 8MP Rear Camera with Autofocus, LED Fash
• Waterproof up to 1.2 meters and drop-proof up to 1.8 meters
• Use screen with gloves ideal for use in cold temperatures
• Expandable memory up to 128GB via micro SD card 
• Super bright 4.7" HD display screen with Gorilla Glass 3 technology, ideal for tough handset protection. 
• 2-year manufacturers guarantee.

Delivery Info
Out of stock


Features of the CAT S31 4G Dual SIM Android phone

Dual SIM
The CAT S31 4G is an international dual SIM phone that is unlocked. Access your personal SIM and WorldSIM travel SIM card on one phone - no need to carry two phones, or having to switch SIM cards when you travel.

Works Worldwide
Perfect for travellers and hikers, the CAT S31 world phone is 4G so you can use it anywhere.  CAT S31 4G Dual SIM phone has a 4.7" display screen, great for browsing the internet.  Added Gorilla Glass 3 technology protects handset. The screen can be used whilst wearing gloves, great for when its cold!

Up To 128GB External Storage
The CAT S31 4G Dual SIM phone has a micro SD card slot that supports up to 128GB so you can keep all your files, music and movies on it.

Waterproof up to 1.2 metres and drop-proof up to 1.8 metres

IP68 certified and waterproof up to 1.2 metres for 35 minutes.  CAT S31 is drop-proof up to 1.8 metres due to its strengthened die-cast frame.

Standby time

Superb standby time at 38 days and 30 hours talk time.

Blog post: 10 Reasons why you need a dual SIM phone

What's Included?

CAT S31 Dual SIM Phone Technical Specifications

  • Qualcomm 1.1GHz processor
  • Android Nougat
  • GSM Quad-band (850, 900, 1800, 1900MHz)
  • 3G (900/2100MHz)
  • 4G LTE (FDD:1/3/7/20 or FDD: 2/4/5/7/17)
  • 4.7 inch HD 720 IPS Gorilla Glass 3
  • 4000mAh Battery Capacity
  • IP68 waterproof up to 1.2 metres for 35 minutes
  • Dust proof
  • Drop proof up to 1.8 metres
  • 2GB RAM with 16GB ROM
  • 8MP/ 2MP Dual Camera
  • WI-Fl / Bluetooth
  • Supports Micro SD card up to 128GB
  • Games
  • Stereo Bluetooth earphone
  • Handsfree
  • Music Player
  • Size 146x74.42x12.6 m
  • Weight 200g
  • FM Radio


Android phone

This rugged looking dual SIM Android phone is tough and operates with Android Nougat software.


This international phone has a front and rear-facing camera. The front is 2 MP and rear-facing camera is 8 MP with flash.

WiFi connectivity

Connect this phone to other devices easily.


Use this dual SIM phone anywhere in the world as its 4G.


The CAT S31 Dual SIM phone has a quad-core processor for a fast response.


The CAT S31 supports up to 128 GB Micro SD card (not included) so you can store all your music and films on it. In addition, it has an FM radio built-in and games

4.7” Display

Great size for travelling as it can easily fit in your pocket. The 4.7" HD display is 720 IPS with Corning Gorilla Glass 3 plus wet finger/glove on working technology.

Dual SIM

There are two standard-size SIM card slots on the CATS31 so you can use two SIM cards simultaneously.

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