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    Any orders totalling £300 or more (inc. VAT) are eligible for FREE delivery to UK mainland addresses.

    The option for free delivery will be shown in the checkout as "UK Courier (Mainland) Free".

    Dispatch will usually be made with UPS, although an alternative service may be used depending on stock location.

    Please note this option is not suitable for delivery postcodes in Jersey, Guernsey, Isle of Man, Northern Ireland or the Scottish Highlands.
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    Clove Technology has over 2 decades' experience in international shipping.

    Every week we dispatch packages from our warehouse in the UK to destinations in every continent.

    Our checkout system will automatically provide shipping rates for available services based on your basket contents & destination country.

    We can ship with DHL Express, UPS or international post via UK Royal Mail. Please note not all services are available to every destination.
    Global Shipping
    UPS & DHL Express
    Rated excellent
    Business customers
    Credit Account - Volume Pricing
    25+ years experience
    Founded in 1992 to target the emerging mobile computing market, Clove Technology has grown and adapted into what you see today.

    Staffed by a small, yet dedicated team, product knowledge and customer service have been paramount to our continued success for nearly 3 decades.

    Whether you plan on buying a £1,000 smartphone or a £10 case, for delivery down the road or to the other side of the world, we're here to answer any questions you might have.
    25+ Years experience
    Founded in 1992
    CAT S31

    CAT S31

    ex. VAT (Rest of World)
    UNLOCKED & SIM FREE
    2 YEAR WARRANTY
    Version: UK Model - Dual SIM
    Colour: Black
    Black
    Memory: 16GB + 2GB RAM
    EAN: 5060472350916 SKU: CATP-S31B
    GLOBAL SHIPPING – UPS & DHL
    BUSINESS CUSTOMERS – please email: Sales@clove.co.uk
    FAST SHIPPING – All orders
    • Cat S31 SIM Free & Unlocked / UK

      Be Unstoppable!

      CAT, as a brand, continues to impress us with their range of rugged smartphones. With the CAT S31, they have listened to customer feedback and have produced a phone which can be relied upon to work for several days without charging.

      It is also built to handle harsh conditions being IP68 certified and MIL Spec 810G.

      Reasons to buy the CAT S31 Unlocked

      • Android 7 Nougat & productivity apps
      • 4.7-inch HD (1280 x 720) screen
      • Corning Gorilla Glass 3 (1.1mm thick)
      • 1.3 GHz Quad-core processor
      • 8MP main camera with LED flash
      • IP68 - water-resistant to 1.2m for 35 minutes
      • Drop-proof to 1.8m
      • Long-lasting 4,000 mAh battery

      Box Contents

      • CAT S31 Rugged Smartphone (SIM Free / UK)
      • Quick Start Guide
      • Warranty card
      • Mains charger and micro USB cable
      • Battery Share cable
      • Screen protector
      • Earphones

      CAT S31 Overview Unlocked

      The CAT S31 is the follow-up to the successful CAT S30, which was a competitively priced rugged phone, which was perfect for professionals who work outdoors.

      The S31 continues this trait and improves upon the specification, particularly with the 4000 mAh battery for increased time between charges. There has also been a general updating of the specification. The display now benefits from having a high-definition resolution, while the internal storage and RAM have been increased.

      You still have the rugged design which is able to withstand drops of, up to, 1.8 metres and the wet finger and glove support enables usage in challenging environments.

      Stay Connected

      Ask anyone what they want from a smartphone and the answer will probably be "longer battery life!"

      CAT has listened to this feedback and has provided the CAT S31 with a large 4,000 mAh battery. This gives users up to 15 hours continuous talk time on a 3G connection and up to 38 hours standby in standard conditions.

      So when you are working in the outdoors or enjoying a hiking trip, you don’t need to rush back to charge your phone.

      Go Beyond Rugged

      Most rugged phones will tout a MIL-SPEC 810G and IP68 rating. The CAT S31 matches these claims and it also takes further steps.

      It adheres to IP68 certification offering water-resistance to 1.2 metres for up to 35 minutes. It's also tough enough to handle thermal shocks, salt mist spray and fine particulates. This makes it ideal for working in harsh environments.

      The 4.7-inch screen has been manufactured with high-quality scratch-resistant Corning® Gorilla® Glass 3. Finally, the handset has been drop proof tested onto concrete from, up to, 1.8 metres.

      Take Control with Additional Features

      Glove Mode

      Accessible from the settings, Glove Mode changes the sensitivity settings of the screen so that it is compatible with gloved hands.

      Easy Grip Design

      Wrapping around the whole handset is a textured, grippy finish. This keeps the phone stuck to the spot, even when rested on inclines and slippy surfaces.

      It's also easy to locate in a deep pocket or bag and easier to hold in the hand than the glossy, anodised finished of comparable fashion-style smartphones.

      Push-To-Talk

      If you have a group of workers in a team, each with their own CAT S31 handset, the PTT button can be utilised with compatible apps for immediate short to medium range communication.

      SOS / Lone Worker App

      Pre-installed on the CAT S31 is a lone worker app that can be customised. Through this app, a worker in distress or in need of attention can quickly call for assistance, with options to share GPS location.

      Easy Read Display

      Alongside the Glove Mode mentioned above, the CAT S31 screen has also been designed to minimise glare from direct sunlight and other sources of bright light.

      App Toolbox

      Looking for some useful and relevant applications? Sick of filtering through thousands of silly games and distractions on the Play Store? With the App Toolbox, you can browse through work-related applications, filtering by industry or keyword.

      © 2017 Caterpillar. All Rights Reserved. CAT, CATERPILLAR, BUILT FOR IT, their respective logos, “Caterpillar Yellow”, the "Power Edge" trade dress as well as corporate and product identity used herein, are trademarks of Caterpillar and may not be used without permission.

      Bullitt Mobile Ltd is a licensee of Caterpillar Inc.

      We cannot guarantee that all gloves will work with the Glove Mode feature.

      Battery times (talk time, standby time, and more) are based on 3G and are subject to network and phone usage.

      All other trademarks, trade names, product names and logos are the property of their respective owners. Any rights not expressly granted herein are reserved.

      Stock Origin & Compatibility

      All our phones are SIM Free & Factory Unlocked, compatible with UK, EU & most global SIM cards, with support for global GSM & 3G networks. For 4G/LTE & 5G support outside of Europe, please check the specifications.

      Clove Technology primarily obtains stock from a manufacturer's official UK supply chains. These products will be displayed as a 'UK Model'.

      Occasionally Clove source products from the European mainland. These will be marked as an 'EU Model', supplied factory sealed with a 2pin EU mains charger or 'EU Convert', opened to swap to a UK charger and resealed.

      EU sourced phones will have a full warranty and are compatible with all UK networks. We do not source any products from Hong Kong or other Asian markets.

    • Operating System
      Android
      Version
      7.0 (Nougat)
      Custom Skin
      Processor
      Qualcomm MSM8909 Snapdragon 210�
      Speed
      Quad Core 1.3 GHz
      GPU
      Adreno 304
      Expansion Slot
      Yes
      Type
      Micro SD
      Capacity (Up to)
      64 GB
      Internal Storage
      16 GB
      RAM
      2 GB
      Display
      4.7"
      Type
      TFT LCD
      Resolution
      720 x 1280 (~312 ppi)
      Other
      Corning Gorilla Glass 3
      Rear Camera
      8 MP
      Lens & Sensor Tech
      Flash & Focus
      LED Flash
      Other
      Front Camera
      2 MP
      Lens & Sensor Tech
      Flash & Focus
      Other
      Battery
      4,000 mAh
      Type
      Non-removable Li-ion
      2G/GSM Bands
      850 / 900 / 1800 / 1900 MHz
      3G/HSPA Bands
      850 / 900 / 1900 / 2100 MHz
      4G/LTE Bands
      1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800)
      5G Bands
      Wi-Fi
      802.11 b/g/n
      Bluetooth
      4.1 with A2DP, LE
      NFC
      No
      FM Radio
      Yes
      Power Port
      micro USB
      Data Port
      micro USB
      Audio Port
      3.5mm audio jack
      Video Out
      No
      Physical Keyboard
      No
      Trackpad
      No
      Buttons
      Power, Volume, Android Navigation, Programmable Key
      Fingerprint Sensor
      No
      Other Controls
      Location Technologies
      GPS / GLONASS / BDS
      Built-In Maps
      Google Maps
      Accelerometer
      Yes
      Digital Compass
      Yes
      Gyro
      No
      Light Sensor
      Yes
      Dimensions
      146 x 74.4 x 12.6 mm (5.75 x 2.93 x 0.50 in)
      Weight
      200 g (7.05 oz)
      Software
      Google Play, Google App Suite, AVG, Office Suite, File Commander, App Toolbox
      Other
      Beyond IP68 (water-resistant 2 metres for 60 minutes) | Salt fog, sand, dust, dirt, vibration (Cat4) and pressure resistant | Drop-tested to 1.8m on concrete

    Customer Reviews

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    S.
    Great quality and great service!!!

    Customer Reviews

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    Great quality and great service!!!

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