CAT® S41 Rugged Dual-SIM Smartphone (32GB, Black)

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Unlocked (what's this?)

What is an "Unlocked" phone?

Many mobile phones are designed to use a Subscriber Identity Module (SIM) card to store subscriber data. These SIM cards are issued by the carrier and provide voice & data service to the phone. "Locked" mobile phones will only recognize SIM cards from the carrier that originally provided the phone. Almost all mobile phones provided by local carriers are locked to that carrier’s network and cannot be used on other networks.

"Unlocked" mobile phones can use SIM cards from any carrier that supports the phone's operating frequencies. This makes them more convenient for switching carriers & traveling abroad. As many carriers also require customers to purchase pricey 2-year data contracts with new smartphone purchases, buying an "unlocked" phone can also be cheaper in the long run, as it allows customers to use "pre-paid" and "no-contract" SIM-card options or to switch to a new carrier when a cheaper, better plan becomes available.

  • HK$3,199 HK$5,590

  • Free Shipping Available

  • In Stock Now

Breath easy with EXPANSYS extended service plans.

You love your new phone so why don’t you protect it.

With our extended 12-month service plan your investment will be safe and secure and you can rest easy.

Because life is unpredictable, extend your device protection from 6 months to 12 months and protect your device from mechanical and electrical failures that just sometimes happen.

For a minimum investment, you can ensure the safety and security of your purchase for an additional 6 months.

For just a few extra dollars each month; your device will always be safe and secure when you purchase the EXPANSYS Extended Service Plan. You can’t beat that value.

Why You’ll Love Our Extended Service Plans

  • Protects Your Device From Mechanical and Electrical Failure, Including Touchscreen Failure, Power-On Issues, Antenna/Wi-Fi Failure, & much more
  • Free Shipping On Returns
  • If we can’t fix your device, we’ll get you a replacement at no extra charge!

Don’t get stuck with expensive out of warranty repairs.  Get protected today!  

*Extended Service Plans must be purchased with device, and cannot be added once item has shipped
*Extended Service Plans cannot be refunded once item has shipped
*Extended Service Plans cannot be applied to b-stock, refurbished, or open-box items
*Extended Service Plans will not cover return shipping outside of the original delivery country
*Extended Service Plans do not cover accidental damage including damaged caused by drops, water, bending, or damage caused by installed applications or rooting

For complete terms and conditions of EXPANSYS warranty services, please click here.


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  • EXPANSYS Code: 307318
  • , EAN: 5060472350749
  • , Mfr: CAT_S41
  • , Brand: CAT®

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CAT® S41 Rugged Dual-SIM Smartphone Features

What we like about the Caterpillar CAT S41:

  • Built-in 5000 mAh battery with Battery Share
  • Waterproof up to 2 m for 1 hr
  • Rugged enough to handle thermal shocks and salt mist spray
  • Shipping Weight: 0.45kg

Technical Details

  • System: Google Android Nougat
  • Processor: Octa Core / 2.3 GHz / Mediatek Helio P20 MT6757
  • Memory: Internal: 32 GB / RAM: 3 GB / Slot type: microSD / Max. slot capacity: 2 TB
  • Display: 5" / FHD IPS Display / Resolution: 1980 x 1080 pixels / Wet finger/Glove-on working
  • Camera: 13 MP / Flash: LED / PDAF / Video: 1080p / Front: 8 MP
  • Network: 4G: LTE Band 1/2/3/5/7/8/20 / 3G: 850/900/1900/2100 MHz / GSM: 850/900/1800/1900 MHz
  • SIM card: Type: nano-SIM / Slot: Dual-SIM
  • Wireless: Bluetooth: 4.1 / Wi-Fi: IEEE 802.11 b/g/n, 2.4 & 5 GHz / NFC
  • Connection: Jack 3.5 mm / micro USB
  • Water Protection: Beyond IP68 certified / up to 2M for 60 mins
  • Other Protection: Shock/Dust Proof: Salt fog, sand, dust, dirt, vibration and pressure resistant / Drop Test: Up to 1.8 m (6 ft)
  • Military Standard: MIL-SPEC 810G, Category 4 vibration
  • Location: GPS, aGPS, GLONASS
  • Sensors: Ambient Light Sensor, eCompass, Proximity Sensor
  • Battery: 5000 mAh (Built-in) / Talk Time: up to 38 hrs / Standby Time: up to 44 days / Pump Express 2.0 / Battery Share
  • Weight: 218 g
  • Dimensions: 152 x 75 x 12.85 mm

User Reviews

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Topic Latest Post
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Is it possible to use in Korea?

by tjU on 19 November 2017 at 06:14

Replies: 1
Views: 398

by Derek_W
on Mon Nov 20, 2017 2:59

Is this a dual SIM 4G + 3G phone?

by lazywombat on 30 October 2017 at 03:11

Replies: 0
Views: 403

by lazywombat
on Mon Oct 30, 2017 3:11