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alaTest has collected and analyzed 154 reviews of CAT S40. The average rating for this product is 3.7/5, compared to an average rating of 4.1/5 for other Cell phones for all reviews. Views about the screen and durability are overall positive. The performance and usability also get good reviews, whereas there are some critical comments about the camera.

size, usability, performance, durability, screen


We analyzed user and expert ratings, product age and more factors. Compared to other Cell phones the CAT S40 is awarded an overall alaScore™ of 87/100 = Very good quality.

Review analysis

(Based on 154 reviews)

Expert Reviews  

User Reviews  

Showing 9 review(s)

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Showing 1 - 9 of 9 Show Reviews: in English | in other languages (113)

Consumer review ( review summary for CAT S40


alaTest has collected and analyzed 3 user reviews of CAT S40 from The average user rating for this product is 4.3/5, compared to an average user rating of 4.1/5 for other Cell phones on

100% of the reviews on give this product a positive rating.

This summary is based on the products: CAT S40 Dual SIM 16GB Smartphone (Silver/Black)CAT S40 Dual SIM 16GB Smartphone (Silver/Black)

Dec, 2018

Expert review by : Ajay Kumar (

Caterpillar Cat S40 (Unlocked)


The unlocked Cat S40 from Caterpillar is a rugged phone that can take a beating, but you're trading screen resolution and speakerphone quality for durability.

Affordable. Rugged and durable with IP68 and MIL-810G rating. Expandable storage. Relatively trim design.

Low-resolution display. Quiet earpiece and low speakerphone volume make it less-than-ideal for calls in noisy environments. Poor camera.

Camera, Software, and Conclusions In natural use, it was impossible for me to take a crisp photo with the rear-facing 8-megapixel camera on the S40. No matter what I tried during test shooting, there was noise and blurriness in just about every photo...

Oct, 2015

Expert review by : Michael Moser (

CAT S40 Smartphone Review


Workhorse for rough jobs. The CAT S40 is a ruggedized smartphone that combines a very bright IPS screen and long battery life in a robust exterior. However, the hardware could have been more powerful. It is powered by a Qualcomm entry-level quad-band...

Very bright, homogeneous IPS screen, Good color reproduction, One-time free screen replacement in case of damage by drop, Very rigid build and impeccable processing, Balanced design, Dustproof and waterproof according to IP68, MIL-STD 810G certified,...

Mixed performance and slightly weak SoC, No high-speed ac Wi-Fi, Poor camera modules, Low screen resolution, Fragile SIM tray, High power consumption

The CAT S40 is a rather rugged device with rough corners. High-end specifications and compact dimensions are non-existent. It cannot get rough enough for the smartphone, which is underlined by the IP68 and MIL-STD 810G certifications and the robust...

Aug, 2015

Expert review by : Cherlynn Low (

Cat S40 Review: The Monster Truck of Phones


Built to withstand harsh environments, the S40 is certainly one of the most rugged phones we've tested, surviving everything from drops to dunks. It also offers solid battery life. But its lackluster cameras and low-res display make the $400 price...

Sturdy, waterproof design ; Good battery life ; Bright display

Mediocre cameras ; Low-res screen ; Sluggish performance

The sturdy Cat S40 is a waterproof and drop-proof Android phone, but its poor cameras and slow performance disappoint.

Dec, 2015

Expert review by : Eric Mack (

CAT S40 review: A rugged Android phone for the field


If we were still looking for evidence that smartphones have officially become a commodity, the line of ruggedized devices from iconic heavy equipment maker Caterpillar might just be that proof. We reviewed the Cat S40 Android phone to see if it offers...

We had to keep our review unit in working order so we weren't able to really torture it, but it did stand up just fine to some moderately rough drops, serious splashes, submersions and attempts to scratch the screen. We also made sure to hand it over...

Dec, 2015

Expert review by : Adam Doud (

Cat S40 review: Fort Knox guarding fool’s gold


The Cat S40 is one of the most durable phones we have ever tested. But do the insides justify that protection?

This phone is an absolute tank that can stand up to any torture you care to put it through. The rubberized/metal outer shell laughs in the face of danger. That is all great. But the performance hit from the insides make this phone hard to recommend....

Oct, 2015

Expert review by : Eric M. Zeman (

Review: CAT S40


CAT is offering the rugged S40 to U.S. buyers directly online. This Android smartphone is designed to take a beating and still get you to your meeting on time. This phone is sold unlocked and works with networks such as those run by AT&T and T-Mobile....

The CAT S40 fulfills its mission: it's a rugged smartphone that handles bumps, bruises, and a bath, all while delivering a core Android smartphone experience.

Oct, 2015

Product Specifications


Battery Capacity:3000
Battery technology:Lithium-Ion (Li-Ion)
Talk time (2G):18

Call management

Call divert:Y / Yes
Call hold:Y / Yes
Call timer:Y / Yes
Call waiting:Y / Yes
Caller ID:Y / Yes
Conference call:Y / Yes
Speakerphone:Y / Yes
Speed dialing:Y / Yes
Vibrating Alert:Y / Yes


Auto Focus:Y / Yes
Built-in Flash:Y / Yes
Front Camera:Y / Yes
Front camera resolution (numeric):2
Front camera type:Single camera
Geotagging:Y / Yes
Main camera resolution (numeric):8
Maximum frame rate:30 / 60
Rear camera flash:Y
Rear camera resolution (numeric):8
Rear camera type:Single camera
Resolution at capture speed:1280x720@30fps / 1920x1080@60fps
Second Camera: Yes
Second camera resolution:2
Video capture resolution (max):1920 x 1080
Video recording:Y
Video recording modes:720p
Zoom capability:Y / Yes


Colour of product:Black / Black, Silver
Curved Design: No
Form factor:Bar / Slate
International Protection (IP) code:IP68
Product colour:Black
Protection features:Crash proof, Dust resistant, Shock resistant, Temperature proof, Vibration proof, Water resistant / Dust resistant, Scratch resistant


Display diagonal:11.9
Display Resolution:540 x 960
Display Type:IPS
Orientation sensor:Y / Yes
Screen shape:Flat
Second display:N
Touch screen type:Capacitive
Touch technology:Multi-touch
Touchscreen:Y / Yes
Touchscreen Type:Capacitive


Accelerometer:Y / Yes
Ambient light sensor:Y / Yes
Proximity sensor:Y / Yes


Internal RAM:1


Chat:Y / Yes
E-mail:Y / Yes
Instant messaging (IM):Y / Yes
MMS (Multimedia Messaging Service):Y / Yes
Short Message Service (SMS):Y / Yes


Video compression formats:H.263, H.264, VP8 / H.263,H.264,VP8
Video formats supported:H.263, H.264, H.265, MPEG4, VP8, VP9 / H.263,H.264,H.265,MPEG4,VP8,VP9
Voice codecs:AMR-NB, AMR-WB / AMR-NB,AMR-WB


Assisted GPS (A-GPS):Y / Yes
Electronic compass:Y / Yes
GPS: Yes
GPS (satellite):Y / Yes
Position location:Y
Wi-Fi positioning:Y / Yes


2G bands (primary SIM):850,900,1800,1900
3G:Y / Yes
3G bands supported:850,900,1900,2100 / 850,900,2100
4G:Y / Yes
4G standard:LTE
4G standards:LTE
Bluetooth:Y / Yes
Bluetooth version:4.1
SIM card capability:Dual SIM
SIM card type:NanoSIM
Tethering (modem-mode):Y / Yes
Wi-Fi:Y / Yes
Wi-Fi standards:802.11b, 802.11g, 802.11n / IEEE 802.11b,IEEE 802.11g,IEEE 802.11n

Operational conditions

Operating temperature (T-T):-25 - 55

Other features

Google applications:Google Maps,Google Play,YouTube

Packaging Content

Quick start guide:Y / Yes


Accelerometer: Yes
Ambient light sensor: Yes
Flight mode:Y / Yes
Microphone mute:Y / Yes
Military standard:MIL-STD-810G
Operating system installed:Android
Operating System Version:5.1
Personal info management (PIM):Alarm clock, Calculator, Calendar, Events reminder, Notes, To-do list
Personalization:Icons, Menu, Shortcuts
Proximity sensor: Yes
Shock proof:Y
Subscription type:No subscription
Support for contact groups:Y / Yes

Phone features

Form factor:Slate

Ports & interfaces

Headphone connectivity:3.5 mm
USB connector type:MICRO-USB / Micro-USB A
USB port:Y / Yes
USB version:2.0


Processor Cores:4
Processor family:QUALCOMM / Qualcomm Snapdragon
Processor frequency:1.1
Processor Model:MSM 8909 / MSM8909


Operating system installed:Android
Operating System Version:5.1 / 5.1 Lollipop


Compatible memory cards:MicroSD (TransFlash)
Internal RAM:1 / 1024
Internal storage capacity:16
Maximum memory card size:64
RAM capacity:1
USB mass storage:Y / Yes


Subscription type:No subscription

Technical Details

Google applications:Google Maps, Google Play, YouTube

Weight & Dimensions

Depth:1.25 / 12.4 / 12.5
Height :14.5 / 144.9
Width:7.41 / 74.1