Cat B40: A Dumb Phone With Ultimate Attitude (Smartphone Review)

The Cat B40 is a dumb phone, well, a feature phone that is IP68, IP69, drop resistant, has large glove-friendly traditional alphanumeric buttons, and is perfect for rough use.

Cat caught our eye when we researched Waterproof Phones: Fact or Fiction (smartphone guide), and it’s the only brand that goes above and beyond with IP69 (protected against high-pressure, high-temperature splashes at close range).

I call it a dumb phone because it is not an Android or iOS phone. It’s like the good old Nokia feature phones of ‘yesteryear’ that can:

  • Store contacts (on the phone)
  • Send and receive SMS
  • Make phone calls and keep records
  • It has a proper camera and gallery for its purpose.
  • Cat apps (torch, world clock, stopwatch, unit conversion, audio/video media player, sound recorder and organizer)
  • FM radio (need 3.5mm earphones connected)
  • clock and alarm
  • Calendar
  • Calculator
  • Games (Doodle Jump, Crossy Road, Stick Hero, Bubble Party Mix, Super Pet Twist, Football Cup)

Unfortunately, no Nokia Snake!


  • Manual
  • Website
  • RRP: $149 but see as $120
  • IP 68 (1.2 m for 35 minutes) and IP69 (pressure spraying)
  • MIL-STD 810H: resistant
  • 1.8m drop test
  • Operates -25 to +55°C
  • Hygiene – Antibacterial case, compatible with bleach, alcohol and soap and water
  • 1800 mAh battery with USB-C 2.0 port (data transfer and charging). Charger not supplied. Charging time is about 1.5 hours. Talk time is 11 hours. The waiting time is 30 days.
  • 2 MP rear camera (no flash): user selectable resolutions, night mode and custom settings. It is adequate for its purpose, it is not a high resolution camera.
  • Torch of more than 100 lumens
  • 4G LTE 1, 3, 7, 8, 20, 28 (all Australian)
  • Dual SIM and microSD dedicated to 32GB
  • Bluetooth 5.0 (without Wi-Fi)
  • 3.5mm jack
  • Mono speaker earpiece and rear speaker (still mono but for music and handsfree)
  • 64/128 MB of RAM/ROM: limited storage
  • 145 x 62 x 18mm x 157g

CyberShack Opinion: If a rugged phone is what you need, the Cat B40 is it

This phone is used by emergency services workers all over the world as it works on 2/3/4G and is ultra reliable. He doesn’t care what’s under the hood as long as he does his job.

Cat also has Android smartphones, including the Cat S62 Pro with a Thermal Flir camera.

We won’t rate the B40 per se because it’s unique, and none of our test programs run on the dumb phone. Suffice to say, if you need this, then you know what to buy.

Why buy it?

It’s not complex like a smartphone, probably in your muscle memory if you used a pre-2007 feature phone.

It’s rugged, resistant to bleach, chemicals, and germs, and has a 100-lumen flashlight and buttons. The Cat B40 is simply about calling and texting under pressure and getting the job done every time.

And it won’t (can’t) catch a virus/malware as there are no patches or updates.

Why not buy it?

If you need access to a web browser, the 2.4” QVGA color screen is not designed for it.

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