Cat S31 specifications

4.70" IPS LCD720×12808MP Camera4000mAhSnapdragon 210 28.00nm4-core @ 1.1 GHz2 GB RAM
As an Amazon Associate I earn from qualifying purchases.

The Cat S31 is a 2017 entry-level rugged Android smartphone certified to IP68 and MIL-STD-810G standards. Built around a 4.7-inch HD TFT display, Qualcomm Snapdragon 210 chipset, 2GB RAM, and a large 4000mAh battery, it handles drops from 1.8m and submersion up to 1.2m. Designed for construction workers and outdoor professionals needing a durable, simple handset at an accessible price.

See full specifications below ↓

Strengths

  • Pro: IP68 + MIL-STD-810G rugged certification for drops and submersion
  • Pro: 4000mAh battery for extended field use
  • Pro: Corning Gorilla Glass 3 screen protection
  • Pro: Works with wet hands and gloves via dedicated screen mode
  • Pro: Dual SIM with microSDXC expansion

Weaknesses

  • Con: Snapdragon 210 delivers entry-level performance only
  • Con: No fingerprint sensor or NFC
  • Con: Only 720p display resolution on 4.7-inch screen
  • Con: Thick 12.6mm profile and heavy at 200g
  • Con: 8MP rear camera limited to 720p video

Full Specifications

Display

4.70"
Screen Size
0.9MP
Resolution
Size
4.70 inches
Resolution
720 x 1280 pixels
Aspect Ratio
9:16
Pixel Density
312 ppi
Technology
IPS LCD

Chipset & Memory

Snapdragon 210
Chipset
28nm
Process
2GB
RAM
Chipset
Snapdragon 210 (28nm)
Manufacturer
Qualcomm
Process
28 nm
GPU
Adreno 304
RAM
2 GB
Storage
16 GB

Camera

8MP
Main Camera
2MP
Front Camera
Main Camera
8 MP
Main Camera Features
Autofocus
Front Camera
2 MP

Battery

4000 mAh
Battery
Capacity
4000 mAh

Design

200g
Weight
146x74.4x12.6
Dimensions (mm)
Form Factor
Bar
Dimensions
146 x 74.4 x 12.6 mm
Weight
200 g (7.05 oz)
Colors
Black

Connectivity

4.1, A2DP, LE
Bluetooth
Wi-Fi 802.11 b/g/n
WiFi
Bluetooth
4.1, A2DP, LE
WiFi
Wi-Fi 802.11 b/g/n
USB
microUSB 2.0, OTG
GPS
GPS, GLONASS, BDS

Network

4G
LTE
3G
UMTS
Network Bands
WCDMA: 850 (850), 900 (900), 1700 (1700), 1900 (1900), 2100 (2100); LTE: B71 (600), B12 (700), B28 (700), B13 (700), B17 (700), B14 (700), B19 (800), B20 (800), B26 (850), B5 (850), B8 (900), 900 (900), B66 (1700), B4 (1700), 1800 (1800), B3 (1800), B25 (1900), 1900 (1900), B2 (1900), B39 (1900), B1 (2100), B40 (2300), B41 (2500), B38 (2600), B7 (2600)

Features and specifications are subject to change without prior notification.

Where to Buy
Screen Protectors
Check price on Amazon
As an Amazon Associate I earn from qualifying purchases.

Add to Collection

Organize your favorites into collections

Loading collections...

No collections yet. Create your first collection!

Public collections can be shared via a link and viewed by anyone.