Cat S31 Specifications:

• Display: 4.7-inch HD (720p), Gorilla Glass 3
• Processor: Quad-core 1.3 GHz MediaTek MT6737
• RAM: 2GB
• Storage: 16GB (expandable via microSD up to 128GB)
• Battery: 4,000mAh (removable), IP68-rated for water/dust resistance
• OS: Android 7.0 Nougat (upgradable to Android 8.1)
• Camera: 8MP rear, 2MP front
• Durability: MIL-SPEC 810G compliant, drop-proof up to 1.8m, waterproof (1.5m for 35 mins)
• Connectivity: 4G LTE, Wi-Fi, Bluetooth 4.2, NFC
• Extras: Glove & wet touchscreen support, programmable key

Summary of Customer Reviews:

• Pros:

  • Extremely durable, survives harsh conditions (water, dust, drops).
  • Long battery life lasts multiple days with moderate use.
  • Reliable performance for basic tasks and calls.
  • Glove-friendly screen works well in cold weather.

• Cons:

  • Outdated Android version with limited software updates.
  • Camera quality is poor compared to modern smartphones.
  • Heavy and bulky design not ideal for everyday carry.
  • Performance lags with intensive apps or multitasking.

Overall, the Cat S31 is praised for its ruggedness and battery life but criticized for its outdated specs and limited features. Ideal for industrial or outdoor use rather than general consumer needs.