CAT S31 review: Midrange handset is still tougher than most - Gearbrain

The CAT S31 is a midrange smartphone, but still built to be tougher than most with waterproofing and a rugged body designed to military-standards
Priced at $330, the S31 misses out on top-quality performance, but is still built to survive the harshest environments

CAT S31 Review - Hardened to the Core

CAT S31 Review - Hardened to the Core

CAT's latest rugged smartphones won't break your budget - The Verge

2021 Arctic Cat® M 8000 Hardcore Alpha One 154/3.00 Manual Hyper Green

CAT S31 Rugged Phone Review - Hard as a rock!

CAT S31 Smartphone Review - Reviews

S31 CAT Construction Phone Review - Tool Box Buzz Tool Box Buzz

CAT S31 Review - Hardened to the Core

CAT S31 Smartphone Review - Reviews

CAT S31 Rugged Phone Review - Hard as a rock!

CAT S31 Smartphone Review - Reviews

Cat S31 Review - One of the Toughest Phones on the Market?

BeUnstoppable with the new Cat® S41 & S31

Cat S31 Review - One of the Toughest Phones on the Market?

CAT S31 Review - Hardened to the Core