IP stands for "Ingress Protection". Blackview Rugged Phone is rated as IP68. The "6" in this rating refers to the dust rating. This phone is rated as "Dust Tight" meaning complete protection against dust intrusion as long as all port covers are properly closed.
The "8" in the rating refers to the phone’s ability to be submerged in water. The Blackview Phone can be submerged in up to 1.5m of water for 30 minutes as long as all port covers are properly closed.
The MIL-SPEC rating for Blackview Rugged Phone is MIL SPEC 810G making the Blackview Rugged Phone drop proof to "6" , dust proof (when all port covers are properly closed), and vibration proof (Category 4 – Truck/Trailer – Secured Cargo ).