2. Sonim XP7
Device Price: $750
Level of Ruggedness: Hardcore rugged smartphone
Sonim XP7 is one of the greatest rugged smartphones because it can stay up to 40 hours of talk time which is unbelievable but is true! It is designed for long field works, construction, and military application. Its price is a bit expensive for a 16 GB ready of memory and 1 GB of RAM. But overall, its still offers a great deal when it comes to its longer power life.
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