When it’s time for use, these locks have to be manually ... this is the go-to stabilizer for anyone owning a large and heavy smartphone. Most rivals don’t come close to its payload limits.

Washing your lids, taking breaks and staying hydrated can all help, according to a founder who’s taking on the issue.

Aside from making phone calls, consuming mobile content is the most popular smartphone activity among owners of smartphones: 93% say they regularly access mobile content and information, while 59% ...