Research In Motion (RIM) is a Canadian company best known for developing the BlackBerry, which was the dominant popular smartphone until the advent of Apple’s iPhone in 2007. The iPhone quickly found favour with BlackBerry users, particularly in corporate circle, and competition intensified after the iPhone’s success inspired companies like Samsung Electronics to launch smartphones powered by Google’s Android operating system. In January 2013, RIM launched a comeback effort, with a new line of handsets, and changed its name to BlackBerry.

The BlackBerry KeyOne smartphone was released this month in Hong Kong. Photo: May Tse

Review: BlackBerry KeyOne a ‘workhorse’ smartphone

With long battery life and up to 2TB of memory, the KeyOne is a good choice for those needing to work long hours on their phone, but stay away if you’re after a water-resistant, dual-SIM device with premium multimedia features