4 of the 10 most-used smartphones in South Africa are Blackberries

"The most used smartphones in South Africa are the BlackBerry 8520 Curve, the BlackBerry 9320 Curve, and the BlackBerry 9300 Curve. This is according to Vodacom’s data about the number of active devices on its network.
The data further revealed that the top 10 most used smartphones on the Vodacom network included four BlackBerry devices, three Samsung phones, two Nokias, and an iPhone.
While there is a great deal of hype around high-end devices like the iPhone and Samsung Galaxy range, the more affordable BlackBerry 8520 is the smartphone which many South Africans use."

Source:  MyBroadband, 16th September 2014