The BlackBerry Curve 8520 is an enterprise - based smartphone ( as all Blackberry devices ) and has standard features including mobile email , calendar and instant messaging amongst many others .
The BlackBerry Curve 8520 is a smartphone from the BlackBerry Curve series manufactured in Canada .
The BlackBerry Curve     is an enterprise - based BlackBerry Curve ( as all Blackberry devices ) and has standard features including mobile email , calendar and instant messaging amongst many others .
The BlackBerry Curve 8520 is a smartphone from the BlackBerry Curve series manufactured in Canada .