Research in Motion has released three Blackberry Curve smartphone devices running on its operating system, Blackberry 7.
The Blackberry Curve 9350, Curve 9360 and Curve 9370 add to five handsets running on Blackberry's operating system (OS) unveiled earlier in August. The smartphones include US-only Bold 9930 and Torch 9850. The Torch 9860, Torch 9810 and Bold 9900 will be available in the UK.
RIM said the new Curve smartphone models address the market where customers are upgrading existing feature phones or older Blackberry Curve devices.
"These new models will build on the incredible success of the Blackberry Curve line and further expand the largest global launch of Blackberry smartphones in our history," said Mike Lazaridis, president at Research In Motion (RIM).
The new Blackberry Curves support GPS and Wi-Fi, have a five mega-pixel camera and video-recording as well as support for near-field communication (NFC).
Blackberry OS 7 - which was showcased at Blackberry World - includes voice-activated searching as well as support for HTML 5 in the web browser. RIM claims web browsing is up to 40% faster on OS 7 compared with smartphones running Blackberry 6.
The OS integrates with Blackberry Balance, which allows IT departments to control and secure business e-mail data via the Blackberry Enterprise Server (BES) while also enabling personal use of company-owned Blackberry smartphones.
The handsets have the latest version of Blackberry's instant messaging service, BBM version 6. Developers can build BBM connected apps within third-party applications, providing users in-app access contact lists.
The new Blackberry Curves will be available from September 2011.