RIM to unveil new Blackberry
20 August 2012 Last updated at 07:30 BST
It could be a make or break week for Research in Motion, the company that makes the Blackberry mobile phone.
The Canadian company will unveil a new version of the Blackberry to telecom companies on Monday, hoping it will be a winner with their customers, and create enough new sales to revive its fortunes.
Russell Padmore reports.