BlackBerry has put itself up for sale as part of a wider strategic review to help the ailing Canadian handset maker in its battle for survival in the fiercely competitive smartphone market.
In a sign of the failure to stem subscriber defections following the launch of its much heralded BlackBerry 10 devices, the maker of the once must-have device for the business world conceded that it needed to look at options for its future including a sale or alternatives such as joint venture.
Shares in the group, which had fallen by more than a third in the past month following a profit warning in June, gained 5 per cent to almost $11.
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