Vodacom ups stake in Tanzania unit; Finland's DNA appoints new CEO

> Turkcell has taken its $4.2 billion lawsuit against rival MTN Group over the loss of a contract in Iran to a South African court. Article

> South Africa's Vodacom Group will pay 2.5 billion rand ($250 million) in cash to acquire an additional 17 per cent in its Tanzania unit. Article

> Sources say Microsoft is set to secure unconditional approval for the acquisition of Nokia's devices and services unit. Article

> Finland's DNA appoints Jukka Leinonen as its new CEO. Article

And finally…Deutsche Telekom's new secure mobile phone may not be as secure as it seems. Article