Brazil is also on the agenda for handsets running Mozilla's operating system as its expansion takes it beyond Europe for the first time.
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Mozilla has announced a quarterly release schedule for its mobile OS, with security updates in between.
'Android before Android': The long, strange history of Symbian and why it matters for Nokia's future
When Nokia decided to ditch Symbian back in 2011, it effectively signed the OS' death warrant. Is history now poised to repeat itself as Nokia squares up to Android in emerging markets?
The handset software company goes into the black for the first time, and now looks beyond smart phones for growth.
And then spread it to the mass market, Nigel Clifford says at its Smartphone Show in London. Company wants to move beyond niche.