That's up from 87 million units this year, according to new research from Juniper
Shipments of open source Symbian handsets are expected to more than double over the next five years, to 180 million in 2014.
However, the Juniper reports says that the platform faces strong competition, with its overall market share will remaining virtually unchanged during the forecast period.
Juniper says the Symbian figure, combined with a steady increase in Android and LiMo shipments, will push the total open source handset market beyond 220 million by 2014.
The reports asserts that even though Apple, RIM and Palm use proprietary mobile OSs, 60 per cent of the current market is open source.