Symbian started as an embedded platform “OS for toasters.” It was independent, used by mobile phone manufacturers like Sony, Ericsson, others. It was also used

Symbian started as an embedded platform “OS for toasters.” It was independent, used by mobile phone manufacturers like Sony, Ericsson, others. It was also used in non-mobile phone applications. Nokia bought the whole Symbian in-house in attempt to compete against Android and iOS. Others non-Apple brands had already switched to Android in this point. Steven Elop joined Nokia had a had management bonus incentives to sell the Nokia Mobile Phones (not Networks) to Microsoft. Which he did. It was good for Nokia shareholders. Few years later Microsoft had screwed up things even worse and wrote Nokia purchase value from $7B to zero. In this point, Symbian was buried long ago. Microsoft had never incentive to spin it out or make it a success story. Their only goal was Windows dominance.