With a long lineage backed up by Nokia, the Symbian OS had undoubtedly a large market share with great user base –but, as they say, nothing is permanent and the introduction of Android OS ensured that.
The Symbian operating system had been surging in the market for a prolonged period of time and Nokia had been its consistent partner. But due to the inconvenience, the dominance of this operating system led to its downfall after 2010, with very fewer smart phones being manufactured.
Symbian was specifically an open source operating system designed for smartphones. Owing to the fact that was an open source, therefore, the software developers had the privilege of developing software for the same. It offered multitasking features and also provided an enhanced memory protection.