No doubt, Facebook-owned messaging app WhatsApp will maintain them for many years yet.
These Smartphones To Lose WhatsApp Support By End Of This Year
Soon Facebook-owned messaging app WhatsApp will end support for the various Operating Systems such as Nokia’s popular Symbian OS, BlackBerry, Android smartphones and iPhone 3GS from 1.1.2017. Though these mobile devices have been an important part of their story, as now they don't offer the kind of capabilities.
