Social network of fast communication, WhatsApp, Will no longer be available for some smartphone models since 2019 as they will could not support new updates.
Next year, WhatsApp is expected to complement its functions output mode or dark mode they are incompatible with certain phones according to their owners.
As of December 31, 2010, the Nokia S40 application will stop functioning. As of February 1, 2020, there are no terminals with Android 2.3.7 or earlier operating systems and iPhone devices with iOS 7 devices.
And even from the company they said it the service may cease to be effective until the specified date. On their official website, they said: "Some functions may stop functioning at any time because we do not develop functionality for these operating systems."