Whatsapp has announced that iPhones running on Apples iOS 7 will no longer be able to use Whatsapp starting from February 1, 2020.
According to the messaging platform, iPhone 4S will have to update, saying the operating system is the oldest phone running on iOS.
Whatsapp said it will also remove support for devices running Android Gingerbread, which means that updated versions of the software can no longer be installed on them.
The Facebook-owned app, had on January 1, 2018, stopped support for phones which run BlackBerry OS, BlackBerry 10 or Windows Phone 8.0, saying they will no longer be able to update their Whatsapp software.
Other OS, which are no longer compatible with Whatsapp include, Android versions older than 2.3.3, iPhone 3GS/Ios 6 and Nokia Symbian S60.
Whatsapp recommended that users upgrade to phones running at least Android OS 4.0. iOS 8, or Windows Phone 8.1.
Last year, Whatsapp dropped support for Nokia Symbian S60 phones. It said it will do same for Nokia S40 handsets on December 31, 2018, and then devices running Android 2.3.7 and older after February 1, 2020.