This is stated on the support page of the program website.
It is noted that for the application to work, you need a device with the Android operating system version 4.0.3 and higher, or with iOS 9, KaiOS 2.5.1 and later.
The report also said that on December 31, Windows Phone users also lost the ability to use the messenger.
On December 10, information appeared that WhatsApp will stop working on millions of devices in 2020.
In mid-September, Roskachestvo, together with International Consumer Research and Testing, introduced an updated rating of the most popular smartphones. The leader of the rating since the summer remains Samsung Galaxy S10 +. High positions in the top also took Galaxy Note 10 and Galaxy Note 10+.
In June, the Samsung Galaxy S10 +, Samsung Galaxy S10 and Samsung Galaxy Note 9 topped the ranking.