The termination of support is also announced for devices on Android 2.3.7 and iOS 7 and earlier versions. You can use WhatsApp messenger on these devices until February 1, 2020.
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WhatsApp developers also warned that some of the messenger functions on devices with an outdated OS may stop working at any time, that is, much earlier than the dates indicated. WhatsApp recommends that users think about buying devices with Android OS 4.0.3, iOS 8 or Windows Phone 8.1 and their later versions.
And if the share of smartphones on Windows Phone compared to competitors is extremely small, then the number of devices on older versions of Android 2.3.7 and iOS 7 (and earlier) is measured in millions. At the recent I / O 2019 Developer Conference, Google announced that there are 2.5 billion active Android devices in the world. Of these, on the version below 4.0.3, about 0.3%. And this is about 7.5 million devices.
The situation is similar with devices on older versions on iOS. In January 2019, Apple claimed that the total number of devices on iOS exceeded 900 million. Of these, about 0.6% work on iOS and older. And this is about 5.4 million devices.
Thus, the WhatsApp messenger will stop working on more than 12 million devices worldwide. For WhatsApp on the one hand, this is less than 1% of their audience, which has over 1.5 billion users. On the other hand, people who use devices on outdated OSs are most likely elderly people, or simply people who do not really understand the technology and do not like to change their usual devices to new ones.