Quoting from the oversea media, WhatsApp announced to stop supporting several old operating systems such as Blackberry by the end of 2016.

Android OS and iOS OS are the most advanced and favorable mobile operating systems. Microsoft’s Windows Phone and Windows 10 Mobile operating systems keep working on obtaining more share in the OS market.

WhatsApp announced to stop supporting Blackberry, Nokia S40, Nokia Symbian S60. In addition to the above mentioned systems, it is no longer to support Android 2.1 &2.2 and Windows Phone 7.1.

WhatsApp just celebrated its 7th anniversary last week. Its monthly active users just reached 1 billion recently.

According to the announcement of WhatsApp, WhatsApp was established in 2009 and the mobile devices used in that time were total different from the current ones. About 70% of smartphones on the market were equipped with Blackberry OS and Nokia OS when App Store was introduced to the market for a few months.

Ev en though Google Android, Apple iOS and Microsoft Phone and Windows 10 Mobile account for the most market share now, their total market share of 2009 was under 25% then. They took 7 years to obtain 99.5 % of the market share together. WhatsApp claimed that they will focus on using the most popular mobile OS for the next 7 years.

In some developing countries, there are still many users using old Nokia system. WhatsApp will disappoint such group of users for this decision. To WhatsApp, it sounds reasonable to focus on using the most favorable mobile platform. WhatsApp has made great improvements for providing better services to its users. It offers the voice calls feature so far. It will introduce the video call feature soon.

WhatsApp is no longer limit to use its own operating system. If the users wish to continual use WhatsApp with their old system devices, the company suggest them upgrade to mobile devices, such as iPhone, latest Android devices and Windows Phone.