Are you among those who are using old smartphones? If you also love to use WhatsApp then this is the time to change your smartphone. WhatsApp, which is owned by Facebook, is one of the widely used messaging apps. With the end of 2020 near, it has also announced to end its support on some of the old and outdated smartphones. These include some models of Android phones and IOS phones.For iPhone users, all the iPhone models up to iPhone 4 will soon lose WhatsApp support for their phone. To enjoy the latest version of WhatsApp the users will have to update their phones. WhatsApp for iPhones requires IOS 9 or later versions. People who want to use unlimited WhatsApp service on their phones with iPhone 4s, iPhone 5, 5S, 6, and 6S will have to update their operating system to iOS 9. Read more: New Whatsapp Features: Shop via Chat Similarly, for all the Android users, WhatsApp will only work on Android 4.0.3 or the latest version. Reports claim that very soon WhatsApp will stop working on the Android version that is earlier than 4.0.3.