It's well known that most of the users around the globe are still using some old smartphone devices duo to the economical matters or they think that their devices are still capable of these simple tasks. However, WhatsApp developers seem that they don't take that into the consideration, in spite of well functioning of these devices.
In brief, every device that has an old OS version such as android 4.0 or IOS 9 as it's been told will no longer receive updates. However, there are some rumors on the internet saying that "the iPhone 6s and iPhone SE will no longer receive the updates as well", this rumor has spread fear among this device's users.
The iPhone 6s and the iPhone SE are still capable of heavy tasks, moreover, there are many security updates and one major update that will come to iPhone 6s and iPhone SE, which means longer support from apps developers and the company itself.
But, what if you have an android device that has this version of android ? What would you do ? Many users will be dreaded about this sudden decision.
Hey! it's not the end of the world, you still can download a modded version of WhatsApp that can be compatible with your device, or simply download a custom rom for your device that has the latest android version or android 5.0 at least.