1.) WhatsApp is ending support for all Android phones running on versions 2.3.7 and older version on February 1, 2020
2.) WhatsApp supports Android phones running Android 2.3.3 or later
3.) For older operating systems, users can no longer create new accounts, nor reverify existing
4.) WhatsApp supports Android OS version 4.0.3+ and above
5.) WhatsApp also supports select phones running KaiOS 2.5.1+, including JioPhone and JioPhone 2
6.) So far, there is no option to transfer your chat history between platforms (Google Android to Apple iOS and vice-versa)
7.) WhatsApp provides the option to export your chat history as an email attachment
8.) Android phones should be able to receive SMS or calls during the WhatsApp verification process
9.) WhatsApp can only be activated with one phone number on one device at a time10.) Users will not be able to use WhatsApp on all Windows Phone operating systems after December 31, 2019
