Early versions supported basic VoIP over Wi-Fi. Badging: Red dot notifications for unread messages. Important Troubleshooting
: Often cited as one of the last major versions to maintain compatibility with the Gingerbread API (MinAPI 9). facebook messenger old version apk for android 2.3
Since the Play Store is not an option, you will need to manually install the file. Early versions supported basic VoIP over Wi-Fi