Usar la aplicación APKPure
Obtener SA Group Text plug-in 1 versión histórica en Android
Extender la limitación de SMS para SA Grupo texto
Due to Android’s SMS limitation, each app can only send 100 messages within an hour. You need to install this plug-in to extend the SMS limitation for SA Group Text.
After download, please go to your app’s settings, then go to app manager, grant Send SMS permission to this app.