Facebook has been collecting call history and SMS data from Android devices - The Verge

Facebook has been collecting call records and SMS data from Android devices for years. Several Twitter users have reported finding months or years of call history data in their downloadable Facebook data file. A number of Facebook users have been spooked by the recent Cambridge Analytica privacy scandal, prompting them to download all the data that Facebook stores on their account. The results have been alarming for some.....
https://www.theverge.com/2018/3/25/17160944/facebook-call-history-sms-data-collection-android