Android ecosystem of pre-installed apps is a privacy and security mess

"An Analysis of Pre-installed Android Software", Julien Gamba, Mohammed Rashed, Abbas Razaghpanah,Juan Tapiador and Narseo Vallina-Rodriguez.

Preprint: https://haystack.mobi/papers/preinstalledAndroidSW_preprint....

Are there any tools for anyone to test their own phones?