Android users beware: 146 bugs found in preinstalled apps - CNET

Security research firm Kryptowire has again exposed a hive of potentially malicious activity by preinstalled apps on cheaply produced Android phones. In research funded by the US Department of Homeland Security, the firm found apps secretly recording audio, changing phone settings without user permission and even granting themselves new permissions.....
https://www.cnet.com/news/android-users-beware-146-bugs-found-in-pre-installed-apps/