If we grant Accessibility permission for an app, and the network Permission is not granted, even if the app missbehave, at least they cannot send data back home, right? Or with this permission it is enough for the app to be able to download and install any app, and give themselves any permission?
Sorry if this seems to obvious but couldn't find an answer looking at this forum nor the Android documentation itself, except this not too nice answer here:
"This answer is a big No. An Accessibility Service lets an application simulate touch and read the content of the screen. Read again. Enabling an accessibility service is like giving your phone to somebody else. In fact, this is how almost all non 0-day malwares work on Android. Every single malware starts by pressuring the user into enabling its accessibility service, then uses it to steal passwords, prevent deletion, gain permissions, and dismiss warnings and notifications. Don't enable third-party Accessibility Services unless you absolutely need it. P.S. You don't need it."
https://android.stackexchange.com/questions/248171/is-it-safe-to-give-accessibility-permission-to-an-app
Thanks in advance for your comments.