I mean, they provide the operating system and push updates to your phone via a trusted channel, so yeah you're kinda extending them 100% trust already. I'm more thinking about malware authors here though; criminals or governments (or criminal governments) slipping shady shit onto your phone without your noticing.
Less. If someone has root privs on your phone they can screenshot without your notice and send those shots wherever they want, encryption or self-deleting messaging apps be damned.
I mean, they provide the operating system and push updates to your phone via a trusted channel, so yeah you're kinda extending them 100% trust already. I'm more thinking about malware authors here though; criminals or governments (or criminal governments) slipping shady shit onto your phone without your noticing.