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Learn about call privacy.
Practical guides about phone numbers, Android permissions, caller ID, unwanted calls, and protecting your contact data.
- Call Privacy
- Android
- Caller ID
- Guides
Android
What happens when an Android app gets access to your contacts?
Granting the contacts permission gives an app technical access to your address book. What happens after that depends entirely on the app — here's how to think about it.
Caller IDPrivate, hidden and unknown calls: what's the difference?
Terms like "private," "hidden," "restricted," and "unknown" get used loosely for phone calls. Here is what each generally refers to — and why the terminology varies.
GuidesHow to block calls from numbers not in your contacts on Android
What it means to block non-contact callers on Android, who you might accidentally miss, and practical approaches — including rules-based tools.