iPhone, Google Pixel and Samsung Galaxy each handle security updates differently, and one screen saying "up to date" may not tell the whole story.

WhatsApp is introducing a server-side restriction that could block access on devices running unsupported iOS or Android versions.

Upgrading your iPhone’s operating system to a new version can considerably affect its battery life, especially in the first couple of days. As a result, you may notice your iPhone draining its battery ...

Your phone may look fully updated while security fixes are still waiting. Check these iPhone, Pixel and Galaxy settings now.