If you’ve texted on your Android phone, you may have noticed that some contacts have a small blue dot or a chat bubble ... that by looking for a padlock icon in the conversation itself.

How to enable or disable blue light filtering with third-party apps Android's basic blue light filtering system works fine and protects your eyes, but it's missing advanced customization.

A Chinese hacking operation known as "Salt Typhoon" recently accessed private text messages and phone conversations.