What Are Trusted Certificates in Android?

Trusted secure certificates are used when connecting to secure resources from the Android operating system. These certificates are encrypted on the device and may be used for Virtual Private Networks, Wi-Fi and ad-hoc networks, Exchange servers, or other applications found in the device.

What happen if I clear trusted credentials on my Android phone?

Clearing the credentials removes all certificates installed on your device. Other apps with installed certificates may lose some functionality.

Is it safe to clear credentials on Android?

This setting removes all user-installed trusted credentials from the device, but does not modify or remove any of the pre-installed credentials that came with the device. You should not normally have reason to do this. Most users will not have any user-installed trusted credentials on their device.