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Important: Removing certificates you've installed doesn't remove the permanent system certificates that your device needs to work. But if you remove a certificate that a certain Wi-Fi connection requires, your device may not connect to that Wi-Fi network anymore.

What happens if you clear credentials on Android? Clearing the credentials removes all certificates installed on your device. Other apps with installed certificates may lose some functionality.

Android: Go to Settings > Location & security > Set up screen lock. The timeout delay is configured separately, under Settings > Display. Android also offers a connect-the-dots swipe pattern you can use in lieu of a PIN or password, but it might leave tell tale smudges on your screen.

How to Remove a Root Certificate from an Android Device Open your Settings, select Security. Choose Trusted Credentials. Select the certificate you'd like to remove. Press Disable.

You would usually remove a certificate if you no longer trust a source. Removing all credentials will delete both the certificate you installed and those added by your device. Go to your device Settings. In Settings, navigate to Security and Location. This is usually at the bottom of the application.

Digital certificates identify computers, phones, apps, and other devices for security. Just like you'd use your driver's license to show that you can legally drive, a digital certificate identifies your device and confirms that it should be able to access something. Important: You're using an older Android version.

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.