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Settings and security
Installing a digital certificate
Use client and Certificate Authority (CA) digital certificates to enable HTC One A9s to access VPN
or secured Wi-FI networks, and also to provide authentication to online secure servers. You can get
a certificate from your system administrator or download it from sites that require authentication.
§ You must set a lock screen PIN or password before installing a digital certificate.
§ Some apps such as your browser or email client let you install certificates directly in the app. See
the app's help for details.
1. Save the certificate file in the root folder on HTC One A9s.
2. From the Home screen, tap
3. Do one of the following:
§ Tap Install from storage if your storage card is set up as removable storage.
§ Tap Install from phone storage if your storage card is formatted and set as internal
storage.
4. Browse to the certificate and select it.
5. Enter a name for the certificate and select how it will be used.
6. Tap OK.
Disabling an app
Apps, even if not used often, may be running in the background and downloading data. If an app
cannot be uninstalled, you can disable it.
1. From the Home screen, tap
2. Tap Apps.
3. Tap the app, and then tap Disable.
Settings Security.
, and then find and tap Settings.
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