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Device administrators
Device administrators are apps authorised to create a connection to your smartphone and to
exchange data, for synchronisation for example. You can authorise this by setting up an account
hosted by a business service, such as for an email, calendar or business app.
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Settings
administrators is displayed
administrators
Displaying device administrator information:
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Touch and hold a service in the list
If you disable a device administrator, you revoke the permission of associated
services to synchronise data on your phone.
Google services (Gmail, contacts, calendar, etc.) are not treated as device
administrators. Permissions for these services to make changes on the smartphone
are managed from the Google account settings.
Certificates
Digital certificates are used to identify your smartphone in secure network connections. You
require a certificate for VPN or WLAN connections for example, or for authentication with email
servers, browsers or other apps. Some certificates are already stored on your phone by default.
You can install further certificates.
Supported formats:
•
DER coded X.509 certificates with file extensions .CRT and .CER.
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X.509 certificates in PKCS#12 keystore files with file extensions .P12 and .PFX. If you install a
certificate from a PKCS#12 keystore file, the corresponding private key certificates or
certification authority (CA) certificates are also installed.
Files with different file extensions cannot be installed. Change the file extension if required.
Security & location
Tick the checkboxes next to the apps to be allowed as device
Manage device admin apps . . . A list of device
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