Solution 1: Check if you have added VPN connections.
Usually VPN connection requires minimum Pattern/PIN/Password active,
and while you have VPN connection created you can't disable it.
To check does you have it, and to delete it go to Settings -> More under
Wireless & Networks-> VPN. Keep in mind, this can be different on other
Android version, you can search Google for your device.
If there is present connection, after removing them you should be able to
change Lock screen settings.
and while you have VPN connection created you can't disable it.
To check does you have it, and to delete it go to Settings -> More under
Wireless & Networks-> VPN. Keep in mind, this can be different on other
Android version, you can search Google for your device.
If there is present connection, after removing them you should be able to
change Lock screen settings.
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