I have a weird issue in my phone. I am not able to lock the phone screen. I am using a pin lock here. I had gone under the settings panel where I can find option to modify the lock-screen. I had applied a new password in the same. But when I turn off the phone and on, the lock screen does not work. The pin settings are not immediately applied. I had also restarted the phone a number of time, but still it does not work. Any idea what is the issue.
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