Sure you can. You can't change the passcode without it but you can change the auto-lock (the time it takes the phone to automatically turn off the screen) to something like never by going into settings when the phone is already unlocked.You can't change auto lock without the pass code.
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In response to C DM's post.
Sure you can. You can't change the passcode without it but you can change the auto-lock (the time it takes the phone to automatically turn off the screen) to something like never by going into settings when the phone is already unlocked.
Right that can depend on a work Exchange account being set up with certain requirements or some profile installed. For most that don't have that the option would typically be there.Auto lock on my phone is one through five, no never. Removed by policy.