Go to Menu - Tools - Settings - Security - Phone and SIM - Autolock Period
The autolock period is in minutes. Activating this feature need lock code, and we can use the default code : 12345
If all routes have the same BGP attributes ( all routes are equally good ), router will checks the BGP sessions on which it received the updates and chooses the route that was received from the router which has the lowest BGP router-ID.