Is there any way to access the Advanced Network Settings directly?

Please follow below steps:

1. Press the HOME button on the remote.
2. Select Setup.
3. Select Network Settings.
4. Select Internet Settings.
5. • For Wired connection:
     1. Select Wired Setup.
     2. Select Manual.
   • For Wireless connection:
     1. Select Wireless Setup.
     2. Select New Connection Registration.
     3. Select Manual Registration.
6. Follow the on-screen instructions.