How do I select 4K 60fps?

By tapping the icon on the bottom right hand side of the screen you will see the top option that says "Resolution". Here you can select the following resolution choices:

• 4k (3840x2160) 30 FPS
• 4k Ultra (3840x2160) 24 FPS
• 2.7k (2704x1520) 30 FPS
• 2.7k Ultra (2704x1520) 30 FPS
• 2.7K 4:3 (1920x1440) 30 FPS
• 1440 (1920x1440) 30 FPS
• 1080 (1920x1080) 30 FPS
• 1080 Ultra (1920x1080) 30 FPS
• 960 (1280x960) 60 FPS
• 720 (1280x720) 240 FPS
• 720 Ultra (1280x720) 60 FPS
• 480 (848x480) 240 FPS