Why does YouTube TV buffer only at night?

Network congestion is highest in the evening when many people stream at once. Your ISP or router may throttle or slow traffic during “peak usage,” which makes YouTube TV buffer more. Switching to a 5 GHz or 6 GHz Wi‑Fi band, or using a wired connection, often reduces this issue.

Do I need a new router for 4K YouTube TV?

If your router is older than about 4 years, it may not handle high‑bitrate 4K live streams well. In 2026, a Wi‑Fi 6E or Wi‑Fi 7 router can help reduce buffering and loading issues for YouTube TV and other 4K services.

How much data does YouTube TV use per hour?

YouTube TV uses about 3–4 GB per hour for 1080p HD and around 15–20 GB per hour for 4K, depending on your connection and quality settings. If your plan has a monthly cap, this can contribute to buffering or throttling over time.

How do I fix YouTube TV audio out of sync?

In 2026, audio sync issues are often caused by the '5.1 Surround Sound' setting on older hardware. To fix this, open the YouTube TV app, go to Settings > Internal Video Player, and toggle 5.1 Audio to 'Off.' This forces a standard stereo downmix, which usually realigns the audio and video tracks instantly.

Does a VPN cause YouTube TV playback errors?

Yes. YouTube TV actively blocks known VPN IP addresses to enforce regional licensing. If you see a 'Playback Error' or a constant spinning wheel, your VPN is likely flagged. Disable your VPN or switch to a 'split-tunneling' mode that excludes the YouTube TV app to restore a stable, unblocked connection.

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