It can strike any YouTube video randomly and stop you from adjusting its resolution.

But worry not, as it’s very easy to troubleshoot this issue.

This feature automatically downloads videos based on your viewing habits, which can cause problems.

Flex Mode in the YouTube app on the Samsung Galaxy Z Flip 5.

Joe Fedewa / How-To Geek

Having known the reasons, let’s check out the solutions you could attempt to troubleshoot the issue.

Then, toggle off the “Smart Downloads” switch.

bring up the YouTube app on youriPhoneorAndroiddevice and tap your profile icon in the bottom-right corner.

Background & downloads option on YouTube.

Tap the gear icon in the top-right corner to enter the controls menu.

Tap the “Background & Downloads” option.

Turn off the “Smart Downloads” toggle.

Smart downloads toggle on YouTube.

If you want to toggle off the Smart Downloads feature on the desktop, openYouTubein a web app.

Click “Downloads” in the left sidebar and turn off the “Smart Downloads” toggle.

And that’s about it.

Settings option on YouTube.

Now, you should be able to adjust the resolution of YouTube videos.

You’ll only be able to change the resolution once the video is fully processed.

Unfortunately, there’s no guarantee of how long it takes for a video to be fully processed.

Smart downloads option on YouTube.

It can sometimes take hours, depending on the video quality and the load on YouTube’s servers.

To confirm this, openFast.comin your web app andcheck your internet speed.

In such cases, your best bet is to give the app a good old-fashioned restart.

Internet speed on Fast.com website.

This can easily be done on bothAndroidandiPhone.

Phew, that should knock out the “Quality Unavailable” bug on YouTube!