Check out the step by step below to disable the automatic playback of Netflix previews. When opting out, trailers will no longer be played on all devices where that account is logged, whether on the PC, the Android and iPhone (iOS) mobile application or smart TVs.
Step 1. Open Netflix on your computer and tap the arrow on the top menu. Then, click Manage profiles;
Step 2. Click on the profile to be changed;
Step 3. Uncheck the option Automatically play previews when browsing all devices. Finish with the Save button.