If the video on your TV doesn't match the audio on your speakers, adjust with Lip Sync Tuning.
- Turn on your Fire TV device.
- Select Settings from the home screen.
- Select Display & Settings.
- Select Home Theater Settings.
- Select Lip Sync Tuning.
- Follow the on-screen instructions to synchronize your audio and video.
There are a few causes that can lead to audio delay/lagging, video subtitles out of sync, or lip-sync errors when streaming Amazon Prime Video. Improper frame matching settings in your Apple/Roku/Samsung/Fire TV, or problems with your streaming devices. 2. Old software version on your device.
How do I fix the Amazon Prime Video audio out of sync problem?
- Press the Home button on your Apple TV remote.
- Open Settings.
- Select Video and Audio option.
- Open Match Content.
- Turn off the Match Frame Rate option.
- Relaunch the Prime Video app and check if the audio out of sync issue is resolved.
Clear App Data and Cache on Fire TV Devices
- Go to Settings on your Fire TV.
- Select Applications.
- In Manage Installed Applications, select the app you are having trouble with.
- Select Clear Cache, and then Clear Data.
The most common reason audio and video gets out of sync is due to audio processing speed. Audio often processes a lot faster than video, particularly when it comes to 4K videos. High-resolution video files take up a lot of space, and as a result it can take longer to process a video signal than an audio signal.
Restart Your Fire TV Device to Increase Speed
- Open your Fire TV interface and go to the home menu.
- On the menu items at the top of the screen, scroll to the right and choose “Settings”.
- Scroll right and select “Device”
- Choose “Restart” and confirm in the next window.
- The Fire TV Stick will automatically reboot.
Most people keep their Fire TV Sticks plugged in and running all the time, even when they aren't using them. Just like a computer or phone, an occasional restart can help unclog a struggling Fire TV Stick and breathe new life into it. You can either unplug the device and plug it back in again, or restart from Fire OS.
Amazon Fire Stick is a modern age portable gadget filled with entertainment for its users, easy to operate, and have several versatile features. If used properly, with all the suggested precautions, this product can last for about 3 to 5 years. However, like any other electronic device, they are also fallible.
Unplug the power cord or adapter for three seconds, and then plug it back in. To restart your device from the menu: Go to Settings.Select My Fire TV, and then Restart.
Amazon's $40 third-generation Fire TV Stick is nearly identical to its predecessor, just a bit faster and equipped with a new remote, which is enough to preserve its status as the best media streamer for 1080p TVs.
Some typical problems you may run into with your Amazon Firestick include app errors/crashing, audio and visual problems, and a blank or frozen home screen.
Unplug the power cord from your device or wall outlet for several seconds then plug it back in. Press the source or input button on your remote and ensure your TV input matches the name or number of the HDMI port your Fire TV is plugged into (often located on the back of your TV).
Problems with the Firestick remote can occur after several weeks or months of use. It's also possible that your remote will malfunction as soon as you unbox it. If the latter applies, the best solution is to return it straight away.