How to find and update your TV firmware (and why it’s critical to do it properly)


Roku Streaming Stick

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I’ve already told you the various uses of the USB ports that come standard on the back or side of any smart TV. In this article, I focus on a particularly important use: installing firmware updates using a USB device.

Updates are essential because they ensure your TV has the latest software, features, and security patches. Most smart TVs are designed to automatically check for and install updates over Wi-Fi — as long as they’re connected to the internet, and the automatic update feature is enabled. To confirm this, you can usually find a “Check for Updates” option in the TV’s settings menu.

Also: How we test TVs at ZDNET in 2026

But if your TV has an unstable Wi-Fi connection — or you simply prefer a manual approach — the following is a walkthrough of how to use a USB drive to do the job.

1. Identify your TV’s model number

Start by finding your TV’s specific model number. It’s usually on a sticker or label on the back of your set, which can often be tricky to read — especially on a wall-mounted TV. Take a flashlight with you and jot down what you see on the sticker. Better yet, turn on your phone camera (with flash) to reach behind the TV and snap a picture of the sticker so you’ll have the information forever.

You should also be able to find the model number in the TV’s settings menu under the “About” or “Support” section.

2. Locate the firmware update

USB ports on side of TV.

Kerry Wan/ZDNET

Go online and visit the manufacturer’s official website to look for the “Support” or “Downloads” section. Use the search function on the website and enter your TV’s model number. This should bring up a list of available downloads for your specific model. Look for the latest firmware update file.

Be sure to pay close attention to the region and version information for the firmware update. Downloading and installing the wrong firmware can cause serious problems with your TV, potentially “bricking” it, which is the worst thing that can happen to any smart device because it renders it unusable.

3. Download and extract the firmware file

The firmware update file will usually come in a compressed format, such as a ZIP file. In your computer’s Downloads folder, right-click on the ZIP and select “Extract All.” (I usually extract files to my desktop for quick access.) The actual firmware files inside the ZIP will typically have extensions such as “.bin” or “.img.”

4. Copy the firmware file to the USB drive

Ensure your USB stick has sufficient free space to accommodate the firmware update file and is formatted for the FAT32 file system. (Most pocket drives are formatted for FAT32 by default, making them compatible with Windows, macOS, and Linux.) Just remember that reformatting a USB drive will erase all data on it, so be sure to back up any files already stored on it before proceeding.

Also: You should probably clear your TV cache right now (and why it makes such a big difference)

Copy the extracted firmware file(s) directly to the root directory of the USB drive. Do not place them in any subfolders, as this may prevent the TV from recognizing them. The last thing you want is a USB of files that can’t be read when you’re adding them back into the system.

In this case, I recommend using the “Safely Remove Hardware” option in the bottom-right taskbar on your computer to eject the USB drive properly. (Always use that feature to safely remove a USB.)

5. Plug in and update

Sony Bravia 5 TV

Kerry Wan/ZDNET

Turn on your TV. Insert your USB drive containing the firmware file into a USB port. In some cases, the TV may automatically detect the firmware file on the USB drive and prompt you to start the update process. If this doesn’t happen, you’ll need to navigate to the TV’s settings menu. 

Look for an option labeled “Software Update,” “Firmware Update,” or a similar term. Select the USB drive as the update source and follow the on-screen instructions.

Also: My living room TV sounded so much better after I considered these 3 factors

While your TV installs the firmware update, it’s best to walk away for a minute and let the devices do their thing. Don’t turn off the TV or remove the USB drive while the update is in progress, as this could damage the TV’s software. The TV may restart automatically once the update is complete.

6. Verify the update

After the update process is complete, return to the TV’s settings menu. Check the “Software Version” or “Firmware Version” information to confirm that the update was successful and that the TV is now running the latest firmware.

If the TV doesn’t detect the firmware file on the USB drive, try reformatting the drive or using a different one. If the update process fails, try downloading the firmware file again and repeating the steps. If you continue to encounter issues, contact the manufacturer’s customer support for assistance.

Updating your TV’s firmware is crucial to maintaining optimal performance and ensuring you have access to the latest features and improvements. It can resolve a variety of issues, such as sluggish response times, unexpected errors, and compatibility problems with external devices. 

Firmware updates often include bug fixes that address known issues and vulnerabilities, enhancing the overall stability and security of your TV. They may also introduce new functionalities, such as support for new video and audio formats, improved picture and sound quality, or enhanced energy efficiency.

By keeping your TV’s firmware up to date, you can enjoy a smoother, more responsive, reliable, and user-friendly viewing experience.





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Recent Reviews


Spotify aims to provide a consistent listening experience that uses minimal data. As a result, your audio quality might be less than ideal, especially if you’re using a pair of high-fidelity headphones or high-end speakers. Here’s how to fix that.

Switch audio streaming quality to Very High or Lossless

The default audio streaming quality in both the mobile and desktop Spotify apps is set to Automatic, which usually keeps the audio quality at Normal, which is only 96 Kbps. Even though Spotify uses the Ogg Vorbis codec, which is superior to MP3, OGG files exhibit slight (but noticeable) digital noise, poor bass detail, dull treble, and a narrow soundstage at 96 Kbps.

Even worse, Spotify is aggressive about adjusting the automatic bitrate. Even though 4G is more than fast enough to stream high-quality OGG files, even with a weak signal, Spotify may still drop the quality to Low, which has a bitrate of just 24 Kb/s. You will notice such a sharp drop in quality, even on a pair of bottom-of-the-barrel headphones.

To rectify this, open the Spotify app, tap your user image, open “Settings and privacy,” and tap the “Media Quality” menu. Once there, set Wi-Fi streaming quality and cellular streaming quality to “Very high” or “Lossless.”

I recommend setting cellular streaming quality to Very high and reserving Lossless for Wi-Fi, since lossless streaming is very data-intensive. One hour of streaming lossless files can take up to 1GB of data, as well as a good chunk of your phone’s storage, because Spotify caches files you’re frequently streaming. Besides, you’ll struggle to notice the difference unless you’re listening to music on a wired pair of high-end headphones or speakers; wireless connection just doesn’t have the bandwidth needed to convey the full fidelity of Spotify lossless audio.

You might opt for High quality if you have a capped data plan, but I recommend doing so only if you stream hours upon hours’ worth of music every single day over a cellular network. For instance, I burn through about 8 GB of data per month on average while streaming about two hours of very high-quality music over a cellular network each day.

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Set audio download quality to Very high or Lossless

If you tend to download songs and albums for offline listening, you should also set the audio download quality to “Very high” or “Lossless.” This setting is located just under the audio streaming quality section.

The audio download quality menu in Spotify's mobile app.

If you’ve got enough free storage on your phone, opt for the latter, but if you’d rather save storage space, set it to Very high. You’ll hardly hear the difference, but lossless files are about five times larger than the 320 Kb/s OGG files Spotify offers at its Very high quality setting, and they can quickly fill up your phone’s storage.

Adjust video streaming quality at your discretion

The last section of the Media quality menu is Video streaming quality. This sets the quality of video podcasts and music videos available for certain songs. Since I care about neither, I set it to “Very high” on Wi-Fi and “Normal” on cellular, but you should tweak the two options at your discretion because songs sound notably better at higher video streaming quality levels.

If you often watch videos over cellular and have unlimited data, feel free to toggle video quality to very high.

Make sure Data Saver mode is disabled

Even if your audio quality is set to Very high or Lossless, Spotify will switch to low-quality streaming if the app’s Data saver mode is enabled. This option is located in the Data saving and offline menu. Open the menu, then set it to “Always off,” or choose “Automatic” to have Spotify’s Data Saver mode kick in alongside your phone’s Data Saver mode.

You can also enable volume normalization and play around with the built-in equalizer

Spotify logo in the center of the screen with an equalizer in front. Credit: Lucas Gouveia / How-To Geek

Last but not least, there are two additional features you can play with to improve your listening experience. The first is volume normalization, which sets the same loudness for every track you’re listening to. This can be handy because different albums are mastered at different loudness levels, with newer music usually being louder.

Since I’m an album-oriented listener, I keep the option disabled. I can just play an album and set the audio volume accordingly, and I don’t really mind louder songs when listening to playlists, artists, or song radios.

But if you can’t stand one song being quiet and the next rattling the windows, visit the Playback menu, enable “Volume normalization,” and set it to “Quiet” or “Normal.” The “Loud” option can digitally compress files, and neither Spotify nor I recommend using it. This also happens with “Quiet” and “Normal,” since both adjust the decibel level of the master recording for each song, but the compression level is much lower and extremely hard to notice.

Before I end this, I should also mention that you can access the equalizer directly from the Spotify app, where you can fine-tune your music listening experience or pick one of the available equalizer presets. If your phone has a built-in equalizer, Spotify will open it; if it doesn’t, you can use Spotify’s. On my phone (a Samsung Galaxy S21 FE), I can only use One UI’s built-in equalizer.

To open the equalizer, open “Playback,” then hit the “Equalizer” button. Now you can equalize your audio to your heart’s content.


Adjusting just a few settings can have a drastic impact on your Spotify listening experience. If you aren’t satisfied with Spotify’s sound quality, make sure to adjust the audio before jumping ship. You should also check the sound quality settings from time to time, as Spotify can reset them during app updates.​​​​​​​

Three phones with a Spotify screen and the logo in the center.


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