Modern Smart TVs are complex computing devices that require regular maintenance to function properly. Software (Software) is your TV's operating system, which controls everything from video stream decoding to app operation and the interface. Manufacturers constantly release security patches and functional improvements that fix bugs and add support for new codecs.
Update via WiFi — the most convenient and secure way to keep your device up to date. You don't need any additional cables, flash drives, or access to the service menu. All you need is a stable internet connection and a few minutes of free time. Critical: Before starting the procedure, make sure that the remote's battery charge is at least 30%, as some Android TV models may turn off the remote during active system boot.
In this article, we will take a detailed look at the firmware update process on TVs. Sony Bravia with the operating system Android TV And Google TVYou'll learn how to check your current firmware version, how to run automatic installation, and what to do if the process freezes or fails.
Preparing for the update: checking the network and compatibility
Before you start downloading update files, please ensure that your network connection is stable. Internet channel speed Directly impacts latency: firmware files can weigh between 500 MB and 2 GB. A weak signal can lead to interrupted downloads and corrupted system files, so using a wired Ethernet connection is preferable if the router is located far away.
Check that automatic update installation is enabled in the system settings. Users often disable it to save data, but in the case of TVs, this can lead to vulnerable software versions being used. It's also a good idea to free up space on your device's internal memory, as temporary files can require up to 500 MB of free space.
⚠️ Attention: Don't attempt to update your TV if it's connected to a mobile hotspot with limited data. The download may exhaust your data plan, and the speed may be insufficient to properly transmit the packets.
Make sure your TV model actually supports over-the-air updates. Older models in the lineup Sony Bravia (manufactured before 2015) may require connection via a USB port. Current models based on Android TV usually support OTA (Over-The-Air) updates without restrictions.
Automatic update via the settings menu
The easiest way to update the firmware is to use the built-in system mechanism. The interface may vary slightly depending on the version. Android, but the logic remains the same. You need to go to the main menu and find the section responsible for system settings.
Use the remote control to navigate. Press the button Quick Settings (gear icon) or go to the user profile. Then select Settings (Settings). In the list that opens, find the section System or About TV (About).
Inside the system menu, select the item Reference (Help) or immediately Updating system software (System software update). The system will automatically contact the servers. Sony and check for a new version. If an update is available, a notification will appear on the screen with the version number and a list of changes.
☑️ Checklist before launching the update
After confirming consent, the download will begin. You can use the TV during this time, but running heavy apps may slow down the process. Once the download is complete, the system will prompt you to reboot.
Manual verification and installation via Google Play Store
Sometimes the system menu doesn't display available updates due to data caching or regional restrictions. In this case, you can use the app store. Google PlaySystem components Android TV are frequently updated independently of the main firmware.
Open the app Google Play Store on the TV. Go to profile settings (user icon in the corner) and select Manage applications and devicesHere you will see the section Updates are available.
If the list contains system components (for example, Android TV Core Services or Sony Video & SideView), update them. This may resolve issues with Smart features without the need for a complete firmware update.
Why might updates not arrive immediately?
Manufacturers release updates in waves. Even if a new version is already posted on the forum, it may take several days or weeks for it to arrive on your specific TV. This is done to reduce the load on the servers.
Alternative Method: Update via USB Flash Drive
If the WiFi connection is unstable or the TV can't detect the network at all, the only option is manual installation via an external drive. This method is considered more reliable, as it eliminates the influence of wireless network interference.
You will need a computer with internet access and a USB flash drive with a capacity of at least 4 GB, formatted in the file system FAT32Download the firmware file from the official support website. Sony, strictly following the instructions for renaming the file.
Insert the drive into the TV's USB port. The system should automatically detect the update file and prompt you to install it. If this doesn't happen, go to Settings → Storage and find the file manually.
| Parameter | Update via WiFi | Update via USB | Automatic (night) |
|---|---|---|---|
| Speed | Depends on the router | Depends on the flash drive (USB 3.0 is faster) | Low (background mode) |
| Stability | Medium (risk of breakage) | High | High |
| Complexity | Minimum | Requires a PC and a flash drive | No action required |
| Recommendation | For scheduled updates | In case of network failures or "brick" | For lazy users |
⚠️ Attention: When using the USB method, do not remove the drive until the process is complete and the TV has rebooted. This will inevitably damage the bootloader.
Solutions to common problems and errors
The update process doesn't always go smoothly. Users often encounter the message "Unable to update software" or an endless download loop. In most cases, the problem stems from a full cache or conflicting installed applications.
Try resetting the network settings or completely unplugging the TV for 2-3 minutes. This will clear the RAM and reset any temporary WiFi module errors. Deleting apps you haven't used for a while also helps.
If the TV is stuck on the logo SONY or Android During the update, don't panic. Wait at least 15-20 minutes. If the screen doesn't change, try performing a forced reboot by holding the power button on the remote or TV for 10 seconds.
Setting up automatic updates and optimization
To avoid having to manually install patches in the future, set up automatic mode. In the menu Settings → System → About TV → Updating system software find the item Automatically and activate it.
You can choose a time to set it, for example, at night when the TV is not in use. In this mode, the device will download files in the background and reboot at the specified time.
Regularly clearing the application cache also helps ensure stable system operation after updates. Go to Settings → Applications, select heavy programs (YouTube, Netflix) and press Clear cache.
Is it possible to interrupt the update if the TV is frozen?
Interrupting the process is highly discouraged. If the progress bar has been stuck for more than an hour, you can try turning off the power, but this carries the risk of damaging the software. It's best to wait until the process completes or try Safe Mode.
How much space is needed for a system update?
It's recommended to have 1 GB of free internal storage. The firmware file may be smaller, but the system needs space to unpack archives and create temporary files.
Will my settings and apps be lost after the update?
No, a standard update preserves all user data, accounts, and installed apps. A reset only occurs in the event of a critical error or a forced reflash via the service menu.
Why does my TV work slower after the update?
During the first few minutes after installation, the system indexes files and optimizes databases. Let the TV run for 10-15 minutes without user interaction.