Notice Before Updating

About This Download

Benefits and Improvements

• Adds support for the following features:
  • Auto Switch
  • Auto Play
  • Google Fast Pair through LE Audio priority connection
  • The new Google's Find My Device (only during dedicated Classic Audio connection)

System Requirements

• An Android device (Ver. 9.0 or later) or an iPhone (iOS 16.0 or later)
• An active Internet connection
• The latest version of the Sony | Sound Connect app (Ver. 11.0.0 or later) must be installed
• The headset must be connected to your Android device or iPhone

File Info

• Name: Firmware update 1.2.0 for LinkBuds Fit
• Version: 1.2.0
• Size: 3 889 KB (3 982 800 bytes)
• Release Date: 10-02-2024

Preparation

Check the Firmware Version

If the firmware version is 1.2.0, you do not need to perform the update. If you're not sure, it's easy to check which firmware version you have:

1. Launch the Sony | Sound Connect app.
2. Connect your headset to the Sony | Sound Connect app.
3. Press the three dots (Menu button) in the upper right corner.
   
4. Select the headset version shown in the Menu. This will only be shown when the headset is connected to the Sony | Sound Connect app.
5. Confirm the firmware version.

Important Notice

• Do not turn the headset off or tap the (Power button).
  
• Do not perform the update in a location where the Wi-Fi signal is inconsistent or congested, such as on a train or near a microwave, cordless phone, or any other devices that use the 2.4 GHz band frequency radio waves.
• Make sure both devices (Android/iPhone and the headset) are fully charged.
• In the Sony | Sound Connect app, set the Automatic Power Off function (power-off function when non-equipped) to Do not turn off.
  Note: You can restore this setting after the update is complete.
• Disconnect all other Bluetooth devices such as wearable devices or smartwatches from your Android device/iPhone before starting the update.

Before You Upgrade

• Please update to the latest version of the Sony | Sound Connect app (Ver. 11.0.0 or later).
• Once updated, the firmware cannot be reverted to an earlier version.
• If you use an Android device, the update process will take approximately 40 minutes to complete.
• If you use an iPhone, the update process will take approximately 60 minutes to complete.
• Depending on the radio wave environment and your Android device or iPhone, the update process may take longer to complete.

Download & Install

To update the headset, follow the procedure below:

1. Download the data from the server to the Android device or iPhone.
2. Transfer the data from the Android device or iPhone to the headset.
3. Complete the update using the headset.

Step 1: Install the Update

1. Launch the Sony | Sound Connect app.
2. Connect your headset to the Sony | Sound Connect app.
   Note: If you have never connected to the Sony | Sound Connect app before, follow the instructions on the screen to connect with headset.
3. If you have connected to the Sony | Sound Connect app before, select your headset. The download and the transfer start, after that it will automatically move to the next screen after it is complete.
   Note: When the Automatic download of software setting is enabled (factory default setting) on the Sony | Sound Connect app, the download and transfer of the update software is started automatically. If you have disabled the Automatic download of software setting on the Sony | Sound Connect app, the download and transfer of the update software will not start automatically and you will need to follow the procedure below:
   1. Make sure both the R and L sides of the headset are connected.
   2. The following screen will be shown when the connection has been established. If an update is applicable, the message The latest audio device software is available will be displayed and you can press MORE INFO.
      
   3. Move to the Update Software screen. Verify that Version 1.2.0 is displayed and press START (for Android device) or Start (for iPhone).
4. Update the audio device software will be displayed and you can press MORE INFO.
   
5. Move to the Update Software screen. Verify that Version 1.2.0 is displayed and press START (for Android device) or Start (for iPhone).
6. The update process will start and take a few minutes to complete.
   
   Note: During the update, the headset will turn off automatically. They will turn back on and reconnect via Bluetooth before the update is completed.
7. When the software update is completed, press OK.

Step 2: Check the Update Was Successful

After the update, confirm the new version has been installed successfully by following the steps in the Check the Firmware Version section. If the firmware version shown is 1.2.0, the upgrade was successful.

Questions & Answers

What Should I Do If an Update Error Message Appears?

1. Press OK.
2. Restart the headset (put them in the case and then remove them).
3. After that, restart the Sony | Sound Connect app and try the update again.

Even though the update failed during the process, check the firmware version to confirm. If the version shown is 1.2.0, the firmware update was successful. If not, try the update again. For details, check the firmware version from the Sony | Sound Connect app settings or go to the Check the Firmware Version section on this page.