About this download

Benefits and Improvements

• Improves Bluetooth connection stability

NOTE for version 3.0.0 or later: Using the Equalizer and DSEE HX at the same time will increase the battery consumption of the headphones and reduce the continuous playback time.

Previous Benefits and Improvements

View previous benefits and improvements

System Requirements

• An Android device (V5.0 or later) or an iOS device (iOS 11.0 or later) 
  NOTE: If you are using iOS 13.1, please update to iOS 13.2 or later and then perform the update.
• An active Internet connection
• The latest version of the Sony | Headphones Connect application must be installed.
• The headphones must be connected to your Android or iOS device.

File Info

File Name

• Firmware update 3.1.2 for WF-1000XM3

File Version

• Version 3.1.2

File Size

• 998 KB (1 022 160 bytes)

Release Date

• 15-04-2021

Preparation

Check the firmware version

If the firmware is version 3.1.2, you do not need to perform the update.
If you're not sure, it's easy to check which version of firmware you have:

1. Launch the Sony | Headphones Connect application.
2. Connect your headphones to the Sony | Headphones Connect application.
3. Tap the three dots (menu button) in the upper right corner.
   
4. Select the Version of your device shown in the Menu. This item is shown only when the device is connected.
5. Confirm the headphones firmware version.

Important Notice

• DO NOT insert the main unit into the battery charger or Power off while downloading/transferring data/updating, otherwise the headphones may become unusable. 
  
• The function assigned to the touch sensor may change when you perform the software update.
  In such cases, please use the Sony | Headphones Connect app to reassign the function to the touch sensor.
• DO NOT Power off the device.
  DO NOT tap (power button).
  
• When updating the headphones when you are not wearing it, set the Automatic power off function (power off the function when it is not worn) to Do not turn off.
  If it is set to Off when headphones are taken off, the headphones will automatically turn off about 5 minutes later and suspend data transfer of the update file. After that, when you turn on the headphones and reconnect it using Bluetooth, the suspended data transfer will restart.
  NOTE: If you have changed the settings, please set it back to Off when headphones are taken off after the update is complete.
  
• DO NOT perform the update in a location where the Wi-Fi signal is inconsistent, such as:
  • on a train/in a place where Wi-Fi signals become congested
  • near a microwave, cordless phone or any other devices that use the 2.4 GHz band frequency radio waves
• Make sure both devices (Android/iOS device and headphones) are fully charged.
• Disconnect all other Bluetooth devices such as wearable devices or smart watches from your Android/iOS device before starting the update.

Before you upgrade

• Once updated, the firmware cannot be reverted to an earlier version.
• For Android/iOS devices, the update process will take approximately 40 minutes to complete. (The file size is about 998 KB)
• Depending on the radio wave environment and your Android/iOS device, it may take longer to complete.
• To update these headphones, follow the procedure below: but when Automatic download of software setting is enabled (factory default setting) on Sony | Headphones Connect, download and transfer of update software will be started automatically.
  • Download data from the server to the iOS device or the Android device.
  • Transfer data from the iOS device or the Android device to the headphones. (You can use the headphones normally while the transfer is going on in the background, but the Google Assistant cannot be used while the transfer is going on.)
  • Execute update with the headphones.

Download & Install

To update the headphones, follow the procedure below:

• Download data from the server to the iOS device or the Android device.
• Transfer data from the iOS device or the Android device to the headphones.
• Execute update with the headphones.

Step 1: Install the update

1. Launch the Sony | Headphones Connect application.
2. Connect your headphones to the Sony | Headphones Connect application.
   • If you have never connected to the Sony | Headphones Connect application before, follow the instructions on the screen to connect the headphones to your Android device.
   • If you have connected to the Sony | Headphones Connect application before, select your headphones. 
     NOTE: Make sure that both the right and left sides of the headphones show as being connected.
3. • When the Automatic download of software setting is enabled on the Sony | Headphones Connect (the factory default setting), the download and transfer of the update software will be done automatically.
     Go to step 6.
   • If you disable the Automatic Software Download setting, downloading and transferring updated software will not start automatically.
     Go to step 4 to complete the process.
      
4. When a connection has been established and an update is available, at the The latest headphones software is available message screen, press More info.
   
5. At the Update Software screen, make sure Version 3.1.2 is displayed, and then press START.
   
   NOTE: If a Switching software transfer destination… message is displayed, do nothing. After a few seconds the previous screen will return.
   
6. At the Update the headphones software screen, press More info.
   
   NOTE: If the screen is not displayed, Auto Power Off Function is turned off. 
   Change the Auto Power Off Function to Do not turn off.
7. At the Update Software screen press START.
   
8. The update process will start and take a few minutes to complete.
   DO NOT insert the main unit into the battery charger while updating, otherwise the headphones may become unusable.
   
   NOTE: During the update, the headphones will turn off and then back on automatically, and automatically reconnect with the Android or iOS device via Bluetooth to complete the update. 
9. When the software update is completed, press OK.
   
   NOTE: If the screen is not displayed, check whether the version is shown as 3.1.2. If it is, the firmware update was successful. If not, try the firmware update again.

Step 2: Check the update was successful

After the update, confirm that the new version has been installed successfully by following the steps in the Check the firmware version section.

If the firmware version shown is 3.1.2, the upgrade was successful.

Questions & Answers

An update error message appears.

1. Press OK.
2. Restart the headphones (insert the headphones into the case and remove them from the case).
3. After that, restart Sony | Headphones Connect and update again.

Even though the update failed during the process, check the firmware version. If the Version is shown as 3.1.2, the firmware update was successful. If not, try the firmware update again. You can check the Version from the setting in the Sony | Headphones Connect application. To find out how to check the version, go to the Check the firmware version on this page.