Notice of system update

Updating your system will provide you with the latest software and improve functionality.

Update Details

Supported Models GSW-H1000
Update Start Date May 23, 2023 (JST)
Version Number after Update
(Build number)
Size 131.4MB or less

Update Description

  • Updates security patches (to enhance security).
  • Improves stability.

Update Method

Updates are performed automatically. It may take some time before your watch is updated.
While an update is in progress, never hold down the power button in an attempt to restart the watch system. Doing so may make the watch unusable.

Never try to restart the watch system while the above is displayed.

  • Make sure the watch’s charge level is at least 80% before updating. Also, connect the charger to the watch and pair it with a smartphone for updating.
  • For iPhone users, you should be in an environment where Wi-Fi is available.
  • Watches are sequentially updated worldwide. It takes about one week to finish updating all watches.
  • Visit the site below for information about the update operation procedure.
    Wear OS by Google Help
  • Check if there are any updates availalble for your CASIO and GOOGLE apps. Be sure to install all available updates.
    Settings Required to Use CASIO Apps

To check the software version

  1. STEP1Tap the watches face to wake it up.

  2. STEP2Swipe the screen from top to bottom.

  3. STEP3Tap the [Settings] icon.

  4. STEP4Scroll all the way to the bottom of the screen and then tap [System].

  5. STEP5Tap [About].

  6. STEP6Swipe from bottom to top to display the build number in the middle of the screen.