This article explains how to update the BitBox02 firmware using the BitBoxApp. Firmware updates help keep your BitBox02 secure, reliable, and compatible with the latest BitBoxApp features.
The BitBox02 firmware is installed through the BitBoxApp. You do not need to download firmware files manually.
Before you update the BitBox02 firmware
Before updating the BitBox02 firmware, install the latest version of the BitBoxApp from the official BitBoxApp download page.
The latest BitBoxApp includes the newest compatible firmware for your BitBox02. If a firmware update is available, the BitBoxApp will notify you after you connect and unlock your BitBox02.
Firmware updates are installed through the BitBoxApp
The BitBox02 firmware is bundled with the BitBoxApp. Firmware updates are not installed manually from GitHub or from separate firmware files.
Why should I update the BitBox02 firmware?
You should keep the BitBox02 firmware up to date to benefit from security improvements, bug fixes, performance improvements, and new features.
Firmware updates may improve how your BitBox02 communicates with the BitBoxApp, how transactions are handled, or how supported features work.
Outdated firmware can miss important fixes
Running outdated BitBox02 firmware or an outdated BitBoxApp may expose you to issues that have already been fixed in newer releases.
How to update the BitBox02 firmware
Follow these steps to update the BitBox02 firmware with the BitBoxApp.
- Open the BitBoxApp.
- Connect your BitBox02 to your computer.
- Unlock your BitBox02.
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Check the left sidebar in the BitBoxApp.
If a firmware update is available, the Settings icon shows a red notification dot.
- Click Settings.
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Open the Manage device tab.
The Manage device tab also shows a red notification dot when a firmware update is available.
- Scroll to the Device information section.
- Click New upgrade available next to the current firmware version.
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- Confirm the firmware update on your BitBox02 using the touch sensors.
- Click Upgrade firmware now in the BitBoxApp.
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Wait until the firmware update is complete.
The BitBoxApp and the BitBox02 both show the update progress.
Do not disconnect your BitBox02 during the firmware update
Keep your BitBox02 connected until the firmware update is complete. Disconnecting the BitBox02 during the update may interrupt the firmware installation.
- Wait for your BitBox02 to restart.
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Unlock your BitBox02 with your device password.
If you use a passphrase, enter your passphrase to access your passphrase wallet.
Your BitBox02 firmware is now up to date.
BitBox02 firmware update completed
After the BitBox02 restarts and unlocks successfully, the firmware update is complete.
Where can I check the latest BitBoxApp and firmware releases?
You can review current and past BitBoxApp and BitBox02 firmware releases on GitHub. These release pages are provided for transparency, technical review, and changelog history.
Use these resources:
The GitHub release pages allow you to check what changed in each version and when a release was published.
Firmware updates themselves are still installed through the BitBoxApp.
Can I independently verify the BitBox02 firmware?
Yes. The BitBox02 firmware can be independently and cryptographically verified.
BitBox firmware is open source and reproducibly built. This means that independent parties can verify that the firmware installed on a BitBox02 matches the publicly available source code.
For advanced verification, follow the BitBox guide on how to independently verify the BitBox02 firmware.
This verification process is optional and intended for advanced users. For most users, installing firmware updates through the official BitBoxApp already provides strong protection, because firmware releases are signed and verified automatically.
FAQ
Do I need to update the BitBox02 firmware manually?
No. BitBox02 firmware updates are delivered and installed through the BitBoxApp.
You do not need to download firmware files manually.
Can I install BitBox02 firmware without updating the BitBoxApp?
No. The BitBox02 firmware is bundled with the BitBoxApp. To receive the latest compatible firmware, install the latest version of the BitBoxApp.
Does every BitBoxApp update include a firmware update?
No. Not every BitBoxApp update includes a BitBox02 firmware update.
If a firmware update is available for your BitBox02, the BitBoxApp will notify you directly.
Will a BitBox02 firmware update affect my coins?
No. A BitBox02 firmware update does not move or change your coins.
Your coins are secured by your recovery words. As long as your backup is safe, your funds can be recovered even if your BitBox02 is lost, damaged, or reset.
What should I do if the firmware update does not appear?
Install the latest BitBoxApp and reconnect your BitBox02.
If the firmware update is available for your device, the BitBoxApp will show the update notification after your BitBox02 is connected and unlocked.
Where can I check what changed in a BitBox02 firmware update?
You can review the BitBox02 firmware release notes and the BitBoxApp release notes on GitHub.
The release notes explain technical changes, bug fixes, improvements, and release dates.