#Update your Keycard Shell offline

Updating your Keycard Shell offline helps maintain the security of your device by minimizing its exposure to online threats during the update.

#Update your Keycard Shell offline

In addition to your Keycard and Keycard Shell, you need a computer to access the update files ↗, a USB drive to transfer the files, and an air-gapped computer (a computer that is not connected to the internet) to complete the update.

Make sure you enable data transfer on your Keycard Shell before starting the update process.

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#Step 1: Download the updater and update files

1. 1
   Open the update page at https://shell.keycard.tech/update ↗.
2. 2
   Click Update in air-gapped mode.
3. 3
   Click Download Shell Updater. To download for a different operating system, click Expand ⌵ and select the preferred option.
4. 4
   Click Download firmware.
5. 5
   Click Download database.
6. 6
   Optionally, verify the integrity of the downloaded files using the SHA256 checksums shown on the update page.
7. 7
   Transfer the downloaded files to your air-gapped computer using a verified and secure USB drive.

#Step 2: Update your Keycard Shell

1. 1
   On your air-gapped computer, unzip and run the updater application.
2. 2
   Under Database Update, click Select local file and select the database file on your USB drive.
3. 3
   On your Keycard Shell, confirm the database update by pressing OK.
4. 4
   Return to the updater, click Back to home.
5. 5
   Under Firmware Update, click Select local file and select the firmware file on your USB drive.
6. 6
   On your Keycard Shell, confirm the firmware update by pressing OK.