Info
Update firmware and database in air-gapped mode
Air-gapped updates offer maximum security and control, keeping your Shell up to date without ever touching an internet-connected machine. Read article Updating Shell firmware and database in in air-gapped mode to learn more.
1. Download stand-alone Shell updater app
Standalone updater app allows you to update Shell without using internet and web-browser.
Check the app SHA256 checksum here. Use shasum -a 256 to validate your download before using it. Read Help article for detailed instruction.
Copy Shell updater app to freshly formatted USB stick. To avoid hidden malware, always format the USB drive before transferring files.
Copy Shell updater app to freshly formatted USB stick. To avoid hidden malware, always format the USB drive before transferring files.
2. Download firmware package
Check the integrity using SHA256 checksum.
Read Help article for detailed instruction.
Copy to the same USB drive.
• SHA256:
Use shasum -a 256 to validate your download before using it. Read Help article for detailed instruction.
Copy to the same USB drive.
3. Download database package
Check the integrity using SHA256 checksum.
Read Help article for detailed instruction.
Copy to the same USB drive.
• SHA256:
Use shasum -a 256 to validate your download before using it. Read Help article for detailed instruction.
Copy to the same USB drive.
4. Prepare offline device
Install a clean OS on an empty hard drive or external boot disk. This could be:- Your current machine (dual-boot or temp clean install)
- A secondary dedicated device
5. Run standalone updater and follow instructions
Boot your offline machine, plug in the USB, and launch the updater.Follow on-screen steps to update firmware and database.
Shell now runs the latest software without ever touching an internet-connected OS.
What's next?
Keep your Shell secure and up-to-date and join our community
