Using SnapOS Update on zTC

Summary

Guide to check for, download, and install firmware and software updates on SnapOS devices—manually or via zMAN.

Prerequisites

• zTC with SnapOS ≥1.3
• Internet access or local update server URL
• Administrator privileges

Procedure

1. Manual Update
   • Start → Applications → SnapOS Update
   • Click “Check for Updates” → select available updates → Install → Reboot if prompted
2. Update from USB
   • Copy update bundle (*.spk) to USB → insert → SnapOS Update → “Install from USB” → select bundle → Install
3. Schedule via zMAN
   • In zMAN Console → Groups → SnapOS Update policy → set time window → Deploy

Advanced Configuration

• Staged Rollout: target a pilot group first → verify stability → expand to all devices.
• Delta Updates: enable differential updates to reduce bandwidth usage.

Related Features

• zMAN Integration article for centralized policy
• Log Configurator for update logs

Troubleshooting

• Update fails mid-download: switch to a local FTP server or USB bundle.
• Post-update boot loop: boot via recovery USB and restore previous firmware.

FAQs

How often should I check for updates?

Monthly for security releases; quarterly for feature releases.

Can I rollback an update?

Yes—use recovery USB with archived firmware image to restore.