Update 3CX
Install the latest updates safely.

| What you need | Affects |
|---|---|
| Admin access to the 3CX Admin Console, and a recent backup | The whole system while it updates |
1. Prepare
- Back upTake a backup and download a copy.
- Pick a quiet timePlan to update outside business hours, as calls may drop briefly.
2. Update
- Open UpdatesIn the Admin Console, open Updates.
- Read the notesReview what each update changes.
- InstallSelect the updates and install them. 3CX may restart services.
- CheckWhen it finishes, make a test call in and out.
Troubleshooting
| Problem | Likely cause and fix |
|---|---|
| Phones show offline after the update | Give them a few minutes, then restart one to check it reconnects. |
| The update fails | Check disk space and internet access, then try again. |