The current version of Grandstream UCM6300 Serie is 1.0.33.42 (as of 04/09/2026). patchletter checks the official source daily and emails you new releases.
Version history & changelog · as detected by patchletter
| Version | Channel | Date | Notes |
|---|---|---|---|
| 1.0.33.42 | STABLE | 04/09/2026 | Release notes → |
| 1.0.33.30 | STABLE | 07/08/2026 | Release notes → |
Frequently asked questions
- What is the latest version of Grandstream UCM6300 Serie?
- Grandstream UCM6300 Serie 1.0.33.42, released 04/09/2026. patchletter checks the vendor's official source daily for new releases.
- Where can I find the Grandstream UCM6300 Serie release notes?
- The version history above links to the vendor's official release notes where the vendor publishes them. patchletter deliberately stores no vendor full texts.
- How do I get notified about new Grandstream UCM6300 Serie updates?
- Tick Grandstream UCM6300 Serie off in the catalogue and leave your address. From then on new versions go out by email — one at a time, or bundled in the daily or weekly digest.
An email as soon as a new Grandstream UCM6300 Serie version ships
We reconcile the vendor source daily. When a new version appears, it lands in your inbox right away or bundled as a digest. The update email is free and ends with one click. Alerts about vulnerabilities and end of support are part of patchletter Pro.
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[](https://patchletter.com/en/software/grandstream-ucm63xx)https://patchletter.com/badge/grandstream-ucm63xx.svgAlso available: ?v=eol (end of support) and ?v=cve (actively exploited).
