Retevis NR40 firmware `v20260725`

Retevis · Released Jul 25, 2026 · First seen Sep 12, 2026

v20260725 is the latest firmware for the Retevis NR40, released July 25, 2026.

What's in this update

Release notes not published by vendor — see official page. Check Retevis's website for the full details of what this update changes.

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