known-issue

YUKA mini: firmware 1.14.2.2304 — loud/screeching noise at medium blade speed

Models covered: YUKA mini (500/500H, 600/600H, 800/800H) & YUKA mini Vision (700/700H)
Rolling back from: 1.14.2.2304
Last updated: 3 September 2026

Before you start: confirm your mower's current firmware version and note it down. If this rollback doesn't go as planned, you'll want that number to ask for help.

What changed in this release

Released 31 July 2025. Mammotion's own changelog for 1.14.2.2304² addresses repeated obstacle collisions, a false "1425" startup error, charging voltage reporting, and battery estimates.

What's been reported

A loud, screeching noise at medium knife (blade) speed after this update¹ — a new symptom not mentioned in the official changelog.

Rollback procedure

Follow the general Android rollback guide.

Prior version not confirmed. 1.14.2.2304 is the earliest documented YUKA mini version — the release immediately before it is unknown. Check the official YUKA mini release notes directly, or let us know if you can confirm it.

Sources

1. roboter-forum.com: Neue Firmware 1.14.2.2304 (2025-07-31) forum thread
2. Mammotion support KB — YUKA mini release notes