Firmware 1.15.21.1 — 5 model lines, 5 separate answers
The same version string can behave completely differently on different hardware, so there is no combined score on this page — each model line below gets its own. Why we never blend models.
2 normal and 4 glitchy across 6 reports. Most cited: getting stuck (2).
2 normal and 3 glitchy across 5 reports. Most cited: connectivity problems (1).
1 normal and 3 glitchy across 4 reports.
1 normal and 1 glitchy across 2 reports. Most cited: docking / charging failures (1).
1 glitchy across 1 report. Most cited: connectivity problems (1).
What owners report on this build
- Getting stuck or pausing for no reason — 3 owners
- Mapping errors (missed patches, wrong edges) — 2 owners
Reported by one owner each
- Battery draining too fast — 1 owner
- Blade or cutting-deck problems — 1 owner
- Won't dock or charge — 1 owner
- Connection drops (app can't reach the mower) — 1 owner
- Phantom obstacles (stops for things that aren't there) — 1 owner
- RTK signal problems — 1 owner
- Tank turning (spins in place, tears the turf) — 1 owner
- Tears or digs up the lawn — 1 owner
- Won't start at all — 1 owner
What owners say this build fixed
Reported by one owner each
- Connection drops (app can't reach the mower) — 1 owner
- Phantom obstacles (stops for things that aren't there) — 1 owner
What owners say got worse
Reported by one owner each
- Won't dock or charge — 1 owner
- Connection drops (app can't reach the mower) — 1 owner
- Other problems — 1 owner
2 reports on this build turned out to be something else.
2 the phone app
These don't affect the score.
16 reports mention this build but don't say which mower.
Counted as context, not scored — we won't guess which model a stranger owns.