S2 · · Unitree
| Company | Unitree |
| Category | humanoid |
| Type | malfunction |
| Date | |
| Time of day | not documented |
| Location | no physical site (recall / fleet-wide / aggregate record) |
| Severity | S2 (minor injury or single-unit damage) |
| Scale | 1 unit |
| Confidence | medium |
| Verification | Cited source on file; not independently re-verified |
| Source | Interesting Engineering |
Leaked footage from a Chinese testing facility showed a tethered Unitree H1 humanoid violently flailing its arms and legs after its balance-control software misread tether resistance as a fall, entering a runaway correction feedback loop that knocked over equipment and nearly struck two nearby engineers.