The app asks for calibration, it drifts, or won’t let you take off.
A crash, nearby magnets, or a damaged sensor.
Guided calibration; if the sensor is damaged, we replace it.
It depends on the model and on what we find inside, so we quote each repair individually. The diagnosis fee depends on the device, and you approve the exact repair price before any repair starts. If it can't be fixed, you only pay the diagnosis.