ELRS TX SWITCH OFF less than 20m, lost quad

[coyotezz]

Describe the bug

Mi ELRS switch off for battery empty and quad was still flying less than 20 meters, the quad was go up 450mt and 620mt long slowly and battery's empty and fall down, my configuration for failsafe and RX lost are previously tested and work correctly even switched off TX but far than 20 meter, apparently mi S1 quad was blocked in stage 1 of fail safe (stabilize for 5 seconds) and no do RTH.
I still waiting for return him to mi home, but y think he was returned to their home, (China)

To Reproduce

Switch off TX when quad is flying less than 20 meters

Expected behavior

Aparently mi S1 quad was blocked in stage 1 of fail safe (stabilize for 5 seconds) and no do RTH.

Configurator version

10.9 not sure

Flight controller configuration

No response

Add any other context about the problem that you think might be relevant here

No response