How release UART for Zigbee HAT ? (HASSOS on raspbery pi 3)

Please help
I need install Zigbee HAT with E72-2G4M20S1E ( CC2652P ) on Raspberry Pi 3 with HASOS.
I try:
insert HASSOS SD into PC ,
open file config.txt on hass-boot partition
add

enable_uart=1 
dtoverlay=disable-bt
dtoverlay=pi3-disable-bt

Boot Home Assistant and check
But serial not released
/dev/ttyAMA0
still in use