After update to 183, bluetooth don't work

After update to 183 bluetooth connection with arduino HC05 from android 4.2.2.don’t work any more. Erro r 515: Not connected to bluetooth device
On android 10.0 works fine.

i am having the same probl my app build in 2018 still work with HC05,
however newly build app cannot sent data. Can connect as soon as button is pressed to sent data . ERROR message 515 pops up.
I am trying to use PAROLA control app.