How can i Disable Trustzone in stm32L5?

[jk.1]

i am enable trust zone and I make one part as secure world and another part as a non secure world using (SECWM1, SECWM2) but forget to enable Dbank as (Dbank = 1) now I couldn't make any changes in option bytes

my question is

1.how can I enable dual bank mode (Dbank = 1)?

2.if I will launch my both binary what will happen?

3.what are the steps to recover my device?

[Bubbles · Accepted solution]

How to disable TrustZone in STM32L5xx devices during development phase - stm32mcu