https://4pda.ru/forum/index.php?showtopic=993324&st=3000#entry102894219

Disable the white border in Katniss voice search

Advanced settings - Apps & notifications - Default apps - Assistant and voice input - Use screen text OFF!

Thanks for the tip from Igor Slesarenko! 👍

Watch video
https://4pda.ru/pages/go/?u=https%3A%2F%2Fyoutu.be%2FYgu1R2mVrjs&e=102894219