> * I decline Signal’s prompt to turn on notifications with the “Not now” button (there is no “No thanks” button). It responds with “We’ll remind you later” and

> * I decline Signal’s prompt to turn on notifications with the “Not now” button (there is no “No thanks” button). It responds with “We’ll remind you later” and nags me again in a few days. The key here is to say "Yes" to the app's prompt, but "No" to the system prompt.