Set a countdown that actually fires

Create a timer and get its notification or alarm, even after a restart.

Goal

Set a timer and receive its alert on time.

Before you start

Zavub is installed.
Notifications and exact alarms are allowed for Zavub.

Steps

Open Countdown
From home search or the tools list.
Create a countdown
Set a duration and a label.
Start it and leave the app
The alert does not need the app on screen.
Wait for the alert
A notification or alarm fires when time is up.
Test restart recovery
Restart the phone before the timer ends; the countdown should recover and still fire.

What you should see

The alert arrives on time, including after a restart.

If something goes wrong

No notification arrived
Check notification and exact-alarm permissions; the permissions guide lists the exact settings paths.
A timer was lost after restart
Restart recovery is part of the on-device test round. If a restarted timer fails, re-create it and check the alarm permission.