What you see	What to do
"Machine is unreachable…" on sign-in	Check your connection and tap Try again.
The sign-in code doesn't work	Codes work once and expire after an hour. Tap Send a new code.
Bots or threads look out of date	Pull down on the list to refresh.
"No connection — messages will send when you are back"	Your phone is offline. Messages wait and send when you reconnect.
"Setting up this bot's computer…" for a while	A cold computer takes about a minute. You can leave; the reply will be waiting.
A bot seems stuck	Tap … → Kick, or long-press the bot → Kick.
No Live button	It shows only when the message box is empty, and not in group chats.
"Machine can't use your microphone…"	Allow the microphone in Settings → Apps → Machine → Permissions (Android) or Settings → Machine (iPhone), then call again.
Live calls on iPhone can't make pictures	Expected on iPhone and iPad for now. Ask for pictures in the thread after the call.
No notifications	Check Settings → General → Notifications. On Android, also check Settings → Apps → Machine → Notifications. Quiet hours may be on. Not yet available on iPhone.
Machine isn't in the share sheet	Share to Machine is on Android only. Update the app from Google Play.
No Live view on the bot's computer	The Live view needs a bigger screen. Use an iPad or Machine Desktop.
No Cloud / This PC choice	You set up This PC on a computer running Machine Desktop. Once a thread is set up there, you can send to it from your phone and the work happens on that computer.
"… is offline (asleep, or Machine Desktop is closed there), so nothing was sent…"	You wrote to a This PC thread whose computer is off, asleep, or has Machine Desktop closed. Wake it and send again, or move the thread to Cloud on that computer. See This PC.
The app wants an update	On Android, tap Update on the banner or in Settings → General → Updates. On iPhone and iPad, open Settings → General → Updates and tap Open TestFlight.
Export Diagnostics… does nothing	Diagnostics export works only in Machine Desktop.

Live-specific fixes are in Live troubleshooting. General fixes are in Troubleshooting.

Mobile troubleshooting