You open the app again.
There’s nothing inside.
No accounts.
No codes.
It looks like everything disappeared.
This usually happens right after reinstalling the authenticator app.
Why Your Codes Are Gone
Authenticator apps don’t keep your codes on a server.
All data is stored locally on your device.
When the app is removed, that data is erased.
Reinstalling the app does not restore it.
What Actually Got Deleted
Your accounts still exist.
But the connection between your accounts and the app is gone.
That’s why no codes appear.
The app is working — it just has nothing linked.
Why It Feels Like Everything Broke
You expect your setup to come back automatically.
But most authenticator apps don’t sync by default.
Without a backup or transfer,
there’s nothing to recover.
What You Need to Do Now
You need to reconnect your accounts manually.
This means:
- Logging into each account directly
- Opening security or 2FA settings
- Setting up authentication again from the beginning
Each account must be added again.
What Won’t Work
- Reinstalling the app again
- Waiting for codes to come back
- Trying old screenshots of codes
Once removed, the data does not return on its own.
How to Avoid This Next Time
Before removing the app or switching devices:
- Enable backup or sync if available
- Transfer accounts using built-in tools
- Save backup codes provided by each service
This prevents full data loss.
If your authenticator app was reinstalled and all codes disappeared, the app didn’t fail — the data was simply erased. You’ll need to set up 2FA again for each account.