Technical game help

Is the game giving you an error? Use the support code and check here to see what the error means and if there is any possible solution. Known Bugs will also be reported here.

Please note that this is only a compilation of errors and solutions users have found and added here. If you have an issue not listed here that you need resolved, you can always contact Fire Emblem: Heroes support.

Cause
The total of friends and pending friend requests you have exceeds the maximum of 50.

Solution
Delete some of your friends or pending friend requests.

Support Code: 803-3001
"A communications error has occurred."

Cause
Fire Emblem: Heroes uses Google's SafetyNet API to detect modified devices for cheating purposes. If SafetyNet flags your device as not OK, you will eventually get this error. This is a common occurrence on rooted devices.

There is also currently a known bug which causes the error code for devices that pass SafetyNet.

Solution
NOTE. You will lose your current account and restart game progress with this solution UNLESS you have it linked to a Nintendo ID.

On rooted phones, using your File Manager of choice, navigate to the game's files and find the following file. By default, this should be:

Delete this file and restart the game.

Cause
Fire Emblem: Heroes is currently undergoing maintenance.

Solution
Check back later when maintenance has ended.

Support Code: 803-3009
"The device's clock appears to be off. Please restart the app after adjusting the clock on the device."

Cause
This error occurs when your device's clock becomes out of sync.

Solution
Restart your device and make sure your clock is correct before opening the game again.

Support Code: 803-3012
"A communications error has occurred."

Cause
Currently unknown. Players have reported this error happening when:
 * Attempting to link a Nintendo account
 * Summoning or ending a Summoning session with the Back button

Solution
The only option available is to return to the Title screen.

Support Code: 803-3013
"A communications error has occured."

Cause
Currently unknown. Players have reported this error happening when a map was cleared.

Solution
The only option available is to return to the Title screen.

Support Code: 803-3021
"An error has occurred. If it continues to occur, please check your app-store account settings."

Cause
This error occurs when you are playing from a country that is not supported.

Solution
You will need to use a third party application (Ex. Zenmate) to mask your IP and make the game think you are playing from a supported country (e.g. United States).

Support Code: 803-3101
"A communications error has occurred. Please check your connection."

Cause
Unable to connect to the internet.

Solution

 * Check your internet connection to see if you are connected.
 * Check to see if data restrictions are blocking the app from accessing the internet.
 * Try a different IP address.

Support Code: 803-4300
"A communications error has occurred."

Cause
Unknown. May occur when logging in before the Home screen is loaded.

Solution
Return to title screen and try again, or reinstall the App.