diff --git a/packages/errors/src/index.js b/packages/errors/src/index.js
index <HASH>..<HASH> 100644
--- a/packages/errors/src/index.js
+++ b/packages/errors/src/index.js
@@ -63,6 +63,9 @@ export const EthAppPleaseEnableContractData = createCustomErrorClass(
 export const FeeEstimationFailed = createCustomErrorClass(
   "FeeEstimationFailed"
 );
+export const FirmwareNotRecognized = createCustomErrorClass(
+  "FirmwareNotRecognized"
+);
 export const HardResetFail = createCustomErrorClass("HardResetFail");
 export const InvalidXRPTag = createCustomErrorClass("InvalidXRPTag");
 export const InvalidAddress = createCustomErrorClass("InvalidAddress");
add FirmwareNotRecognized error (instead of HTTP <I>)