diff --git a/common/constants.cc b/common/constants.cc
index 5941c93..6fd373e 100644
--- a/common/constants.cc
+++ b/common/constants.cc
@@ -75,6 +75,10 @@
 const char kPrefsUpdateFirstSeenAt[] = "update-first-seen-at";
 const char kPrefsUpdateOverCellularPermission[] =
     "update-over-cellular-permission";
+const char kPrefsUpdateOverCellularTargetVersion[] =
+    "update-over-cellular-target-version";
+const char kPrefsUpdateOverCellularTargetSize[] =
+    "update-over-cellular-target-size";
 const char kPrefsUpdateServerCertificate[] = "update-server-cert";
 const char kPrefsUpdateStateNextDataLength[] = "update-state-next-data-length";
 const char kPrefsUpdateStateNextDataOffset[] = "update-state-next-data-offset";
diff --git a/common/constants.h b/common/constants.h
index 26773cf..1be22de 100644
--- a/common/constants.h
+++ b/common/constants.h
@@ -76,6 +76,8 @@
 extern const char kPrefsUpdateDurationUptime[];
 extern const char kPrefsUpdateFirstSeenAt[];
 extern const char kPrefsUpdateOverCellularPermission[];
+extern const char kPrefsUpdateOverCellularTargetVersion[];
+extern const char kPrefsUpdateOverCellularTargetSize[];
 extern const char kPrefsUpdateServerCertificate[];
 extern const char kPrefsUpdateStateNextDataLength[];
 extern const char kPrefsUpdateStateNextDataOffset[];
diff --git a/common/error_code.h b/common/error_code.h
index adae391..d6c8080 100644
--- a/common/error_code.h
+++ b/common/error_code.h
@@ -73,7 +73,7 @@
   kFilesystemVerifierError = 47,
   kUserCanceled = 48,
   kNonCriticalUpdateInOOBE = 49,
-  // kOmahaUpdateIgnoredOverCellular = 50,
+  kOmahaUpdateIgnoredOverCellular = 50,
   // kPayloadTimestampError = 51,
   kUpdatedButNotActive = 52,
 
diff --git a/common/error_code_utils.cc b/common/error_code_utils.cc
index 983d004..2c485a2 100644
--- a/common/error_code_utils.cc
+++ b/common/error_code_utils.cc
@@ -144,6 +144,8 @@
       return "ErrorCode::kUserCanceled";
     case ErrorCode::kNonCriticalUpdateInOOBE:
       return "ErrorCode::kNonCriticalUpdateInOOBE";
+    case ErrorCode::kOmahaUpdateIgnoredOverCellular:
+      return "ErrorCode::kOmahaUpdateIgnoredOverCellular";
     case ErrorCode::kUpdatedButNotActive:
       return "ErrorCode::kUpdatedButNotActive";
       // Don't add a default case to let the compiler warn about newly added