diff --git a/ios/RNCConnectionState.m b/ios/RNCConnectionState.m
index 6607a09a..663e4925 100644
--- a/ios/RNCConnectionState.m
+++ b/ios/RNCConnectionState.m
@@ -62,9 +62,11 @@ - (instancetype)initWithReachabilityFlags:(SCNetworkReachabilityFlags)flags
                     _cellularGeneration = RNCCellularGeneration3g;
                 } else if ([netinfo.currentRadioAccessTechnology isEqualToString:CTRadioAccessTechnologyLTE]) {
                     _cellularGeneration = RNCCellularGeneration4g;
-                } else if ([netinfo.currentRadioAccessTechnology isEqualToString:CTRadioAccessTechnologyNRNSA] ||
-                           [netinfo.currentRadioAccessTechnology isEqualToString:CTRadioAccessTechnologyNR]) {
-                    _cellularGeneration = RNCCellularGeneration5g;
+                } else if (@available(iOS 14.1, *)) {
+                    if ([netinfo.currentRadioAccessTechnology isEqualToString:CTRadioAccessTechnologyNRNSA] ||
+                        [netinfo.currentRadioAccessTechnology isEqualToString:CTRadioAccessTechnologyNR]) {
+                        _cellularGeneration = RNCCellularGeneration5g;
+                    }
                 }
             }
         }