diff --git a/examples/OneOpenAir/OneOpenAir.ino b/examples/OneOpenAir/OneOpenAir.ino
index c657149..b12c3c6 100644
--- a/examples/OneOpenAir/OneOpenAir.ino
+++ b/examples/OneOpenAir/OneOpenAir.ino
@@ -813,8 +813,6 @@ static void openAirInit(void) {
       Serial.println("CO2 S8 sensor not found");
       Serial.println("Can not detect S8 run mode 'PPT'");
       fwMode = FW_MODE_O_1PPT;
-
-      Serial0.end();
       delay(200);
     } else {
       Serial.println("Found S8 on Serial0");
diff --git a/src/Libraries/airgradient-client b/src/Libraries/airgradient-client
index f8a455c..30e9807 160000
--- a/src/Libraries/airgradient-client
+++ b/src/Libraries/airgradient-client
@@ -1 +1 @@
-Subproject commit f8a455c548a18570ad845c121dd1252939c3439f
+Subproject commit 30e9807671b2f9f99252a0df9f27e622cd1de0ce