diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/banglejs/BangleJSDeviceSupport.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/banglejs/BangleJSDeviceSupport.java
index 591ed6835..a7ebf21d2 100644
--- a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/banglejs/BangleJSDeviceSupport.java
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/banglejs/BangleJSDeviceSupport.java
@@ -317,7 +317,7 @@ public class BangleJSDeviceSupport extends AbstractBTLEDeviceSupport {
         builder.notify(rxCharacteristic, true);
 
         Prefs devicePrefs = new Prefs(GBApplication.getDeviceSpecificSharedPrefs(gbDevice.getAddress()));
-        allowHighMTU = devicePrefs.getBoolean(PREF_ALLOW_HIGH_MTU, false);
+        allowHighMTU = devicePrefs.getBoolean(PREF_ALLOW_HIGH_MTU, true);
 
         uartTx(builder, " \u0003"); // clear active line
 
diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/huami/HuamiSupport.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/huami/HuamiSupport.java
index e137cc0ba..759d95e5d 100644
--- a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/huami/HuamiSupport.java
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/huami/HuamiSupport.java
@@ -4142,7 +4142,7 @@ public abstract class HuamiSupport extends AbstractBTLEDeviceSupport implements
 
     protected void setMtu(final int mtu) {
         final Prefs prefs = getDevicePrefs();
-        if (!prefs.getBoolean(PREF_ALLOW_HIGH_MTU, false)) {
+        if (!prefs.getBoolean(PREF_ALLOW_HIGH_MTU, true)) {
             LOG.warn("High MTU is not allowed, ignoring");
             return;
         }
diff --git a/app/src/main/res/xml/devicesettings_high_mtu.xml b/app/src/main/res/xml/devicesettings_high_mtu.xml
index 68a982397..b721b59c8 100644
--- a/app/src/main/res/xml/devicesettings_high_mtu.xml
+++ b/app/src/main/res/xml/devicesettings_high_mtu.xml
@@ -2,7 +2,7 @@
 <androidx.preference.PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
     <SwitchPreference
         android:icon="@drawable/ic_mtu"
-        android:defaultValue="false"
+        android:defaultValue="true"
         android:key="allow_high_mtu"
         android:summary="@string/pref_summary_allow_high_mtu"
         android:title="@string/pref_title_allow_high_mtu" />