Zepp OS: Request high MTU on connection

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/huami/HuamiSupport.java

@@ -2053,13 +2053,6 @@ public abstract class HuamiSupport extends AbstractBTLEDeviceSupport implements
         return buf.array();
     }
 
-    protected void requestMTU(int mtu) {
-        new TransactionBuilder("requestMtu")
-                .requestMtu(mtu)
-                .queue(getQueue());
-        mMTU = mtu;
-    }
-
     @Override
     public void onMtuChanged(BluetoothGatt gatt, int mtu, int status) {
         super.onMtuChanged(gatt, mtu, status);
@@ -2907,7 +2900,6 @@ public abstract class HuamiSupport extends AbstractBTLEDeviceSupport implements
 
     @Override
     public void onTestNewFunction() {
-        //requestMTU(23);
         try {
             final TransactionBuilder builder = performInitialized("test request");
             writeToConfiguration(builder, HuamiService.COMMAND_REQUEST_WORKOUT_ACTIVITY_TYPES);

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/huami/zeppos/ZeppOsSupport.java

@@ -992,6 +992,9 @@ public class ZeppOsSupport extends HuamiSupport implements ZeppOsFileTransferSer
     @Override
     public void phase2Initialize(final TransactionBuilder builder) {
         LOG.info("2021 phase2Initialize...");
+        if (allowHighMtu()) {
+            builder.requestMtu(247);
+        }
         setCurrentTimeWithService(builder);
         requestDeviceInfo(builder);