diff --git a/profile_uart/build.gradle.kts b/profile_uart/build.gradle.kts
index edec1caa..17a318aa 100644
--- a/profile_uart/build.gradle.kts
+++ b/profile_uart/build.gradle.kts
@@ -51,6 +51,7 @@ dependencies {
     implementation(project(":lib_ui"))
     implementation(project(":lib_utils"))
 
+    implementation("no.nordicsemi.android.kotlin.ble:core:0.0.1")
     implementation("no.nordicsemi.android.kotlin.ble:client:0.0.1")
     implementation("no.nordicsemi.android.kotlin.ble:profile:0.0.1")
 
diff --git a/profile_uart/src/main/java/no/nordicsemi/android/uart/repository/UARTService.kt b/profile_uart/src/main/java/no/nordicsemi/android/uart/repository/UARTService.kt
index a6d42640..f03fc378 100644
--- a/profile_uart/src/main/java/no/nordicsemi/android/uart/repository/UARTService.kt
+++ b/profile_uart/src/main/java/no/nordicsemi/android/uart/repository/UARTService.kt
@@ -97,8 +97,6 @@ internal class UARTService : NotificationService() {
             .filterNotNull()
             .onEach { configureGatt(it, device) }
             .launchIn(lifecycleScope)
-
-        client.requestMtu(517)
     }
 
     private suspend fun configureGatt(services: BleGattServices, device: ServerDevice) {
@@ -118,7 +116,7 @@ internal class UARTService : NotificationService() {
             .launchIn(lifecycleScope)
 
         repository.command
-            .onEach { rxCharacteristic.write(it.toByteArray(), getWriteType(rxCharacteristic)) }
+            .onEach { rxCharacteristic.splitWrite(it.toByteArray(), getWriteType(rxCharacteristic)) }
             .onEach { repository.onNewMessageSent(it) }
             .launchIn(lifecycleScope)
 
diff --git a/profile_uart/src/main/java/no/nordicsemi/android/uart/view/UARTScreen.kt b/profile_uart/src/main/java/no/nordicsemi/android/uart/view/UARTScreen.kt
index 77334b90..b7583647 100644
--- a/profile_uart/src/main/java/no/nordicsemi/android/uart/view/UARTScreen.kt
+++ b/profile_uart/src/main/java/no/nordicsemi/android/uart/view/UARTScreen.kt
@@ -81,7 +81,7 @@ fun UARTScreen() {
                 when (state.uartManagerState.connectionState) {
                     GattConnectionState.STATE_CONNECTING -> PaddingBox { DeviceConnectingView { NavigateUpButton(navigateUp) } }
                     GattConnectionState.STATE_DISCONNECTED,
-                    GattConnectionState.STATE_DISCONNECTING -> DeviceDisconnectedView(Reason.UNKNOWN) { NavigateUpButton(navigateUp) }
+                    GattConnectionState.STATE_DISCONNECTING -> PaddingBox { DeviceDisconnectedView(Reason.UNKNOWN) { NavigateUpButton(navigateUp) } }
                     GattConnectionState.STATE_CONNECTED -> SuccessScreen()
                 }
             }