diff --git a/app/src/main/java/com/example/hpostesting/data/constant/Constants.kt b/app/src/main/java/com/example/hpostesting/data/constant/Constants.kt
index c02e665..a2da229 100644
--- a/app/src/main/java/com/example/hpostesting/data/constant/Constants.kt
+++ b/app/src/main/java/com/example/hpostesting/data/constant/Constants.kt
@@ -254,6 +254,7 @@ object Constants {
     const val INCUBATION_TIME_MIN = 0
     const val INCUBATION_TIME_MAX = 1400
     const val BATTERY_LEVEL_MIN = 0
+    const val READINGS_PER_SAMPLE = 3
 
     val BUFFER_INTENSITY_THRESHOLDS: Map<String, List<List<Int>>> = mapOf<String, List<List<Int>>>(
         "HCV-000-3001" to listOf(
diff --git a/app/src/main/java/com/example/hpostesting/presentation/hemocube/HemoCubeFragment.kt b/app/src/main/java/com/example/hpostesting/presentation/hemocube/HemoCubeFragment.kt
index c80b734..387c17b 100644
--- a/app/src/main/java/com/example/hpostesting/presentation/hemocube/HemoCubeFragment.kt
+++ b/app/src/main/java/com/example/hpostesting/presentation/hemocube/HemoCubeFragment.kt
@@ -8,6 +8,9 @@ import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import android.widget.AdapterView
+import android.widget.ArrayAdapter
+import android.widget.Spinner
 import android.widget.Toast
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.activityViewModels
@@ -61,13 +64,15 @@ class HemoCubeFragment : Fragment() {
     private var deviceHardwareId = ""
     private var allErrorMessages = ""
     private var testStatusCode = 0.0
+    private var repeatReadingCount = 0
+    private var readingsPerSample = Constants.READINGS_PER_SAMPLE
 
     override fun onCreateView(
         inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?,
     ): View {
         binding = FragmentHemoCubeReferenceBinding.inflate(inflater, container, false)
         sharedPreferences =
-            requireContext().getSharedPreferences("PREFERENCE_NAME", Context.MODE_PRIVATE)
+            requireContext().getSharedPreferences("HEMOCUBE", Context.MODE_PRIVATE)
         return binding.root
     }
 
@@ -130,25 +135,36 @@ class HemoCubeFragment : Fragment() {
                 binding.tvDeviceMessages.visibility = View.VISIBLE
             }
         }
+
+//        val spinner: Spinner = binding.spinnerSolutions
+//        val options = arrayOf("KMnO4", "Tartrazine", "AR", "HB", "Blood")
+//        val adapter = ArrayAdapter(requireContext(), android.R.layout.simple_spinner_item, options)
+//        adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item)
+//        spinner.adapter = adapter
+//        spinner.onItemSelectedListener = object : AdapterView.OnItemSelectedListener {
+//            override fun onItemSelected(
+//                parent: AdapterView<*>?,
+//                view: View?,
+//                position: Int,
+//                id: Long
+//            ) {
+//                val selectedValue: String = options[position]
+//            }
+//
+//            override fun onNothingSelected(parent: AdapterView<*>?) {
+//            }
+//        }
     }
 
     private fun observeViewModel() {
         hemoCubeViewModel.fireBaseUpload.observe(viewLifecycleOwner) { result ->
             if (result == "Success") {
                 showToast(R.string.test_upload)
-
-                activity?.runOnUiThread {
-                    binding.btnSubmit.visibility = View.GONE
-                        val i = Intent(
-                            requireContext().applicationContext, DashboardActivity::class.java
-                        )
-                        startActivity(i)
-
-                }
+                handleReadingFinish()
             }
             if (result == "Local") {
                 showToast(R.string.internt_not_local)
-                startActivity(Intent(requireActivity(), DashboardActivity::class.java))
+                handleReadingFinish()
             }
             if (result == "Error") {
                 showToast(R.string.error_local)
@@ -186,6 +202,34 @@ class HemoCubeFragment : Fragment() {
         }
     }
 
+    private fun handleReadingFinish() {
+        if (allReadingsComplete()) {
+            activity?.runOnUiThread {
+                binding.btnSubmit.visibility = View.GONE
+                val i = Intent(
+                    requireContext().applicationContext, DashboardActivity::class.java
+                )
+                startActivity(i)
+            }
+        } else {
+            hemoCubeViewModel.messages.postValue("Reading $repeatReadingCount completed")
+            resetTest()
+            startSampleProcess()
+        }
+    }
+
+    private fun allReadingsComplete(): Boolean {
+        return repeatReadingCount >= readingsPerSample
+    }
+
+    private fun resetTest() {
+        testStatusCode = 0.0
+        allErrorMessages = ""
+        validationError = false
+        resultData = ""
+        currentResultData = ""
+    }
+
     private fun checkAndStartProcess() {
         startBufferProcess()
     }
@@ -486,11 +530,20 @@ class HemoCubeFragment : Fragment() {
                     led4Gain4 = resultLines[8].split(' ')[1].split('\r')[0].trim().toDoubleOrNull()!!
                 }
 
-                activity?.runOnUiThread {
-                    binding.btnSubmit.visibility = View.VISIBLE
-                    binding.btnSubmit.isEnabled = true
-                    binding.btnSubmit.isClickable = true
-                    binding.clParent.setBackgroundColor(Color.parseColor("#edfffd"))
+                repeatReadingCount += 1
+
+                if (readingsPerSample == 1) {
+                    activity?.runOnUiThread {
+                        binding.btnSubmit.visibility = View.VISIBLE
+                        binding.btnSubmit.isEnabled = true
+                        binding.btnSubmit.isClickable = true
+//                        binding.clParent.setBackgroundColor(Color.parseColor("#edfffd"))
+                        binding.ivCheck.visibility = View.VISIBLE
+                    }
+                } else {
+                    hemoCubeViewModel.uploadHemoCubeResultToDatabase(
+                        isOnline, true, sharedPreferences.getString(Constants.KIT_NUMBER, "")
+                    )
                 }
             }
         }
@@ -917,10 +970,4 @@ class HemoCubeFragment : Fragment() {
         val coefficient2 = currentDeviceData?.coefficients?.get(1) ?: 0.0
         return coefficient1 * ratio + coefficient2
     }
-
-    private fun checkDeviceIdMismatch(deviceId: String, loginId: String): Boolean {
-        if (!deviceId.isNullOrEmpty() && !loginId.isNullOrEmpty() && deviceId.last() != loginId.last())
-            return true
-        return false
-    }
 }
diff --git a/app/src/main/res/layout/fragment_hemo_cube_reference.xml b/app/src/main/res/layout/fragment_hemo_cube_reference.xml
index c8a1005..12b1eb9 100644
--- a/app/src/main/res/layout/fragment_hemo_cube_reference.xml
+++ b/app/src/main/res/layout/fragment_hemo_cube_reference.xml
@@ -208,25 +208,44 @@
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/btn_submit" />
 
-        <ScrollView
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:layout_marginHorizontal="24dp"
-            android:layout_marginTop="12dp"
+        <TextView
+            android:id="@+id/tv_device_messages"
+            style="@style/title1_1"
+            android:layout_width="414dp"
+            android:layout_height="201dp"
+            android:gravity="center"
+            android:text="#SS1\n#SC1"
+            android:textColor="@color/black"
+            android:textSize="11sp"
             app:layout_constraintEnd_toEndOf="parent"
-            app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toBottomOf="@id/error_message">
+            app:layout_constraintTop_toBottomOf="@id/error_message" />
 
-            <TextView
-                android:id="@+id/tv_device_messages"
-                style="@style/title1_1"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:gravity="center"
-                android:textColor="@color/black"
-                android:textSize="11sp"
-                android:visibility="gone" />
-        </ScrollView>
+<!--        <Spinner-->
+<!--            android:id="@+id/spinner_solutions"-->
+<!--            android:layout_width="0dp"-->
+<!--            android:layout_height="wrap_content"-->
+<!--            android:layout_marginTop="16dp"-->
+<!--            app:layout_constraintEnd_toEndOf="parent"-->
+<!--            app:layout_constraintStart_toStartOf="parent"-->
+<!--            app:layout_constraintTop_toBottomOf="@id/tv_subtitle2" />-->
+
+<!--        <Spinner-->
+<!--            android:id="@+id/spinner_concentration"-->
+<!--            android:layout_width="0dp"-->
+<!--            android:layout_height="wrap_content"-->
+<!--            android:layout_marginTop="16dp"-->
+<!--            app:layout_constraintEnd_toEndOf="parent"-->
+<!--            app:layout_constraintStart_toStartOf="parent"-->
+<!--            app:layout_constraintTop_toBottomOf="@id/spinner_solutions" />-->
+
+<!--        <Spinner-->
+<!--            android:id="@+id/spinner_volume"-->
+<!--            android:layout_width="0dp"-->
+<!--            android:layout_height="wrap_content"-->
+<!--            android:layout_marginTop="16dp"-->
+<!--            app:layout_constraintEnd_toEndOf="parent"-->
+<!--            app:layout_constraintStart_toStartOf="parent"-->
+<!--            app:layout_constraintTop_toBottomOf="@id/spinner_concentration" />-->
 
         <Button
             android:visibility="gone"
@@ -241,6 +260,19 @@
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/error_message" />
+
+        <ImageView
+            android:id="@+id/iv_check"
+            android:visibility="gone"
+            android:layout_width="100dp"
+            android:layout_height="100dp"
+            android:layout_marginTop="40dp"
+            android:importantForAccessibility="no"
+            android:src="@drawable/check"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@id/tv_device_messages" />
+
         <ProgressBar
             android:id="@+id/progressBar"
             android:layout_width="wrap_content"