diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/PreferencesRepository.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/PreferencesRepository.kt
index 11adbd0f7..5bd1f3c12 100644
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/PreferencesRepository.kt
+++ b/app/src/main/java/io/github/wulkanowy/data/repositories/PreferencesRepository.kt
@@ -2,6 +2,7 @@ package io.github.wulkanowy.data.repositories
 
 import android.content.Context
 import android.content.SharedPreferences
+import androidx.core.content.edit
 import dagger.hilt.android.qualifiers.ApplicationContext
 import io.github.wulkanowy.R
 import io.github.wulkanowy.ui.modules.grade.GradeAverageMode
@@ -145,6 +146,10 @@ class PreferencesRepository @Inject constructor(
             R.bool.pref_default_subjects_without_grades
         )
 
+    var isKitkatDialogDisabled: Boolean
+        get() = sharedPref.getBoolean("kitkat_dialog_disabled", false)
+        set(value) = sharedPref.edit { putBoolean("kitkat_dialog_disabled", value) }
+
     private fun getString(id: Int, default: Int) = getString(context.getString(id), default)
 
     private fun getString(id: String, default: Int) =
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/splash/SplashActivity.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/splash/SplashActivity.kt
index 80138175d..2b96a9a0c 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/splash/SplashActivity.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/splash/SplashActivity.kt
@@ -3,17 +3,23 @@ package io.github.wulkanowy.ui.modules.splash
 import android.os.Bundle
 import android.widget.Toast
 import android.widget.Toast.LENGTH_LONG
+import androidx.appcompat.app.AlertDialog
 import androidx.viewbinding.ViewBinding
 import dagger.hilt.android.AndroidEntryPoint
+import io.github.wulkanowy.R
 import io.github.wulkanowy.ui.base.BaseActivity
 import io.github.wulkanowy.ui.modules.login.LoginActivity
 import io.github.wulkanowy.ui.modules.main.MainActivity
+import io.github.wulkanowy.utils.AppInfo
 import io.github.wulkanowy.utils.openInternetBrowser
 import javax.inject.Inject
 
 @AndroidEntryPoint
 class SplashActivity : BaseActivity<SplashPresenter, ViewBinding>(), SplashView {
 
+    @Inject
+    lateinit var appInfo: AppInfo
+
     @Inject
     override lateinit var presenter: SplashPresenter
 
@@ -40,4 +46,14 @@ class SplashActivity : BaseActivity<SplashPresenter, ViewBinding>(), SplashView
     override fun showError(text: String, error: Throwable) {
         Toast.makeText(this, text, LENGTH_LONG).show()
     }
+
+    override fun showKitkatView() {
+        AlertDialog.Builder(this)
+            .setTitle(R.string.drop_kitkat_title)
+            .setMessage(R.string.drop_kitkat_content)
+            .setPositiveButton(android.R.string.ok, null)
+            .setNeutralButton(R.string.drop_kitkat_again) { _, _ -> presenter.onNeutralButtonSelected() }
+            .setOnDismissListener { presenter.onKitkatViewDismissed() }
+            .show()
+    }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/splash/SplashPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/splash/SplashPresenter.kt
index 795889171..4590d91a5 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/splash/SplashPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/splash/SplashPresenter.kt
@@ -1,9 +1,12 @@
 package io.github.wulkanowy.ui.modules.splash
 
+import android.os.Build
 import io.github.wulkanowy.data.Status
+import io.github.wulkanowy.data.repositories.PreferencesRepository
 import io.github.wulkanowy.data.repositories.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
+import io.github.wulkanowy.utils.AppInfo
 import io.github.wulkanowy.utils.flowWithResource
 import kotlinx.coroutines.flow.onEach
 import timber.log.Timber
@@ -11,25 +14,47 @@ import javax.inject.Inject
 
 class SplashPresenter @Inject constructor(
     errorHandler: ErrorHandler,
-    studentRepository: StudentRepository
+    studentRepository: StudentRepository,
+    private val preferencesRepository: PreferencesRepository,
+    private val appInfo: AppInfo
 ) : BasePresenter<SplashView>(errorHandler, studentRepository) {
 
+    private var externalUrl: String? = null
+
     fun onAttachView(view: SplashView, externalUrl: String?) {
         super.onAttachView(view)
+        this.externalUrl = externalUrl
 
+        if (appInfo.systemVersion < Build.VERSION_CODES.LOLLIPOP && !preferencesRepository.isKitkatDialogDisabled) {
+            view.showKitkatView()
+        } else {
+            loadCorrectDataOrUser()
+        }
+    }
+
+    private fun loadCorrectDataOrUser() {
         if (!externalUrl.isNullOrBlank()) {
-            return view.openExternalUrlAndFinish(externalUrl)
+            view?.openExternalUrlAndFinish(externalUrl!!)
+            return
         }
 
         flowWithResource { studentRepository.isCurrentStudentSet() }.onEach {
             when (it.status) {
                 Status.LOADING -> Timber.d("Is current user set check started")
-                Status.SUCCESS -> with(view) {
-                    if (it.data!!) openMainView()
-                    else openLoginView()
+                Status.SUCCESS -> {
+                    if (it.data!!) view?.openMainView()
+                    else view?.openLoginView()
                 }
                 Status.ERROR -> errorHandler.dispatch(it.error!!)
             }
         }.launch()
     }
+
+    fun onKitkatViewDismissed() {
+        loadCorrectDataOrUser()
+    }
+
+    fun onNeutralButtonSelected() {
+        preferencesRepository.isKitkatDialogDisabled = true
+    }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/splash/SplashView.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/splash/SplashView.kt
index a5aa14091..c9c5fe9a4 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/splash/SplashView.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/splash/SplashView.kt
@@ -9,4 +9,6 @@ interface SplashView : BaseView {
     fun openMainView()
 
     fun openExternalUrlAndFinish(url: String)
+
+    fun showKitkatView()
 }
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index db5ed7b49..c4109d2b8 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -541,6 +541,12 @@
     <string name="channel_debug">Debug</string>
 
 
+    <!--Drop kitkat alert dialog strings-->
+    <string name="drop_kitkat_title">End of support</string>
+    <string name="drop_kitkat_content">We are ending support for your device. No more new features will appear for it in Wulkanowy. However, we will be releasing critical patches until the end of 2021 so you have time to switch to a newer model</string>
+    <string name="drop_kitkat_again">Don\'t show again</string>
+
+
     <!--Colors-->
     <string name="all_black">Black</string>
     <string name="all_red">Red</string>
@@ -554,6 +560,7 @@
     <string name="all_copied">Copied</string>
     <string name="all_undo">Undo</string>
 
+
     <!--Update helper-->
     <string name="update_download_started">Download of updates has started…</string>
     <string name="update_download_success">An update has just been downloaded.</string>
diff --git a/app/src/test/java/io/github/wulkanowy/ui/modules/splash/SplashPresenterTest.kt b/app/src/test/java/io/github/wulkanowy/ui/modules/splash/SplashPresenterTest.kt
index 71d17b3b8..48c2aa9c3 100644
--- a/app/src/test/java/io/github/wulkanowy/ui/modules/splash/SplashPresenterTest.kt
+++ b/app/src/test/java/io/github/wulkanowy/ui/modules/splash/SplashPresenterTest.kt
@@ -1,10 +1,13 @@
 package io.github.wulkanowy.ui.modules.splash
 
 import io.github.wulkanowy.MainCoroutineRule
+import io.github.wulkanowy.data.repositories.PreferencesRepository
 import io.github.wulkanowy.data.repositories.StudentRepository
 import io.github.wulkanowy.ui.base.ErrorHandler
+import io.github.wulkanowy.utils.AppInfo
 import io.mockk.MockKAnnotations
 import io.mockk.coEvery
+import io.mockk.every
 import io.mockk.impl.annotations.MockK
 import io.mockk.verify
 import org.junit.Before
@@ -22,6 +25,12 @@ class SplashPresenterTest {
     @MockK
     lateinit var studentRepository: StudentRepository
 
+    @MockK
+    lateinit var preferencesRepository: PreferencesRepository
+
+    @MockK
+    lateinit var appInfo: AppInfo
+
     @MockK(relaxed = true)
     lateinit var errorHandler: ErrorHandler
 
@@ -30,19 +39,25 @@ class SplashPresenterTest {
     @Before
     fun setUp() {
         MockKAnnotations.init(this)
-        presenter = SplashPresenter(errorHandler, studentRepository)
+        presenter = SplashPresenter(errorHandler, studentRepository, preferencesRepository, appInfo)
     }
 
     @Test
     fun testOpenLoginView() {
+        every { appInfo.systemVersion } returns 30
+        every { preferencesRepository.isKitkatDialogDisabled } returns true
         coEvery { studentRepository.isCurrentStudentSet() } returns false
+
         presenter.onAttachView(splashView, null)
         verify { splashView.openLoginView() }
     }
 
     @Test
     fun testMainMainView() {
+        every { appInfo.systemVersion } returns 30
+        every { preferencesRepository.isKitkatDialogDisabled } returns true
         coEvery { studentRepository.isCurrentStudentSet() } returns true
+
         presenter.onAttachView(splashView, null)
         verify { splashView.openMainView() }
     }