diff --git a/app/build.gradle b/app/build.gradle
index 01e60382e..f6c2f9ba5 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -122,7 +122,7 @@ configurations.all {
 }
 
 dependencies {
-    implementation "io.github.wulkanowy:sdk:069677aa2089b5678adbcae79dc253220995f172"
+    implementation "io.github.wulkanowy:sdk:0886d71"
 
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
     implementation "androidx.core:core-ktx:1.2.0-rc01"
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/login/LoginErrorHandler.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/login/LoginErrorHandler.kt
index c888ce79b..75a0ba6a6 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/login/LoginErrorHandler.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/login/LoginErrorHandler.kt
@@ -5,6 +5,10 @@ import android.database.sqlite.SQLiteConstraintException
 import com.readystatesoftware.chuck.api.ChuckCollector
 import io.github.wulkanowy.R
 import io.github.wulkanowy.sdk.exception.BadCredentialsException
+import io.github.wulkanowy.sdk.mobile.exception.InvalidPinException
+import io.github.wulkanowy.sdk.mobile.exception.InvalidSymbolException
+import io.github.wulkanowy.sdk.mobile.exception.InvalidTokenException
+import io.github.wulkanowy.sdk.mobile.exception.TokenDeadException
 import io.github.wulkanowy.ui.base.ErrorHandler
 import javax.inject.Inject
 
@@ -15,12 +19,22 @@ class LoginErrorHandler @Inject constructor(
 
     var onBadCredentials: () -> Unit = {}
 
+    var onInvalidToken: (String) -> Unit = {}
+
+    var onInvalidPin: (String) -> Unit = {}
+
+    var onInvalidSymbol: (String) -> Unit = {}
+
     var onStudentDuplicate: (String) -> Unit = {}
 
     override fun proceed(error: Throwable) {
         when (error) {
             is BadCredentialsException -> onBadCredentials()
             is SQLiteConstraintException -> onStudentDuplicate(resources.getString(R.string.login_duplicate_student))
+            is TokenDeadException -> onInvalidToken(resources.getString(R.string.login_expired_token))
+            is InvalidTokenException -> onInvalidToken(resources.getString(R.string.login_invalid_token))
+            is InvalidPinException -> onInvalidPin(resources.getString(R.string.login_invalid_pin))
+            is InvalidSymbolException -> onInvalidSymbol(resources.getString(R.string.login_invalid_symbol))
             else -> super.proceed(error)
         }
     }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/login/advanced/LoginAdvancedFragment.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/login/advanced/LoginAdvancedFragment.kt
index 30563ebf4..353effa9b 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/login/advanced/LoginAdvancedFragment.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/login/advanced/LoginAdvancedFragment.kt
@@ -4,7 +4,9 @@ import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import android.view.inputmethod.EditorInfo
 import android.widget.ArrayAdapter
+import androidx.appcompat.widget.AppCompatEditText
 import androidx.core.widget.doOnTextChanged
 import io.github.wulkanowy.R
 import io.github.wulkanowy.data.db.entities.Student
@@ -84,6 +86,9 @@ class LoginAdvancedFragment : BaseFragment(), LoginAdvancedView {
             })
         }
 
+        loginFormPin.setOnEditorDoneSignIn()
+        loginFormPass.setOnEditorDoneSignIn()
+
         loginFormSymbol.setAdapter(ArrayAdapter(requireContext(), android.R.layout.simple_list_item_1, resources.getStringArray(R.array.symbols_values)))
 
         with(loginFormHost) {
@@ -92,6 +97,12 @@ class LoginAdvancedFragment : BaseFragment(), LoginAdvancedView {
         }
     }
 
+    private fun AppCompatEditText.setOnEditorDoneSignIn() {
+        setOnEditorActionListener { _, id, _ ->
+            if (id == EditorInfo.IME_ACTION_DONE || id == EditorInfo.IME_NULL) loginFormSignIn.callOnClick() else false
+        }
+    }
+
     override fun setDefaultCredentials(name: String, pass: String, symbol: String, token: String, pin: String) {
         loginFormName.setText(name)
         loginFormPass.setText(pass)
@@ -101,54 +112,75 @@ class LoginAdvancedFragment : BaseFragment(), LoginAdvancedView {
     }
 
     override fun setErrorNameRequired() {
-        loginFormNameLayout.run {
+        with(loginFormNameLayout) {
             requestFocus()
             error = getString(R.string.login_field_required)
         }
     }
 
     override fun setErrorPassRequired(focus: Boolean) {
-        loginFormPassLayout.run {
+        with(loginFormPassLayout) {
             if (focus) requestFocus()
             error = getString(R.string.login_field_required)
         }
     }
 
     override fun setErrorPassInvalid(focus: Boolean) {
-        loginFormPassLayout.run {
+        with(loginFormPassLayout) {
             if (focus) requestFocus()
             error = getString(R.string.login_invalid_password)
         }
     }
 
     override fun setErrorPassIncorrect() {
-        loginFormPassLayout.run {
+        with(loginFormPassLayout) {
             requestFocus()
             error = getString(R.string.login_incorrect_password)
         }
     }
 
     override fun setErrorPinRequired() {
-        loginFormPinLayout.run {
+        with(loginFormPinLayout) {
             requestFocus()
             error = getString(R.string.login_field_required)
         }
     }
 
+    override fun setErrorPinInvalid(message: String) {
+        with(loginFormPinLayout) {
+            requestFocus()
+            error = message
+        }
+    }
+
     override fun setErrorSymbolRequired() {
-        loginFormSymbolLayout.run {
+        with(loginFormSymbolLayout) {
             requestFocus()
             error = getString(R.string.login_field_required)
         }
     }
 
+    override fun setErrorSymbolInvalid(message: String) {
+        with(loginFormSymbolLayout) {
+            requestFocus()
+            error = message
+        }
+    }
+
     override fun setErrorTokenRequired() {
-        loginFormTokenLayout.run {
+        with(loginFormTokenLayout) {
             requestFocus()
             error = getString(R.string.login_field_required)
         }
     }
 
+    override fun setErrorTokenInvalid(message: String) {
+        with(loginFormTokenLayout) {
+            requestFocus()
+            error = message
+        }
+    }
+
     override fun clearNameError() {
         loginFormNameLayout.error = null
     }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/login/advanced/LoginAdvancedPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/login/advanced/LoginAdvancedPresenter.kt
index 2cd788b03..1e49e5d8b 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/login/advanced/LoginAdvancedPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/login/advanced/LoginAdvancedPresenter.kt
@@ -24,14 +24,47 @@ class LoginAdvancedPresenter @Inject constructor(
         view.run {
             initView()
             showOnlyScrapperModeInputs()
-            loginErrorHandler.onBadCredentials = {
-                setErrorPassIncorrect()
-                showSoftKeyboard()
-                Timber.i("Entered wrong username or password")
+            with(loginErrorHandler) {
+                onBadCredentials = ::onBadCredentials
+                onInvalidToken = ::onInvalidToken
+                onInvalidSymbol = ::onInvalidSymbol
+                onInvalidPin = ::onInvalidPin
             }
         }
     }
 
+    private fun onBadCredentials() {
+        view?.run {
+            setErrorPassIncorrect()
+            showSoftKeyboard()
+            Timber.i("Entered wrong username or password")
+        }
+    }
+
+    private fun onInvalidToken(message: String) {
+        view?.run {
+            setErrorTokenInvalid(message)
+            showSoftKeyboard()
+            Timber.i("Entered invalid token")
+        }
+    }
+
+    private fun onInvalidSymbol(message: String) {
+        view?.run {
+            setErrorSymbolInvalid(message)
+            showSoftKeyboard()
+            Timber.i("Entered invalid symbol")
+        }
+    }
+
+    private fun onInvalidPin(message: String) {
+        view?.run {
+            setErrorPinInvalid(message)
+            showSoftKeyboard()
+            Timber.i("Entered invalid PIN")
+        }
+    }
+
     fun onHostSelected() {
         view?.apply {
             clearPassError()
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/login/advanced/LoginAdvancedView.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/login/advanced/LoginAdvancedView.kt
index ea48d6464..85a85a331 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/login/advanced/LoginAdvancedView.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/login/advanced/LoginAdvancedView.kt
@@ -53,10 +53,16 @@ interface LoginAdvancedView : BaseView {
 
     fun setErrorPinRequired()
 
+    fun setErrorPinInvalid(message: String)
+
     fun setErrorSymbolRequired()
 
+    fun setErrorSymbolInvalid(message: String)
+
     fun setErrorTokenRequired()
 
+    fun setErrorTokenInvalid(message: String)
+
     fun showOnlyHybridModeInputs()
 
     fun showOnlyScrapperModeInputs()
diff --git a/app/src/main/res/layout/fragment_login_advanced.xml b/app/src/main/res/layout/fragment_login_advanced.xml
index 094e37d15..15e0904b6 100644
--- a/app/src/main/res/layout/fragment_login_advanced.xml
+++ b/app/src/main/res/layout/fragment_login_advanced.xml
@@ -188,8 +188,6 @@
                     android:id="@+id/loginFormToken"
                     android:layout_width="match_parent"
                     android:layout_height="wrap_content"
-                    android:imeActionLabel="@string/login_sign_in"
-                    android:imeOptions="actionDone"
                     android:inputType="textCapCharacters"
                     android:maxLines="1" />
             </com.google.android.material.textfield.TextInputLayout>
diff --git a/app/src/main/res/values-pl/strings.xml b/app/src/main/res/values-pl/strings.xml
index a88a42a79..dd61f7df4 100644
--- a/app/src/main/res/values-pl/strings.xml
+++ b/app/src/main/res/values-pl/strings.xml
@@ -36,6 +36,10 @@
     <string name="login_sign_in">Zaloguj</string>
     <string name="login_invalid_password">To hasło jest za krótkie</string>
     <string name="login_incorrect_password">Dane logowania są niepoprawne</string>
+    <string name="login_invalid_pin">Nieprawidłowy PIN</string>
+    <string name="login_invalid_token">Nieprawidłowy token</string>
+    <string name="login_expired_token">Token stracił ważność</string>
+    <string name="login_invalid_symbol">Niepoprawny symbol</string>
     <string name="login_incorrect_symbol">Nie znaleziono ucznia. Sprawdź symbol</string>
     <string name="login_field_required">To pole jest wymagane</string>
     <string name="login_duplicate_student">Wybrany uczeń jest już zalogowany</string>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 439bf19d6..e260a4161 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -36,6 +36,10 @@
     <string name="login_sign_in">Sign in</string>
     <string name="login_invalid_password">This password is too short</string>
     <string name="login_incorrect_password">Login details are incorrect</string>
+    <string name="login_invalid_pin">Invalid PIN</string>
+    <string name="login_invalid_token">Invalid token</string>
+    <string name="login_expired_token">Token expired</string>
+    <string name="login_invalid_symbol">Invalid symbol</string>
     <string name="login_incorrect_symbol">Student not found. Check the symbol</string>
     <string name="login_field_required">This field is required</string>
     <string name="login_duplicate_student">The selected student is already logged in</string>