diff --git a/apps/android/app/src/main/java/chat/simplex/app/model/SimpleXAPI.kt b/apps/android/app/src/main/java/chat/simplex/app/model/SimpleXAPI.kt
index 6d60736fc4..35cc77f5a5 100644
--- a/apps/android/app/src/main/java/chat/simplex/app/model/SimpleXAPI.kt
+++ b/apps/android/app/src/main/java/chat/simplex/app/model/SimpleXAPI.kt
@@ -2202,6 +2202,7 @@ sealed class ContactFeatureAllowed {
     }
 }
 
+@Serializable
 data class ContactFeaturesAllowed(
   val fullDelete: ContactFeatureAllowed,
   val voice: ContactFeatureAllowed
diff --git a/apps/android/app/src/main/java/chat/simplex/app/views/chat/ContactPreferences.kt b/apps/android/app/src/main/java/chat/simplex/app/views/chat/ContactPreferences.kt
index 4b28d18315..a309a8a3fd 100644
--- a/apps/android/app/src/main/java/chat/simplex/app/views/chat/ContactPreferences.kt
+++ b/apps/android/app/src/main/java/chat/simplex/app/views/chat/ContactPreferences.kt
@@ -11,6 +11,7 @@ import androidx.compose.foundation.layout.*
 import androidx.compose.material.MaterialTheme
 import androidx.compose.material.Text
 import androidx.compose.runtime.*
+import androidx.compose.runtime.saveable.rememberSaveable
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
diff --git a/apps/android/app/src/main/java/chat/simplex/app/views/chat/group/GroupPreferences.kt b/apps/android/app/src/main/java/chat/simplex/app/views/chat/group/GroupPreferences.kt
index 98b5f25815..550ccd16c8 100644
--- a/apps/android/app/src/main/java/chat/simplex/app/views/chat/group/GroupPreferences.kt
+++ b/apps/android/app/src/main/java/chat/simplex/app/views/chat/group/GroupPreferences.kt
@@ -11,6 +11,7 @@ import androidx.compose.foundation.layout.*
 import androidx.compose.material.MaterialTheme
 import androidx.compose.material.Text
 import androidx.compose.runtime.*
+import androidx.compose.runtime.saveable.rememberSaveable
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.stringResource
diff --git a/apps/android/app/src/main/java/chat/simplex/app/views/helpers/Util.kt b/apps/android/app/src/main/java/chat/simplex/app/views/helpers/Util.kt
index 337bc7a1ed..15cb2ee774 100644
--- a/apps/android/app/src/main/java/chat/simplex/app/views/helpers/Util.kt
+++ b/apps/android/app/src/main/java/chat/simplex/app/views/helpers/Util.kt
@@ -29,7 +29,10 @@ import androidx.core.content.FileProvider
 import androidx.core.text.HtmlCompat
 import chat.simplex.app.*
 import chat.simplex.app.model.CIFile
+import chat.simplex.app.model.json
 import kotlinx.coroutines.*
+import kotlinx.serialization.decodeFromString
+import kotlinx.serialization.encodeToString
 import java.io.*
 import java.text.SimpleDateFormat
 import java.util.*
@@ -462,3 +465,9 @@ val LongRange.Companion.saver
     save = { it.value.first to it.value.last },
     restore = { mutableStateOf(it.first..it.second) }
     )
+
+/* Make sure that T class has @Serializable annotation */
+inline fun <reified T> serializableSaver(): Saver<T, *> = Saver(
+    save = { json.encodeToString(it) },
+    restore = { json.decodeFromString(it) }
+  )
diff --git a/apps/android/app/src/main/java/chat/simplex/app/views/usersettings/Preferences.kt b/apps/android/app/src/main/java/chat/simplex/app/views/usersettings/Preferences.kt
index ac94c9aa9e..b1d1d5fde5 100644
--- a/apps/android/app/src/main/java/chat/simplex/app/views/usersettings/Preferences.kt
+++ b/apps/android/app/src/main/java/chat/simplex/app/views/usersettings/Preferences.kt
@@ -10,6 +10,7 @@ import androidx.compose.foundation.layout.*
 import androidx.compose.material.MaterialTheme
 import androidx.compose.material.Text
 import androidx.compose.runtime.*
+import androidx.compose.runtime.saveable.rememberSaveable
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.stringResource