diff --git a/android/build.gradle.kts b/android/build.gradle.kts
index 43414fb..7bb08ca 100644
--- a/android/build.gradle.kts
+++ b/android/build.gradle.kts
@@ -20,6 +20,8 @@ import org.jetbrains.kotlin.gradle.dsl.JvmTarget
 plugins {
     alias(libs.plugins.android.application)
     alias(libs.plugins.compose)
+    // necessary for using T.serializer() on a data class
+    alias(libs.plugins.kotlin.serialization)
 }
 
 android {
@@ -96,6 +98,7 @@ dependencies {
     implementation(libs.androidx.glance.material3)
     implementation(libs.kotlin.stdlib)
     implementation(libs.kotlinx.coroutines.android)
+    implementation(libs.kotlinx.serialization.json)
 
     implementation(libs.androidx.activity.compose)
 
@@ -115,6 +118,10 @@ dependencies {
     implementation(libs.androidx.compose.ui.viewbinding)
     implementation(libs.androidx.compose.ui.googlefonts)
 
+    implementation(libs.ktor.client.auth)
+    implementation(libs.ktor.client.core)
+    implementation(libs.ktor.client.cio)
+
     debugImplementation(libs.androidx.compose.ui.test.manifest)
 
     androidTestImplementation(libs.junit)
diff --git a/android/src/main/AndroidManifest.xml b/android/src/main/AndroidManifest.xml
index 676ce5b..6f87e86 100644
--- a/android/src/main/AndroidManifest.xml
+++ b/android/src/main/AndroidManifest.xml
@@ -9,6 +9,8 @@
     <uses-permission android:name="android.permission.READ_PHONE_STATE" />
     <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
     <uses-permission android:name="android.provider.Telephony.SMS_RECEIVED" />
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
     <application
         android:allowBackup="true"
         android:enableOnBackInvokedCallback="true"
diff --git a/android/src/main/kotlin/xyz/magicalbits/smsremote/NavActivity.kt b/android/src/main/kotlin/xyz/magicalbits/smsremote/NavActivity.kt
index 7afd641..fc3e079 100644
--- a/android/src/main/kotlin/xyz/magicalbits/smsremote/NavActivity.kt
+++ b/android/src/main/kotlin/xyz/magicalbits/smsremote/NavActivity.kt
@@ -32,19 +32,24 @@ import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.platform.ComposeView
 import androidx.compose.ui.viewinterop.AndroidViewBinding
-import androidx.core.os.bundleOf
 import androidx.core.view.ViewCompat
 import androidx.lifecycle.compose.collectAsStateWithLifecycle
+import androidx.lifecycle.viewModelScope
 import androidx.navigation.NavController
 import androidx.navigation.fragment.NavHostFragment
 import kotlinx.coroutines.launch
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.builtins.serializer
+import kotlinx.serialization.json.Json
 import xyz.magicalbits.smsremote.components.JetchatDrawer
 import xyz.magicalbits.smsremote.databinding.ContentMainBinding
+import xyz.magicalbits.smsremote.network.NetworkClient
 
 /**
  * Main activity for the app.
  */
 class NavActivity : AppCompatActivity() {
+
     private val viewModel: MainViewModel by viewModels()
 
     @OptIn(ExperimentalMaterial3Api::class)
@@ -53,6 +58,12 @@ class NavActivity : AppCompatActivity() {
         super.onCreate(savedInstanceState)
         ViewCompat.setOnApplyWindowInsetsListener(window.decorView) { _, insets -> insets }
 
+        var deviceDtoList: List<NetworkClient.DeviceDto> = listOf()
+        viewModel.viewModelScope.launch {
+            val networkClient = NetworkClient()
+            deviceDtoList = networkClient.getDevices()
+        }
+
         setContentView(
             ComposeView(this).apply {
                 consumeWindowInsets = false
@@ -79,15 +90,18 @@ class NavActivity : AppCompatActivity() {
                     JetchatDrawer(
                         drawerState = drawerState,
                         selectedMenu = selectedMenu,
+                        deviceDtoList = deviceDtoList,
                         onChatClicked = {
                             findNavController().popBackStack(R.id.nav_device, false)
                             val args = Bundle(1)
-                            args.putString("deviceName", it)
+                            args.putString("deviceId", it.access_key)
+                            args.putString("name", it.name)
+                            args.putString("type", it.type)
                             findNavController().navigate(R.id.nav_device, args)
                             scope.launch {
                                 drawerState.close()
                             }
-                            selectedMenu = it
+                            selectedMenu = it.access_key
                         },
                     ) {
                         AndroidViewBinding(ContentMainBinding::inflate)
diff --git a/android/src/main/kotlin/xyz/magicalbits/smsremote/components/JetchatDrawer.kt b/android/src/main/kotlin/xyz/magicalbits/smsremote/components/JetchatDrawer.kt
index d46e26a..490bfd9 100644
--- a/android/src/main/kotlin/xyz/magicalbits/smsremote/components/JetchatDrawer.kt
+++ b/android/src/main/kotlin/xyz/magicalbits/smsremote/components/JetchatDrawer.kt
@@ -56,11 +56,12 @@ import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
 import xyz.magicalbits.smsremote.R
+import xyz.magicalbits.smsremote.network.NetworkClient
 import xyz.magicalbits.smsremote.theme.JetchatTheme
 import xyz.magicalbits.smsremote.widget.WidgetReceiver
 
 @Composable
-fun JetchatDrawerContent(onChatClicked: (String) -> Unit, selectedMenu: String = "iPhone XYZ") {
+fun JetchatDrawerContent(onChatClicked: (NetworkClient.DeviceDto) -> Unit, selectedMenu: String = "", deviceDtoList: List<NetworkClient.DeviceDto> = listOf()) {
     // Use windowInsetsTopHeight() to add a spacer which pushes the drawer content
     // below the status bar (y-axis)
     Column {
@@ -68,12 +69,13 @@ fun JetchatDrawerContent(onChatClicked: (String) -> Unit, selectedMenu: String =
         DrawerHeader()
         DividerItem()
         DrawerItemHeader("Devices")
-        DeviceItem("Samsung A14", selectedMenu == "Samsung A14") {
-            onChatClicked("Samsung A14")
-        }
-        DeviceItem("iPhone XYZ", selectedMenu == "iPhone XYZ") {
-            onChatClicked("iPhone XYZ")
+
+        for (deviceDto in deviceDtoList) {
+            DeviceItem(deviceDto.name, selectedMenu == deviceDto.access_key) {
+                onChatClicked(deviceDto)
+            }
         }
+
 //        DividerItem(modifier = Modifier.padding(horizontal = 28.dp))
         if (widgetAddingIsSupported(LocalContext.current)) {
             DividerItem(modifier = Modifier.padding(horizontal = 28.dp))
diff --git a/android/src/main/kotlin/xyz/magicalbits/smsremote/components/JetchatScaffold.kt b/android/src/main/kotlin/xyz/magicalbits/smsremote/components/JetchatScaffold.kt
index 257ab78..7cf827f 100644
--- a/android/src/main/kotlin/xyz/magicalbits/smsremote/components/JetchatScaffold.kt
+++ b/android/src/main/kotlin/xyz/magicalbits/smsremote/components/JetchatScaffold.kt
@@ -23,13 +23,15 @@ import androidx.compose.material3.ModalDrawerSheet
 import androidx.compose.material3.ModalNavigationDrawer
 import androidx.compose.material3.rememberDrawerState
 import androidx.compose.runtime.Composable
+import xyz.magicalbits.smsremote.network.NetworkClient
 import xyz.magicalbits.smsremote.theme.JetchatTheme
 
 @Composable
 fun JetchatDrawer(
     drawerState: DrawerState = rememberDrawerState(initialValue = Closed),
     selectedMenu: String,
-    onChatClicked: (String) -> Unit,
+    deviceDtoList: List<NetworkClient.DeviceDto>,
+    onChatClicked: (NetworkClient.DeviceDto) -> Unit,
     content: @Composable () -> Unit,
 ) {
     JetchatTheme {
@@ -44,6 +46,7 @@ fun JetchatDrawer(
                     JetchatDrawerContent(
                         onChatClicked = onChatClicked,
                         selectedMenu = selectedMenu,
+                        deviceDtoList = deviceDtoList,
                     )
                 }
             },
diff --git a/android/src/main/kotlin/xyz/magicalbits/smsremote/data/FakeData.kt b/android/src/main/kotlin/xyz/magicalbits/smsremote/data/FakeData.kt
index defc460..d8a7d86 100644
--- a/android/src/main/kotlin/xyz/magicalbits/smsremote/data/FakeData.kt
+++ b/android/src/main/kotlin/xyz/magicalbits/smsremote/data/FakeData.kt
@@ -87,17 +87,3 @@ val meProfile =
         timeZone = "In your timezone",
         commonChannels = null,
     )
-
-val a14Device =
-    DeviceScreenState(
-        deviceId = "012345",
-        name = "Samsung A14",
-        phoneNumbers = listOf("+420123456789", "+420777444111")
-    )
-
-val iPhoneDevice =
-    DeviceScreenState(
-        deviceId = "012345",
-        name = "iPhone XYZ",
-        phoneNumbers = listOf("+15558881111")
-    )
diff --git a/android/src/main/kotlin/xyz/magicalbits/smsremote/device/DeviceFragment.kt b/android/src/main/kotlin/xyz/magicalbits/smsremote/device/DeviceFragment.kt
index d1a6c5c..297d523 100644
--- a/android/src/main/kotlin/xyz/magicalbits/smsremote/device/DeviceFragment.kt
+++ b/android/src/main/kotlin/xyz/magicalbits/smsremote/device/DeviceFragment.kt
@@ -9,7 +9,6 @@ import androidx.compose.foundation.layout.wrapContentSize
 import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.livedata.observeAsState
-import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.ui.ExperimentalComposeUiApi
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.platform.ComposeView
@@ -24,7 +23,6 @@ import xyz.magicalbits.smsremote.components.JetchatAppBar
 import xyz.magicalbits.smsremote.theme.JetchatTheme
 import kotlin.getValue
 import androidx.navigation.findNavController
-import kotlinx.coroutines.launch
 
 class DeviceFragment : Fragment() {
     private val viewModel: DeviceViewModel by viewModels()
@@ -33,8 +31,10 @@ class DeviceFragment : Fragment() {
     override fun onAttach(context: Context) {
         super.onAttach(context)
         // Consider using safe args plugin
-        val deviceName = arguments?.getString("deviceName")
-        viewModel.setDeviceId(deviceName)
+        val deviceId = arguments?.getString("deviceId")
+        val name = arguments?.getString("name")
+        val type = arguments?.getString("type")
+        viewModel.setDeviceData(deviceId, name, type)
     }
 
     @OptIn(ExperimentalComposeUiApi::class, ExperimentalMaterial3Api::class)
@@ -65,6 +65,7 @@ class DeviceFragment : Fragment() {
 
                 JetchatTheme {
                     if (deviceData == null) {
+                        println("calling device error")
                         DeviceError()
                     } else {
                         val navController: NavController = rootView.findNavController()
diff --git a/android/src/main/kotlin/xyz/magicalbits/smsremote/device/DeviceViewModel.kt b/android/src/main/kotlin/xyz/magicalbits/smsremote/device/DeviceViewModel.kt
index 179cada..0eb277e 100644
--- a/android/src/main/kotlin/xyz/magicalbits/smsremote/device/DeviceViewModel.kt
+++ b/android/src/main/kotlin/xyz/magicalbits/smsremote/device/DeviceViewModel.kt
@@ -4,26 +4,39 @@ import androidx.compose.runtime.Immutable
 import androidx.lifecycle.LiveData
 import androidx.lifecycle.MutableLiveData
 import androidx.lifecycle.ViewModel
-import xyz.magicalbits.smsremote.data.a14Device
-import xyz.magicalbits.smsremote.data.iPhoneDevice
+import androidx.lifecycle.viewModelScope
+import kotlinx.coroutines.launch
+import xyz.magicalbits.smsremote.network.NetworkClient
 
 class DeviceViewModel : ViewModel() {
     private var deviceId: String = ""
     private val _deviceData = MutableLiveData<DeviceScreenState>()
     val deviceData: LiveData<DeviceScreenState> = _deviceData
 
-    fun setDeviceId(newDeviceId: String?) {
-        if (newDeviceId != null) {
+    fun setDeviceData(newDeviceId: String?, name: String?, type: String?) {
+        if (newDeviceId != null && name != null) {
             deviceId = newDeviceId
-        }
 
-        // placeholder since there's no API reading logic yet
-        _deviceData.value =
-            if (deviceId == "Samsung A14") {
-                a14Device
-            } else {
-                iPhoneDevice
+            var simCardDtoList: List<NetworkClient.SimCardDto> = listOf()
+            viewModelScope.launch {
+                val networkClient = NetworkClient()
+                simCardDtoList = networkClient.getSimCardsByAccessKey(deviceId)
+                println("sims: $simCardDtoList")
+            }.invokeOnCompletion {
+                // FIXME waiting for the response causes brief moment of DeviceError() before _deviceData is updated ...
+                //  a solution: caching SIM phone numbers of all discovered devices locally on startup and updating them
+                //  only on startup (implicit behavior) or with a pull-down refresh action (not done yet)
+
+                // placeholder since there's no API reading logic yet
+                _deviceData.value =
+                    DeviceScreenState(
+                        deviceId = deviceId,
+                        name = name,
+                        phoneNumbers = simCardDtoList.map { it.phone_number },
+                    )
+                println("sims live: ${_deviceData.value!!.phoneNumbers}")
             }
+        }
     }
 }
 
diff --git a/android/src/main/res/navigation/mobile_navigation.xml b/android/src/main/res/navigation/mobile_navigation.xml
index 84b650c..eac44a3 100644
--- a/android/src/main/res/navigation/mobile_navigation.xml
+++ b/android/src/main/res/navigation/mobile_navigation.xml
@@ -43,6 +43,12 @@
         <argument
             android:name="deviceId"
             app:argType="string" />
+        <argument
+            android:name="name"
+            app:argType="string" />
+        <argument
+            android:name="type"
+            app:argType="string" />
         <action
             android:id="@+id/action_device_to_conversation"
             app:destination="@id/nav_conversation"
diff --git a/backend/run.sh b/backend/run.sh
index 7456bca..e868311 100755
--- a/backend/run.sh
+++ b/backend/run.sh
@@ -1,2 +1,2 @@
-uv run gunicorn app:app \
+uv run gunicorn -b 0.0.0.0:5000 app:app \
 	--reload
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index f20063f..cc907f0 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -37,6 +37,7 @@ gradle-versions = "0.54.0"
 hilt = "2.59.2"
 hiltExt = "1.3.0"
 horologist = "0.7.15"
+ktor-client = "3.5.0"
 jdkDesugar = "2.1.5"
 junit = "4.13.2"
 kotlin = "2.3.21"
@@ -147,6 +148,9 @@ kotlinx-collections-immutable = { module = "org.jetbrains.kotlinx:kotlinx-collec
 kotlinx-coroutines-android = { module = "org.jetbrains.kotlinx:kotlinx-coroutines-android", version.ref = "coroutines" }
 kotlinx-coroutines-test = { module = "org.jetbrains.kotlinx:kotlinx-coroutines-test", version.ref = "coroutines" }
 kotlinx-serialization-json = { module = "org.jetbrains.kotlinx:kotlinx-serialization-json", version.ref = "kotlinx-serialization-json" }
+ktor-client-auth = { module = "io.ktor:ktor-client-auth", version.ref = "ktor-client"}
+ktor-client-core = { module = "io.ktor:ktor-client-core", version.ref = "ktor-client"}
+ktor-client-cio = { module = "io.ktor:ktor-client-cio", version.ref = "ktor-client"}
 okhttp-logging = { module = "com.squareup.okhttp3:logging-interceptor", version.ref = "okhttp" }
 okhttp3 = { module = "com.squareup.okhttp3:okhttp", version.ref = "okhttp" }
 play-services-wearable = { module = "com.google.android.gms:play-services-wearable", version.ref = "play-services-wearable" }