diff --git a/android/app/src/main/kotlin/se/hagstedt/kvitt/di/AppBuildInfoModule.kt b/android/app/src/main/kotlin/se/hagstedt/kvitt/di/AppBuildInfoModule.kt
index ba4b12e..282eb80 100644
--- a/android/app/src/main/kotlin/se/hagstedt/kvitt/di/AppBuildInfoModule.kt
+++ b/android/app/src/main/kotlin/se/hagstedt/kvitt/di/AppBuildInfoModule.kt
@@ -6,11 +6,12 @@ import dagger.hilt.InstallIn
 import dagger.hilt.components.SingletonComponent
 import se.hagstedt.kvitt.BuildConfig
 import se.hagstedt.kvitt.data.di.AppBuildInfo
+import se.hagstedt.kvitt.link.RELEASE_SERVER_URL
 import javax.inject.Singleton
 
 /**
- * Both variants: the app's version (§10.6) and build type for `:data`'s `DataModule`, which Hilt installs in debug and
- * release alike (it binds no `:core:model` interface, D-041).
+ * Both variants: the app's version (§10.6), build type and release server ([RELEASE_SERVER_URL], D-121, D-122) for
+ * `:data`'s `DataModule`, which Hilt installs in debug and release alike (it binds no `:core:model` interface, D-041).
  */
 @Module
 @InstallIn(SingletonComponent::class)
@@ -20,5 +21,6 @@ object AppBuildInfoModule {
         versionCode = BuildConfig.VERSION_CODE,
         versionName = BuildConfig.VERSION_NAME,
         debug = BuildConfig.DEBUG,
+        releaseServerUrl = RELEASE_SERVER_URL,
     )
 }
diff --git a/android/core/fakes/src/main/kotlin/se/hagstedt/kvitt/fakes/FakeScenarios.kt b/android/core/fakes/src/main/kotlin/se/hagstedt/kvitt/fakes/FakeScenarios.kt
index ff78758..5f42c2b 100644
--- a/android/core/fakes/src/main/kotlin/se/hagstedt/kvitt/fakes/FakeScenarios.kt
+++ b/android/core/fakes/src/main/kotlin/se/hagstedt/kvitt/fakes/FakeScenarios.kt
@@ -71,7 +71,7 @@ object FakeScenarios {
         clockSkew = false,
         syncRunning = false,
         update = UpdateState.None,
-        about = AboutState("dev", 1, "https://icehack.asuscomm.com:8443", null, null),
+        about = AboutState("dev", 1, "https://kvitt.example.org:8443", null, null),
         online = true,
         today = "2026-10-17",
         now = "2026-10-17T06:00:00.000Z",
diff --git a/android/core/fakes/src/main/kotlin/se/hagstedt/kvitt/fakes/settings/SettingsScenarios.kt b/android/core/fakes/src/main/kotlin/se/hagstedt/kvitt/fakes/settings/SettingsScenarios.kt
index 6443853..80663cc 100644
--- a/android/core/fakes/src/main/kotlin/se/hagstedt/kvitt/fakes/settings/SettingsScenarios.kt
+++ b/android/core/fakes/src/main/kotlin/se/hagstedt/kvitt/fakes/settings/SettingsScenarios.kt
@@ -116,7 +116,7 @@ object SettingsScenarios {
         devices = devices,
         invites = listOf(pendingDeviceInvite),
         lastSuccessAt = "2026-10-17T11:59:00.000Z",
-        about = AboutState("1.1", 11, "https://icehack.asuscomm.com:8443", "1.1.0", 3),
+        about = AboutState("1.1", 11, "https://kvitt.example.org:8443", "1.1.0", 3),
         today = "2026-10-17",
         now = "2026-10-17T12:02:00.000Z",
         defaultAccountId = huset.id,
diff --git a/android/data/src/main/kotlin/se/hagstedt/kvitt/data/di/DataModule.kt b/android/data/src/main/kotlin/se/hagstedt/kvitt/data/di/DataModule.kt
index 83b0362..dbbba69 100644
--- a/android/data/src/main/kotlin/se/hagstedt/kvitt/data/di/DataModule.kt
+++ b/android/data/src/main/kotlin/se/hagstedt/kvitt/data/di/DataModule.kt
@@ -87,8 +87,11 @@ import javax.inject.Provider
 import javax.inject.Qualifier
 import javax.inject.Singleton
 
-/** What `:app` provides: its version (§10.6) and build type (AC-2.8, AC-16.5). */
-data class AppBuildInfo(val versionCode: Int, val versionName: String, val debug: Boolean)
+/**
+ * What `:app` provides: its version (§10.6), build type (AC-2.8, AC-16.5) and release server `https://<host>:8443`
+ * (`RELEASE_SERVER_URL`, from the Gradle property `kvitt.publicHost`, D-121), which S-22 shows before pairing (D-122).
+ */
+data class AppBuildInfo(val versionCode: Int, val versionName: String, val debug: Boolean, val releaseServerUrl: String)
 
 @Qualifier
 @Retention(AnnotationRetention.BINARY)
@@ -110,9 +113,6 @@ annotation class DataScope
 @Module
 @InstallIn(SingletonComponent::class)
 object DataModule {
-    /** §8.5: release builds use https only (the app's network security config); the default server of AC-2.7. */
-    const val DEFAULT_SERVER_URL = "https://icehack.asuscomm.com:8443"
-
     @Provides @Singleton @DataScope
     fun scope(): CoroutineScope = CoroutineScope(SupervisorJob() + Dispatchers.Default)
 
@@ -276,7 +276,7 @@ object DataModule {
 
     @Provides @Singleton
     fun about(credentials: CredentialStore, session: SessionManager, api: KvittApi, gate: OnlineGate, build: AppBuildInfo): AboutRepositoryImpl =
-        AboutRepositoryImpl(credentials, session.serverVersion, api, gate, build.versionName, build.versionCode, DEFAULT_SERVER_URL)
+        AboutRepositoryImpl(credentials, session.serverVersion, api, gate, build.versionName, build.versionCode, build.releaseServerUrl)
 }
 
 /** The `:core:model` interfaces bound to `:data`. Not installed automatically: `:app` includes it in its release graph. */
diff --git a/android/data/src/main/kotlin/se/hagstedt/kvitt/data/repo/SettingsRepositories.kt b/android/data/src/main/kotlin/se/hagstedt/kvitt/data/repo/SettingsRepositories.kt
index 10d6fb6..f8d781e 100644
--- a/android/data/src/main/kotlin/se/hagstedt/kvitt/data/repo/SettingsRepositories.kt
+++ b/android/data/src/main/kotlin/se/hagstedt/kvitt/data/repo/SettingsRepositories.kt
@@ -388,7 +388,8 @@ class AboutRepositoryImpl(
     private val gate: OnlineGate,
     private val versionName: String,
     private val versionCode: Int,
-    private val defaultServerUrl: String,
+    /** Shown while no server is paired: `AppBuildInfo.releaseServerUrl`, `https://<kvitt.publicHost>:8443` (D-122). */
+    private val releaseServerUrl: String,
 ) : AboutRepository {
     override fun about(): Flow<AboutState> {
         val health = flow {
@@ -396,7 +397,7 @@ class AboutRepositoryImpl(
             emit((gate.run({ api.health() }) { it } as? OnlineResult.Ok)?.value)
         }
         return combine(credentials.record, serverVersion, health) { record, header, h ->
-            AboutState(versionName, versionCode, record.baseUrl ?: defaultServerUrl, h?.serverVersion ?: header, h?.schemaVersion)
+            AboutState(versionName, versionCode, record.baseUrl ?: releaseServerUrl, h?.serverVersion ?: header, h?.schemaVersion)
         }.distinctUntilChanged()
     }
 }
diff --git a/android/data/src/test/kotlin/se/hagstedt/kvitt/data/repo/RepositoriesTest.kt b/android/data/src/test/kotlin/se/hagstedt/kvitt/data/repo/RepositoriesTest.kt
index 19d47f3..5d93055 100644
--- a/android/data/src/test/kotlin/se/hagstedt/kvitt/data/repo/RepositoriesTest.kt
+++ b/android/data/src/test/kotlin/se/hagstedt/kvitt/data/repo/RepositoriesTest.kt
@@ -374,7 +374,7 @@ class RepositoriesTest {
         h.server.restHandler = { _, path ->
             if (path == "/health") HttpStatusCode.OK to """{"status":"ok","server_version":"1.2.0","schema_version":3,"db_ok":true}""" else null
         }
-        val repo = AboutRepositoryImpl(h.credentials, kotlinx.coroutines.flow.MutableStateFlow("1.1.0"), h.api, h.gate, "1.1", 11, "https://default.test")
+        val repo = AboutRepositoryImpl(h.credentials, kotlinx.coroutines.flow.MutableStateFlow("1.1.0"), h.api, h.gate, "1.1", 11, RELEASE_SERVER_URL)
         val state = repo.about().first { it.schemaVersion != null }
         assertEquals("1.2.0", state.serverVersion)
         assertEquals(3, state.schemaVersion)
@@ -387,7 +387,7 @@ class RepositoriesTest {
     fun about_offlineOrFailingHealth_fallsBackToTheHeaderVersion() = runSync {
         val header = kotlinx.coroutines.flow.MutableStateFlow<String?>("1.1.0")
         h.monitor.state.value = false
-        val repo = AboutRepositoryImpl(h.credentials, header, h.api, h.gate, "1.1", 11, "https://default.test")
+        val repo = AboutRepositoryImpl(h.credentials, header, h.api, h.gate, "1.1", 11, RELEASE_SERVER_URL)
         val offline = repo.about().first()
         assertEquals("1.1.0", offline.serverVersion)
         assertNull(offline.schemaVersion)
@@ -400,6 +400,14 @@ class RepositoriesTest {
         assertEquals("1.1.0", repo.about().first().serverVersion)
     }
 
+    @Test
+    fun about_unpaired_showsTheReleaseServerOfTheBuild() = runSync {
+        h.credentials.clear()
+        h.monitor.state.value = false
+        val repo = AboutRepositoryImpl(h.credentials, kotlinx.coroutines.flow.MutableStateFlow<String?>(null), h.api, h.gate, "1.1", 11, RELEASE_SERVER_URL)
+        assertEquals(RELEASE_SERVER_URL, repo.about().first().serverUrl)
+    }
+
     @Test
     fun categoryReorder_sendsOnePatchPerChangedSortOrder() = runSync {
         val patched = mutableListOf<Pair<String, Int?>>()
@@ -519,5 +527,7 @@ class RepositoriesTest {
 
     private companion object {
         const val OLDER = "0192a003-0000-7000-8000-000000000002"
+        /** `AppBuildInfo.releaseServerUrl` of the tests: a fixed host, not `:app`'s `kvitt.publicHost` (D-122). */
+        const val RELEASE_SERVER_URL = "https://kvitt.example.org:8443"
     }
 }
diff --git a/android/feature/settings/src/test/screenshots/s21_invites_created_device_en_light.png b/android/feature/settings/src/test/screenshots/s21_invites_created_device_en_light.png
index 3b798ee..7ce8957 100644
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