diff --git a/Core2/src/main/java/com/infomaniak/core2/UserAgentUtils.kt b/Core2/src/main/java/com/infomaniak/core2/UserAgentUtils.kt
new file mode 100644
index 000000000..b0b1d49aa
--- /dev/null
+++ b/Core2/src/main/java/com/infomaniak/core2/UserAgentUtils.kt
@@ -0,0 +1,31 @@
+/*
+ * Infomaniak SwissTransfer - Android
+ * Copyright (C) 2024 Infomaniak Network SA
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.infomaniak.core2
+
+import android.os.Build
+
+fun buildUserAgent(
+    appId: String,
+    appVersionCode: Int,
+    appVersionName: String,
+): String {
+    val androidVersion = "Android ${Build.VERSION.RELEASE}"
+    val arch = System.getProperty("os.arch")
+    return "$appId/$appVersionName-$appVersionCode (${Build.MODEL}; $androidVersion; $arch)"
+}
+
diff --git a/app/src/main/java/com/infomaniak/swisstransfer/di/SwissTransferInjectionModule.kt b/app/src/main/java/com/infomaniak/swisstransfer/di/SwissTransferInjectionModule.kt
index c031732a8..4b97f730e 100644
--- a/app/src/main/java/com/infomaniak/swisstransfer/di/SwissTransferInjectionModule.kt
+++ b/app/src/main/java/com/infomaniak/swisstransfer/di/SwissTransferInjectionModule.kt
@@ -19,8 +19,10 @@ package com.infomaniak.swisstransfer.di
 
 import android.app.Application
 import com.infomaniak.core2.appintegrity.AppIntegrityManager
+import com.infomaniak.core2.buildUserAgent
 import com.infomaniak.multiplatform_swisstransfer.SwissTransferInjection
 import com.infomaniak.multiplatform_swisstransfer.common.utils.ApiEnvironment
+import com.infomaniak.swisstransfer.BuildConfig
 import dagger.Module
 import dagger.Provides
 import dagger.hilt.InstallIn
@@ -34,7 +36,12 @@ object SwissTransferInjectionModule {
     @Provides
     @Singleton
     fun providesSwissTransferInjection(): SwissTransferInjection {
-        return SwissTransferInjection(environment = ApiEnvironment.Prod, userAgent = "Ktor client")
+        val userAgent = buildUserAgent(
+            appId = BuildConfig.APPLICATION_ID,
+            appVersionCode = BuildConfig.VERSION_CODE,
+            appVersionName = BuildConfig.VERSION_NAME,
+        )
+        return SwissTransferInjection(environment = ApiEnvironment.Prod, userAgent = userAgent)
     }
 
     @Provides