diff --git a/CHANGELOG.md b/CHANGELOG.md
index ce62c949d06..10d4cc43a25 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,8 +2,9 @@
 
 ## Unreleased (develop)
 
-- fixed: NYM max swaps from EVM wallets now report the correct limit error instead of an unsupported-route error (edge-exchange-plugins 2.52.1).
 - changed: Sign MoonPay buy/sell widget URLs and bind them to the customer's IP via the info server, for MoonPay's on-ramp IP-matching security upgrade.
+- fixed: NYM max swaps from EVM wallets now report the correct limit error instead of an unsupported-route error (edge-exchange-plugins 2.52.1).
+- fixed: Android phones can no longer be rotated into the unsupported landscape layout. Landscape remains available on tablets.
 
 ## 4.50.0 (2026-07-21)
 
diff --git a/android/app/src/main/AndroidManifest.xml b/android/app/src/main/AndroidManifest.xml
index 790c2bd7231..e3a34875a34 100644
--- a/android/app/src/main/AndroidManifest.xml
+++ b/android/app/src/main/AndroidManifest.xml
@@ -46,6 +46,7 @@
       android:configChanges="keyboard|keyboardHidden|orientation|screenSize|uiMode"
       android:exported="true"
       android:launchMode="singleTask"
+      android:screenOrientation="portrait"
       android:windowSoftInputMode="adjustResize"
       android:theme="@style/BootTheme">
       <intent-filter>
diff --git a/android/app/src/main/java/co/edgesecure/app/MainActivity.kt b/android/app/src/main/java/co/edgesecure/app/MainActivity.kt
index f7ea6a3ac21..ce6e173845f 100644
--- a/android/app/src/main/java/co/edgesecure/app/MainActivity.kt
+++ b/android/app/src/main/java/co/edgesecure/app/MainActivity.kt
@@ -1,6 +1,7 @@
 package co.edgesecure.app
 
 import android.content.pm.ActivityInfo
+import android.content.res.Configuration
 import android.os.Build
 import android.os.Bundle
 import com.facebook.react.ReactActivity
@@ -41,9 +42,35 @@ class MainActivity : ReactActivity() {
       setRecentsScreenshotEnabled(false)
     }
 
-    // Lock the app to portrait mode:
-    if (resources.getBoolean(R.bool.portrait_only)) {
-      requestedOrientation = ActivityInfo.SCREEN_ORIENTATION_PORTRAIT
+    applyOrientationLock()
+  }
+
+  // Edge addition
+  override fun onConfigurationChanged(newConfig: Configuration) {
+    super.onConfigurationChanged(newConfig)
+
+    // We handle orientation and screenSize config changes ourselves, so `onCreate` does not run
+    // again when the device rotates or changes size. Re-apply the lock here so that a rotation we
+    // did not ask for is corrected, and so that a device which genuinely changes screen-size class
+    // (a foldable being unfolded, or the user changing the display-size setting) is re-evaluated.
+    applyOrientationLock()
+  }
+
+  /**
+   * Restricts the app to portrait, except on tablets. Landscape is only supported on a large
+   * screen, so phones stay locked no matter how the device is turned. This mirrors what iOS does
+   * with its `UISupportedInterfaceOrientations~ipad` keys.
+   *
+   * `portrait_only` is `true` by default and overridden to `false` for tablet-sized screens, so
+   * the manifest declares portrait and this relaxes it only where landscape is actually supported.
+   */
+  private fun applyOrientationLock() {
+    val orientation =
+      if (resources.getBoolean(R.bool.portrait_only)) ActivityInfo.SCREEN_ORIENTATION_PORTRAIT
+      else ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED
+
+    if (requestedOrientation != orientation) {
+      requestedOrientation = orientation
     }
   }