diff --git a/app/src/main/java/org/lineageos/updater/UpdatesActivity.java b/app/src/main/java/org/lineageos/updater/UpdatesActivity.java
index 5d845f2355c0cf6dbe804b8f9bcd27243c37c6b3..f3e8456af7f459337906dfdfc5ade2de089cce83 100644
--- a/app/src/main/java/org/lineageos/updater/UpdatesActivity.java
+++ b/app/src/main/java/org/lineageos/updater/UpdatesActivity.java
@@ -619,6 +619,11 @@ public class UpdatesActivity extends UpdatesListActivity implements UpdateImport
         abPerfMode.setChecked(prefs.getBoolean(Constants.PREF_AB_PERF_MODE,
                 getResources().getBoolean(R.bool.config_prioritizeUpdateProcess)));
 
+        if (Utils.isPrefDevices()) {
+            abPerfMode.setChecked(true);
+            abPerfMode.setEnabled(false);
+        }
+
         if (getResources().getBoolean(R.bool.config_hideRecoveryUpdate)) {
             // Hide the update feature if explicitly requested.
             // Might be the case of A-only devices using prebuilt vendor images.
diff --git a/app/src/main/java/org/lineageos/updater/controller/ABUpdateInstaller.java b/app/src/main/java/org/lineageos/updater/controller/ABUpdateInstaller.java
index 488ec0e022c91f93624f19381dff5749e1836a78..afa9d2259dfdfbf712076e995f5ad320e3bcd11a 100644
--- a/app/src/main/java/org/lineageos/updater/controller/ABUpdateInstaller.java
+++ b/app/src/main/java/org/lineageos/updater/controller/ABUpdateInstaller.java
@@ -199,7 +199,7 @@ class ABUpdateInstaller {
 
         boolean enableABPerfMode = PreferenceManager.getDefaultSharedPreferences(mContext)
                 .getBoolean(Constants.PREF_AB_PERF_MODE, false);
-        mUpdateEngine.setPerformanceMode(enableABPerfMode);
+        mUpdateEngine.setPerformanceMode(enableABPerfMode || Utils.isPrefDevices());
 
         String zipFileUri = "file://" + file.getAbsolutePath();
         try {
diff --git a/app/src/main/java/org/lineageos/updater/misc/Utils.java b/app/src/main/java/org/lineageos/updater/misc/Utils.java
index 67be73473382345db370bb1bf6fd489f22d195b6..d5dfbb6c65e0b610da14315f705585fcbb8dd428 100644
--- a/app/src/main/java/org/lineageos/updater/misc/Utils.java
+++ b/app/src/main/java/org/lineageos/updater/misc/Utils.java
@@ -531,6 +531,12 @@ public class Utils {
         return isAB;
     }
 
+    public static boolean isPrefDevices() {
+        String manufacturer = Build.MANUFACTURER.toLowerCase(Locale.ROOT);
+        String device = Build.DEVICE.toLowerCase(Locale.ROOT);
+        return manufacturer.equals("fairphone") && (device.equals("fp4") || device.equals("fp5"));
+    }
+
     public static boolean isDevModeOn(Context context) {
         return Settings.Secure.getInt(context.getContentResolver(),
                 Settings.Global.DEVELOPMENT_SETTINGS_ENABLED , 0) == 1;