diff --git a/play-services-base/core/src/main/kotlin/org/microg/gms/settings/SettingsContract.kt b/play-services-base/core/src/main/kotlin/org/microg/gms/settings/SettingsContract.kt
index 9791f4f06b..9b894f3a12 100644
--- a/play-services-base/core/src/main/kotlin/org/microg/gms/settings/SettingsContract.kt
+++ b/play-services-base/core/src/main/kotlin/org/microg/gms/settings/SettingsContract.kt
@@ -34,6 +34,7 @@ object SettingsContract {
         const val SECURITY_TOKEN = "securityToken"
         const val VERSION_INFO = "versionInfo"
         const val DEVICE_DATA_VERSION_INFO = "deviceDataVersionInfo"
+        const val BRAND_SPOOF = "brandSpoof"
 
         val PROJECTION = arrayOf(
             ENABLED,
@@ -43,6 +44,7 @@ object SettingsContract {
             SECURITY_TOKEN,
             VERSION_INFO,
             DEVICE_DATA_VERSION_INFO,
+            BRAND_SPOOF
         )
         const val PREFERENCES_NAME = "checkin"
         const val INITIAL_DIGEST = "1-929a0dca0eee55513280171a8585da7dcd3700f8"
diff --git a/play-services-base/core/src/main/kotlin/org/microg/gms/settings/SettingsProvider.kt b/play-services-base/core/src/main/kotlin/org/microg/gms/settings/SettingsProvider.kt
index dfb027d915..656c01c1e0 100644
--- a/play-services-base/core/src/main/kotlin/org/microg/gms/settings/SettingsProvider.kt
+++ b/play-services-base/core/src/main/kotlin/org/microg/gms/settings/SettingsProvider.kt
@@ -116,6 +116,7 @@ class SettingsProvider : ContentProvider() {
             CheckIn.SECURITY_TOKEN -> checkInPrefs.getLong(key, 0)
             CheckIn.VERSION_INFO -> checkInPrefs.getString(key, "") ?: ""
             CheckIn.DEVICE_DATA_VERSION_INFO -> checkInPrefs.getString(key, "") ?: ""
+            CheckIn.BRAND_SPOOF -> getSettingsBoolean(key, false)
             else -> throw IllegalArgumentException()
         }
     }
@@ -133,6 +134,10 @@ class SettingsProvider : ContentProvider() {
                 // special case: not saved in checkInPrefs
                 updateCheckInEnabled(value as Boolean)
             }
+            if (key == CheckIn.BRAND_SPOOF) {
+                // special case: not saved in checkInPrefs
+                updateSpoofingEnabled(value as Boolean)
+            }
             when (key) {
                 CheckIn.ANDROID_ID -> editor.putLong(key, value as Long)
                 CheckIn.DIGEST -> editor.putString(key, value as String?)
@@ -151,6 +156,12 @@ class SettingsProvider : ContentProvider() {
             .apply()
     }
 
+    private fun updateSpoofingEnabled(enabled: Boolean) {
+        preferences.edit()
+            .putBoolean(CheckIn.BRAND_SPOOF, enabled)
+            .apply()
+    }
+
     private fun queryGcm(p: Array<out String>): Cursor = MatrixCursor(p).addRow(p) { key ->
         when (key) {
             Gcm.ENABLE_GCM -> getSettingsBoolean(key, false)
diff --git a/play-services-core/src/main/java/org/microg/gms/auth/login/AssistantActivity.java b/play-services-core/src/main/java/org/microg/gms/auth/login/AssistantActivity.java
index afe4366ef3..6c3b876e03 100644
--- a/play-services-core/src/main/java/org/microg/gms/auth/login/AssistantActivity.java
+++ b/play-services-core/src/main/java/org/microg/gms/auth/login/AssistantActivity.java
@@ -40,18 +40,8 @@ protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.login_assistant);
         formatTitle();
-        findViewById(R.id.next_button).setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                onNextButtonClicked();
-            }
-        });
-        findViewById(R.id.back_button).setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                onBackButtonClicked();
-            }
-        });
+        findViewById(R.id.spoof_button).setOnClickListener(v -> onHuaweiButtonClicked());
+        findViewById(R.id.next_button).setOnClickListener(v -> onNextButtonClicked());
     }
 
     @SuppressLint("WrongViewCast")
@@ -65,37 +55,37 @@ private void formatTitle() {
         }
     }
 
-    public void setNextButtonText(@StringRes int res) {
-        setNextButtonText(getText(res));
+    public void setSpoofButtonText(@StringRes int res) {
+        setSpoofButtonText(getText(res));
     }
 
-    public void setNextButtonText(CharSequence text) {
+    public void setSpoofButtonText(CharSequence text) {
         if (text == null) {
-            findViewById(R.id.next_button).setVisibility(View.GONE);
+            findViewById(R.id.spoof_button).setVisibility(View.GONE);
         } else {
-            findViewById(R.id.next_button).setVisibility(View.VISIBLE);
-            ((Button) findViewById(R.id.next_button)).setText(text);
+            findViewById(R.id.spoof_button).setVisibility(View.VISIBLE);
+            ((Button) findViewById(R.id.spoof_button)).setText(text);
         }
     }
 
-    public void setBackButtonText(@StringRes int res) {
-        setBackButtonText(getText(res));
+    public void setNextButtonText(@StringRes int res) {
+        setNextButtonText(getText(res));
     }
 
-    public void setBackButtonText(CharSequence text) {
+    public void setNextButtonText(CharSequence text) {
         if (text == null) {
-            findViewById(R.id.back_button).setVisibility(View.GONE);
+            findViewById(R.id.next_button).setVisibility(View.GONE);
         } else {
-            findViewById(R.id.back_button).setVisibility(View.VISIBLE);
-            ((Button) findViewById(R.id.back_button)).setText(text);
+            findViewById(R.id.next_button).setVisibility(View.VISIBLE);
+            ((Button) findViewById(R.id.next_button)).setText(text);
         }
     }
 
-    protected void onNextButtonClicked() {
+    protected void onHuaweiButtonClicked() {
 
     }
 
-    protected void onBackButtonClicked() {
+    protected void onNextButtonClicked() {
 
     }
 
diff --git a/play-services-core/src/main/java/org/microg/gms/auth/login/LoginActivity.java b/play-services-core/src/main/java/org/microg/gms/auth/login/LoginActivity.java
index cff37f1361..90f44e8677 100644
--- a/play-services-core/src/main/java/org/microg/gms/auth/login/LoginActivity.java
+++ b/play-services-core/src/main/java/org/microg/gms/auth/login/LoginActivity.java
@@ -75,6 +75,8 @@
 import static android.view.View.VISIBLE;
 import static android.view.inputmethod.InputMethodManager.SHOW_IMPLICIT;
 import static org.microg.gms.auth.AuthPrefs.isAuthVisible;
+import static org.microg.gms.checkin.CheckinPreferences.isSpoofingEnabled;
+import static org.microg.gms.checkin.CheckinPreferences.setSpoofingEnabled;
 import static org.microg.gms.common.Constants.*;
 
 public class LoginActivity extends AssistantActivity {
@@ -159,7 +161,7 @@ public void onPageFinished(WebView view, String url) {
             init();
         } else {
             setMessage(R.string.auth_before_connect);
-            setBackButtonText(android.R.string.cancel);
+            setSpoofButtonText(R.string.brand_spoof_button);
             setNextButtonText(R.string.auth_sign_in);
         }
     }
@@ -169,6 +171,10 @@ protected void onNextButtonClicked() {
         super.onNextButtonClicked();
         state++;
         if (state == 1) {
+            if (isSpoofingEnabled(this)) {
+                LastCheckinInfo.clear(this);
+                setSpoofingEnabled(this, false);
+            }
             init();
         } else if (state == -1) {
             setResult(RESULT_CANCELED);
@@ -176,11 +182,19 @@ protected void onNextButtonClicked() {
         }
     }
 
+
     @Override
-    protected void onBackButtonClicked() {
-        super.onBackButtonClicked();
-        state--;
-        if (state == -1) {
+    protected void onHuaweiButtonClicked() {
+        super.onHuaweiButtonClicked();
+        state++;
+        if (state == 1) {
+            if (!isSpoofingEnabled(this)) {
+                LastCheckinInfo.clear(this);
+                setSpoofingEnabled(this, true);
+            }
+            init();
+        } else if (state == -1) {
+            setResult(RESULT_CANCELED);
             finish();
         }
     }
@@ -195,7 +209,7 @@ public void onBackPressed() {
 
     private void init() {
         setTitle(R.string.just_a_sec);
-        setBackButtonText(null);
+        setSpoofButtonText(null);
         setNextButtonText(null);
         View loading = getLayoutInflater().inflate(R.layout.login_assistant_loading, authContent, false);
         authContent.removeAllViews();
diff --git a/play-services-core/src/main/java/org/microg/gms/checkin/CheckinClient.java b/play-services-core/src/main/java/org/microg/gms/checkin/CheckinClient.java
index 2374d25d6e..4e01ad98cc 100644
--- a/play-services-core/src/main/java/org/microg/gms/checkin/CheckinClient.java
+++ b/play-services-core/src/main/java/org/microg/gms/checkin/CheckinClient.java
@@ -81,26 +81,26 @@ public static CheckinResponse request(CheckinRequest request) throws IOException
     public static CheckinRequest makeRequest(Context context, DeviceConfiguration deviceConfiguration,
                                              DeviceIdentifier deviceIdent, PhoneInfo phoneInfo,
                                              LastCheckinInfo checkinInfo, Locale locale,
-                                             List<Account> accounts) {
+                                             List<Account> accounts, Boolean brandSpoof) {
         ProfileManager.ensureInitialized(context);
         CheckinRequest.Builder builder = new CheckinRequest.Builder()
                 .accountCookie(new ArrayList<>())
                 .androidId(checkinInfo.getAndroidId())
                 .checkin(new CheckinRequest.Checkin.Builder()
                         .build(new CheckinRequest.Checkin.Build.Builder()
-                                .bootloader(Build.BOOTLOADER)
-                                .brand(Build.BRAND)
+                                .bootloader(brandSpoof ? "c2f2-0.2-5799621" : Build.BOOTLOADER)
+                                .brand(brandSpoof ? "google" : Build.BRAND)
                                 .clientId("android-google")
-                                .device(Build.DEVICE)
-                                .fingerprint(Build.FINGERPRINT)
-                                .hardware(Build.HARDWARE)
-                                .manufacturer(Build.MANUFACTURER)
-                                .model(Build.MODEL)
+                                .device(brandSpoof ? "generic" : Build.DEVICE)
+                                .fingerprint(brandSpoof ? "google/coral/coral:10/QD1A.190821.007/5831595:user/release-keys" : Build.FINGERPRINT)
+                                .hardware(brandSpoof ? "coral" : Build.HARDWARE)
+                                .manufacturer(brandSpoof ? "Google" : Build.MANUFACTURER)
+                                .model(brandSpoof ? "mainline" : Build.MODEL)
                                 .otaInstalled(false) // TODO?
                                 //.packageVersionCode(Constants.MAX_REFERENCE_VERSION)
-                                .product(Build.PRODUCT)
-                                .radio(Build.RADIO)
-                                .sdkVersion(Build.VERSION.SDK_INT)
+                                .product(brandSpoof ? "coral" : Build.PRODUCT)
+                                .radio(brandSpoof ? "" : Build.RADIO)
+                                .sdkVersion(brandSpoof ? 29 : Build.VERSION.SDK_INT)
                                 .time(Build.TIME / 1000)
                                 .build())
                         .cellOperator(phoneInfo.cellOperator)
diff --git a/play-services-core/src/main/java/org/microg/gms/checkin/CheckinManager.java b/play-services-core/src/main/java/org/microg/gms/checkin/CheckinManager.java
index 1604ed2565..70a49fe400 100644
--- a/play-services-core/src/main/java/org/microg/gms/checkin/CheckinManager.java
+++ b/play-services-core/src/main/java/org/microg/gms/checkin/CheckinManager.java
@@ -16,8 +16,11 @@
 
 package org.microg.gms.checkin;
 
+import static org.microg.gms.checkin.CheckinPreferences.isSpoofingEnabled;
+
 import android.accounts.Account;
 import android.accounts.AccountManager;
+import android.os.Build;
 import android.content.ContentResolver;
 import android.content.Context;
 
@@ -57,7 +60,7 @@ public static synchronized LastCheckinInfo checkin(Context context, boolean forc
         }
         CheckinRequest request = CheckinClient.makeRequest(context,
                 new DeviceConfiguration(context), Utils.getDeviceIdentifier(context),
-                Utils.getPhoneInfo(context), info, Utils.getLocale(context), accounts);
+                Utils.getPhoneInfo(context), info, Utils.getLocale(context), accounts, isSpoofingEnabled(context));
         return handleResponse(context, CheckinClient.request(request));
     }
 
diff --git a/play-services-core/src/main/kotlin/org/microg/gms/checkin/CheckinPreferences.kt b/play-services-core/src/main/kotlin/org/microg/gms/checkin/CheckinPreferences.kt
index 0323466548..aee6447f07 100644
--- a/play-services-core/src/main/kotlin/org/microg/gms/checkin/CheckinPreferences.kt
+++ b/play-services-core/src/main/kotlin/org/microg/gms/checkin/CheckinPreferences.kt
@@ -8,6 +8,7 @@ import android.content.Context
 import android.content.Intent
 import org.microg.gms.settings.SettingsContract
 import org.microg.gms.settings.SettingsContract.CheckIn
+import org.microg.gms.settings.SettingsContract.setSettings
 
 object CheckinPreferences {
 
@@ -29,4 +30,22 @@ object CheckinPreferences {
         }
     }
 
+    @JvmStatic
+    fun isSpoofingEnabled(context: Context): Boolean? {
+        val projection = arrayOf(CheckIn.BRAND_SPOOF)
+        return CheckIn.getContentUri(context)?.let {
+            SettingsContract.getSettings(context, it, projection) { c ->
+                c.getInt(0) != 0
+            }
+        }
+    }
+
+    @JvmStatic
+    fun setSpoofingEnabled(context: Context, enabled: Boolean) {
+        CheckIn.getContentUri(context)?.let {
+            setSettings(context, it) {
+                put(CheckIn.BRAND_SPOOF, enabled)
+            }
+        }
+    }
 }
diff --git a/play-services-core/src/main/res/layout/login_assistant.xml b/play-services-core/src/main/res/layout/login_assistant.xml
index d59a1b1a57..f41b3736de 100644
--- a/play-services-core/src/main/res/layout/login_assistant.xml
+++ b/play-services-core/src/main/res/layout/login_assistant.xml
@@ -14,7 +14,7 @@
   ~ limitations under the License.
   -->
 
-<RelativeLayout
+<RelativeLayout xmlns:app="http://schemas.android.com/apk/res-auto"
     android:id="@+id/auth_root"
     xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="fill_parent"
@@ -66,13 +66,12 @@
             android:background="#e4e7e9">
 
             <Button
-                android:id="@+id/back_button"
-                style="?attr/buttonBarNegativeButtonStyle"
+                android:id="@+id/spoof_button"
+                style="?attr/buttonBarPositiveButtonStyle"
                 android:layout_width="wrap_content"
-                android:layout_height="48dip"
-                android:layout_alignParentLeft="true"
+                android:layout_height="wrap_content"
                 android:layout_alignParentStart="true"
-                android:layout_centerVertical="true"
+                android:layout_marginStart="0dp"
                 android:paddingLeft="38dp"
                 android:paddingRight="38dp"
                 android:textAllCaps="true"
@@ -83,15 +82,14 @@
                 android:id="@+id/next_button"
                 style="?attr/buttonBarPositiveButtonStyle"
                 android:layout_width="wrap_content"
-                android:layout_height="48dip"
+                android:layout_height="wrap_content"
                 android:layout_alignParentEnd="true"
-                android:layout_alignParentRight="true"
-                android:layout_centerVertical="true"
+                android:layout_marginEnd="0dp"
                 android:paddingLeft="38dp"
                 android:paddingRight="38dp"
                 android:textAllCaps="true"
                 android:textAppearance="@style/TextAppearance.AppCompat.Body1"
-                android:textSize="16sp"/>
+                android:textSize="16sp" />
         </RelativeLayout>
     </LinearLayout>
 
diff --git a/play-services-core/src/main/res/values/strings.xml b/play-services-core/src/main/res/values/strings.xml
index ff5d97efac..c4b968d547 100644
--- a/play-services-core/src/main/res/values/strings.xml
+++ b/play-services-core/src/main/res/values/strings.xml
@@ -136,6 +136,7 @@ This can take a couple of minutes."</string>
     <string name="pref_auth_trust_google_summary">When disabled, the user is asked before an app\'s authorization request is sent to Google. Some applications will fail to use the Google account if this is disabled.</string>
     <string name="pref_auth_visible_title">Allow apps to find accounts</string>
     <string name="pref_auth_visible_summary">When enabled, all applications on this device will be able to see email address of your Google Accounts without prior authorization.</string>
+    <string name="brand_spoof_button">Huawei</string>
     <string name="pref_auth_include_android_id_title">Authenticate with device registration</string>
     <string name="pref_auth_include_android_id_summary">When disabled, authentication requests won\'t be linked to the device registration, which may allow unauthorized devices to sign in, but may have unforeseen consequences.</string>
     <string name="pref_auth_strip_device_name_title">Strip device name for authentication</string>