diff --git a/app/src/androidTestScreenshots/java/openfoodfacts/github/scrachx/openfood/AbstractScreenshotTest.java b/app/src/androidTestScreenshots/java/openfoodfacts/github/scrachx/openfood/AbstractScreenshotTest.java
index 483231b24f23..1c0f08334852 100644
--- a/app/src/androidTestScreenshots/java/openfoodfacts/github/scrachx/openfood/AbstractScreenshotTest.java
+++ b/app/src/androidTestScreenshots/java/openfoodfacts/github/scrachx/openfood/AbstractScreenshotTest.java
@@ -3,28 +3,29 @@
 import android.Manifest;
 import android.content.Context;
 import android.content.Intent;
-import android.content.SharedPreferences;
-import androidx.test.rule.GrantPermissionRule;
 import android.util.Log;
-import openfoodfacts.github.scrachx.openfood.fragments.PreferencesFragment;
-import openfoodfacts.github.scrachx.openfood.test.ScreenshotActivityTestRule;
-import openfoodfacts.github.scrachx.openfood.test.ScreenshotParameter;
-import openfoodfacts.github.scrachx.openfood.test.ScreenshotsLocaleProvider;
-import openfoodfacts.github.scrachx.openfood.utils.LocaleHelper;
-import openfoodfacts.github.scrachx.openfood.views.OFFApplication;
+
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+import androidx.test.rule.GrantPermissionRule;
+
 import org.junit.AfterClass;
 import org.junit.BeforeClass;
 import org.junit.Rule;
 import org.junit.runner.RunWith;
-import org.junit.runners.JUnit4;
 
 import java.util.Collection;
 import java.util.Locale;
 
+import openfoodfacts.github.scrachx.openfood.test.ScreenshotActivityTestRule;
+import openfoodfacts.github.scrachx.openfood.test.ScreenshotParameter;
+import openfoodfacts.github.scrachx.openfood.test.ScreenshotsLocaleProvider;
+import openfoodfacts.github.scrachx.openfood.utils.LocaleHelper;
+import openfoodfacts.github.scrachx.openfood.views.OFFApplication;
+
 /**
  * Take screenshots...
  */
-@RunWith(JUnit4.class)
+@RunWith(AndroidJUnit4.class)
 public abstract class AbstractScreenshotTest {
     public static final String ACTION_NAME = "actionName";
     private static final String LOG_TAG = AbstractScreenshotTest.class.getSimpleName();
diff --git a/app/src/androidTestScreenshots/java/openfoodfacts/github/scrachx/openfood/TakeScreenshotIncompleteProductsTest.java b/app/src/androidTestScreenshots/java/openfoodfacts/github/scrachx/openfood/TakeScreenshotIncompleteProductsTest.java
index 47ac69889c15..208814f82c35 100644
--- a/app/src/androidTestScreenshots/java/openfoodfacts/github/scrachx/openfood/TakeScreenshotIncompleteProductsTest.java
+++ b/app/src/androidTestScreenshots/java/openfoodfacts/github/scrachx/openfood/TakeScreenshotIncompleteProductsTest.java
@@ -1,14 +1,17 @@
 package openfoodfacts.github.scrachx.openfood;
 
 import android.content.Intent;
-import androidx.test.runner.AndroidJUnit4;
+
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
 import openfoodfacts.github.scrachx.openfood.test.ScreenshotActivityTestRule;
 import openfoodfacts.github.scrachx.openfood.utils.SearchInfo;
 import openfoodfacts.github.scrachx.openfood.views.OFFApplication;
 import openfoodfacts.github.scrachx.openfood.views.ProductBrowsingListActivity;
-import org.junit.Rule;
-import org.junit.Test;
-import org.junit.runner.RunWith;
 
 /**
  * Take screenshots...
diff --git a/app/src/androidTestScreenshots/java/openfoodfacts/github/scrachx/openfood/TakeScreenshotMainActivityTest.java b/app/src/androidTestScreenshots/java/openfoodfacts/github/scrachx/openfood/TakeScreenshotMainActivityTest.java
index c7ec3811988e..e865fe5ee740 100644
--- a/app/src/androidTestScreenshots/java/openfoodfacts/github/scrachx/openfood/TakeScreenshotMainActivityTest.java
+++ b/app/src/androidTestScreenshots/java/openfoodfacts/github/scrachx/openfood/TakeScreenshotMainActivityTest.java
@@ -1,13 +1,15 @@
 package openfoodfacts.github.scrachx.openfood;
 
-import androidx.test.runner.AndroidJUnit4;
-import openfoodfacts.github.scrachx.openfood.test.ScreenshotActivityTestRule;
-import openfoodfacts.github.scrachx.openfood.views.MainActivity;
-import openfoodfacts.github.scrachx.openfood.views.WelcomeActivity;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
+import openfoodfacts.github.scrachx.openfood.test.ScreenshotActivityTestRule;
+import openfoodfacts.github.scrachx.openfood.views.MainActivity;
+import openfoodfacts.github.scrachx.openfood.views.WelcomeActivity;
+
 /**
  * Take screenshots...
  */
diff --git a/app/src/androidTestScreenshots/java/openfoodfacts/github/scrachx/openfood/TakeScreenshotScanActivityTest.java b/app/src/androidTestScreenshots/java/openfoodfacts/github/scrachx/openfood/TakeScreenshotScanActivityTest.java
index 615b94a8c06b..3601453e2a0a 100644
--- a/app/src/androidTestScreenshots/java/openfoodfacts/github/scrachx/openfood/TakeScreenshotScanActivityTest.java
+++ b/app/src/androidTestScreenshots/java/openfoodfacts/github/scrachx/openfood/TakeScreenshotScanActivityTest.java
@@ -1,12 +1,14 @@
 package openfoodfacts.github.scrachx.openfood;
 
-import androidx.test.runner.AndroidJUnit4;
-import openfoodfacts.github.scrachx.openfood.test.ScreenshotActivityTestRule;
-import openfoodfacts.github.scrachx.openfood.views.ContinuousScanActivity;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
+import openfoodfacts.github.scrachx.openfood.test.ScreenshotActivityTestRule;
+import openfoodfacts.github.scrachx.openfood.views.ContinuousScanActivity;
+
 /**
  * Take screenshots...
  */
diff --git a/app/src/androidTestScreenshots/java/openfoodfacts/github/scrachx/openfood/TakeScreenshotShowProductsTest.java b/app/src/androidTestScreenshots/java/openfoodfacts/github/scrachx/openfood/TakeScreenshotShowProductsTest.java
index 8cd51d74a0c5..4a0caa6141e3 100644
--- a/app/src/androidTestScreenshots/java/openfoodfacts/github/scrachx/openfood/TakeScreenshotShowProductsTest.java
+++ b/app/src/androidTestScreenshots/java/openfoodfacts/github/scrachx/openfood/TakeScreenshotShowProductsTest.java
@@ -1,7 +1,16 @@
 package openfoodfacts.github.scrachx.openfood;
 
 import android.content.Intent;
-import androidx.test.runner.AndroidJUnit4;
+
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import java.util.ArrayList;
+import java.util.List;
+
 import openfoodfacts.github.scrachx.openfood.models.Product;
 import openfoodfacts.github.scrachx.openfood.models.State;
 import openfoodfacts.github.scrachx.openfood.test.ScreenshotActivityTestRule;
@@ -9,12 +18,6 @@
 import openfoodfacts.github.scrachx.openfood.views.HistoryScanActivity;
 import openfoodfacts.github.scrachx.openfood.views.OFFApplication;
 import openfoodfacts.github.scrachx.openfood.views.product.ProductActivity;
-import org.junit.Rule;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-
-import java.util.ArrayList;
-import java.util.List;
 
 /**
  * Take screenshots...
diff --git a/app/src/main/java/openfoodfacts/github/scrachx/openfood/utils/Utils.java b/app/src/main/java/openfoodfacts/github/scrachx/openfood/utils/Utils.java
index 298e177125fd..1b3f10487a83 100644
--- a/app/src/main/java/openfoodfacts/github/scrachx/openfood/utils/Utils.java
+++ b/app/src/main/java/openfoodfacts/github/scrachx/openfood/utils/Utils.java
@@ -62,15 +62,13 @@
 import java.io.IOException;
 import java.io.OutputStream;
 import java.util.ArrayList;
-import java.util.Collections;
+import java.util.Arrays;
 import java.util.List;
 import java.util.Locale;
 import java.util.concurrent.TimeUnit;
 
-import okhttp3.CipherSuite;
 import okhttp3.ConnectionSpec;
 import okhttp3.OkHttpClient;
-import okhttp3.TlsVersion;
 import okhttp3.logging.HttpLoggingInterceptor;
 import openfoodfacts.github.scrachx.openfood.BuildConfig;
 import openfoodfacts.github.scrachx.openfood.R;
@@ -455,16 +453,8 @@ public static OkHttpClient httpClientBuilder() {
         OkHttpClient.Builder builder = new OkHttpClient.Builder()
             .connectTimeout(5000, TimeUnit.MILLISECONDS)
             .readTimeout(30000, TimeUnit.MILLISECONDS)
-            .writeTimeout(30000, TimeUnit.MILLISECONDS);
-
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
-            ConnectionSpec spec = new ConnectionSpec.Builder(ConnectionSpec.MODERN_TLS)
-                .tlsVersions(TlsVersion.TLS_1_2)
-                .cipherSuites(CipherSuite.TLS_DHE_RSA_WITH_AES_128_GCM_SHA256)
-                .build();
-
-            builder.connectionSpecs(Collections.singletonList(spec));
-        }
+            .writeTimeout(30000, TimeUnit.MILLISECONDS)
+            .connectionSpecs(Arrays.asList(ConnectionSpec.MODERN_TLS, ConnectionSpec.COMPATIBLE_TLS));
 
         if (BuildConfig.DEBUG) {
             builder.addInterceptor(new HttpLoggingInterceptor().setLevel(HttpLoggingInterceptor.Level.BODY));
@@ -491,10 +481,7 @@ public static boolean isAirplaneModeActive(Context context) {
         }
     }
 
-    public static boolean isUserLoggedIn(Context context) {
-        if (context == null) {
-            return false;
-        }
+    public static boolean isUserLoggedIn(@NonNull Context context) {
         final SharedPreferences settings = context.getSharedPreferences("login", 0);
         final String login = settings.getString("user", "");
         return StringUtils.isNotEmpty(login);