diff --git a/app/src/main/java/org/linphone/contacts/ContactEditorFragment.java b/app/src/main/java/org/linphone/contacts/ContactEditorFragment.java
index 9d7c34b7f..9c49daab9 100644
--- a/app/src/main/java/org/linphone/contacts/ContactEditorFragment.java
+++ b/app/src/main/java/org/linphone/contacts/ContactEditorFragment.java
@@ -136,12 +136,15 @@ public class ContactEditorFragment extends Fragment {
                         if (mIsNewContact) {
                             boolean areAllFielsEmpty = true;
                             for (LinphoneNumberOrAddress nounoa : mNumbersAndAddresses) {
-                                if (nounoa.getValue() != null && !nounoa.getValue().equals("")) {
+                                String value = nounoa.getValue();
+                                if (value != null && !value.trim().isEmpty()) {
                                     areAllFielsEmpty = false;
                                     break;
                                 }
                             }
                             if (areAllFielsEmpty) {
+                                Log.i(
+                                        "[Contact Editor] All SIP and phone fields are empty, aborting");
                                 getFragmentManager().popBackStackImmediate();
                                 return;
                             }
@@ -158,27 +161,24 @@ public class ContactEditorFragment extends Fragment {
                         }
 
                         for (LinphoneNumberOrAddress noa : mNumbersAndAddresses) {
-                            if (noa.getValue() == null || noa.getValue().isEmpty()) {
-                                if (noa.getOldValue() != null && !noa.getOldValue().isEmpty()) {
-                                    Log.i("[Contact Editor] Removing number " + noa.getOldValue());
+                            String value = noa.getValue();
+                            String oldValue = noa.getOldValue();
+
+                            if (value == null || value.trim().isEmpty()) {
+                                if (oldValue != null && !oldValue.isEmpty()) {
+                                    Log.i("[Contact Editor] Removing number " + oldValue);
                                     mContact.removeNumberOrAddress(noa);
                                 }
                             } else {
-                                if (noa.getOldValue() != null
-                                        && noa.getOldValue().equals(noa.getValue())) {
-                                    Log.i(
-                                            "[Contact Editor] Keeping existing number "
-                                                    + noa.getValue());
+                                if (oldValue != null && oldValue.equals(value)) {
+                                    Log.i("[Contact Editor] Keeping existing number " + value);
                                     continue;
                                 }
 
                                 if (noa.isSIPAddress()) {
-
-                                    noa.setValue(
-                                            LinphoneUtils.getFullAddressFromUsername(
-                                                    noa.getValue()));
+                                    noa.setValue(LinphoneUtils.getFullAddressFromUsername(value));
                                 }
-                                Log.i("[Contact Editor] Adding new number " + noa.getValue());
+                                Log.i("[Contact Editor] Adding new number " + value);
 
                                 mContact.addOrUpdateNumberOrAddress(noa);
                             }
diff --git a/app/src/main/java/org/linphone/contacts/LinphoneContact.java b/app/src/main/java/org/linphone/contacts/LinphoneContact.java
index b1e91479c..d9dee45fe 100644
--- a/app/src/main/java/org/linphone/contacts/LinphoneContact.java
+++ b/app/src/main/java/org/linphone/contacts/LinphoneContact.java
@@ -559,7 +559,8 @@ public class LinphoneContact extends AndroidContact
         String data3 = c.getString(c.getColumnIndex("data3"));
         String data4 = c.getString(c.getColumnIndex("data4"));
 
-        if (getFullName() == null) {
+        String fullName = getFullName();
+        if (fullName == null || !fullName.equals(displayName)) {
             Log.d("[Linphone Contact] Setting display name " + displayName);
             setFullName(displayName);
         }
diff --git a/app/src/main/java/org/linphone/dialer/DialerActivity.java b/app/src/main/java/org/linphone/dialer/DialerActivity.java
index 56e0999bd..6e1e3a534 100644
--- a/app/src/main/java/org/linphone/dialer/DialerActivity.java
+++ b/app/src/main/java/org/linphone/dialer/DialerActivity.java
@@ -221,14 +221,15 @@ public class DialerActivity extends MainActivity implements AddressText.AddressC
     private void enableVideoPreviewIfTablet(boolean enable) {
         Core core = LinphoneManager.getCore();
         TextureView preview = findViewById(R.id.video_preview);
-        if (preview != null && core != null) {
+        ImageView changeCamera = findViewById(R.id.video_preview_change_camera);
+
+        if (preview != null && changeCamera != null && core != null) {
             if (enable && isTablet() && LinphonePreferences.instance().isVideoPreviewEnabled()) {
                 preview.setVisibility(View.VISIBLE);
                 core.setNativePreviewWindowId(preview);
                 core.enableVideoPreview(true);
 
-                ImageView changeCamera = findViewById(R.id.video_preview_change_camera);
-                if (changeCamera != null && core.getVideoDevicesList().length > 1) {
+                if (core.getVideoDevicesList().length > 1) {
                     changeCamera.setVisibility(View.VISIBLE);
                     changeCamera.setOnClickListener(
                             new View.OnClickListener() {
@@ -240,6 +241,7 @@ public class DialerActivity extends MainActivity implements AddressText.AddressC
                 }
             } else {
                 preview.setVisibility(View.GONE);
+                changeCamera.setVisibility(View.GONE);
                 core.setNativePreviewWindowId(null);
                 core.enableVideoPreview(false);
             }