diff --git a/res/values/strings.xml b/res/values/strings.xml
index c0a1d4cec..7a0f410bd 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -1368,7 +1368,6 @@
     <string name="prompt_passphrase_activity__tap_to_unlock">TAP TO UNLOCK</string>
     <string name="RegistrationLockDialog_reminder">Reminder:</string>
     <string name="recipient_preferences__about">About</string>
-    <!-- EOF -->
 
     <string name="WelcomeActivity_intro1_headline">Delta Chat</string>
     <string name="WelcomeActivity_intro1_message">The messenger with the <b>broadest audience</b> in the world. <b>Free</b> and <b>independent</b>.</string>
@@ -1406,11 +1405,16 @@
     <string name="RegistrationActivity_dialog_permission_text">Delta Chat needs access to your contacts and media in order to connect with friends and send files</string>
     <string name="RegistrationActivity_error_required_fields">Please enter a valid email address and a password</string>
 
+    <string name="import_backup_title">Import backup</string>
+    <string name="import_backup_ask">Backup found at \"%1$s\".\n\nDo you want to import and use all data and settings from it?</string>
+    <string name="import_backup_no_backup_found">No backups found.\n\nCopy the backup to \"%1$s\" and try again. Alternatively, press \"Start messaging\" to go with the normal setup process.</string>
+
     <!-- Generic and reusable strings -->
     <string name="email_address">Email address</string>
     <string name="password">Password</string>
     <string name="advanced">Advanced</string>
     <string name="icon">icon</string>
     <string name="loading">Loading …</string>
+    <string name="one_moment">One moment …</string>
 
 </resources>
diff --git a/src/org/thoughtcrime/securesms/RegistrationActivity.java b/src/org/thoughtcrime/securesms/RegistrationActivity.java
index ddb744233..277c475d7 100644
--- a/src/org/thoughtcrime/securesms/RegistrationActivity.java
+++ b/src/org/thoughtcrime/securesms/RegistrationActivity.java
@@ -2,6 +2,7 @@ package org.thoughtcrime.securesms;
 
 import android.Manifest;
 import android.annotation.SuppressLint;
+import android.app.AlertDialog;
 import android.app.ProgressDialog;
 import android.content.DialogInterface;
 import android.content.Intent;
@@ -22,6 +23,7 @@ import com.b44t.messenger.DcContext;
 import com.b44t.messenger.DcEventCenter;
 import com.dd.CircularProgressButton;
 
+import org.thoughtcrime.securesms.connect.ApplicationDcContext;
 import org.thoughtcrime.securesms.connect.DcHelper;
 import org.thoughtcrime.securesms.permissions.Permissions;
 import org.thoughtcrime.securesms.util.Dialogs;
@@ -222,6 +224,7 @@ public class RegistrationActivity extends BaseActionBarActivity implements DcEve
 
         // calling configure() results in
         // receiving multiple DC_EVENT_CONFIGURE_PROGRESS events
+        DcHelper.getContext(this).captureNextError();
         DcHelper.getContext(this).configure();
     }
 
@@ -240,14 +243,24 @@ public class RegistrationActivity extends BaseActionBarActivity implements DcEve
     @Override
     public void handleEvent(int eventId, Object data1, Object data2) {
         if (eventId==DcContext.DC_EVENT_CONFIGURE_PROGRESS) {
+            ApplicationDcContext dcContext = DcHelper.getContext(this);
             long progress = (Long)data1;
             if (progress==0/*error/aborted*/) {
+                dcContext.endCaptureNextError();
                 progressDialog.dismiss();
+                if (dcContext.hasCapturedError()) {
+                    new AlertDialog.Builder(this)
+                            .setMessage(dcContext.getCapturedError())
+                            .setPositiveButton(android.R.string.ok, null)
+                            .show();
+                }
             }
             else if (progress<1000/*progress in permille*/) {
-                progressDialog.setMessage("Loading ... " + progress);
+                int percent = (int)progress / 10;
+                progressDialog.setMessage(getResources().getString(R.string.one_moment)+String.format(" %d%%", percent));
             }
             else if (progress==1000/*done*/) {
+                dcContext.endCaptureNextError();
                 progressDialog.dismiss();
                 Intent conversationList = new Intent(getApplicationContext(), ConversationListActivity.class);
                 startActivity(conversationList);
diff --git a/src/org/thoughtcrime/securesms/WelcomeActivity.java b/src/org/thoughtcrime/securesms/WelcomeActivity.java
index 825d46c0c..ac36d1031 100644
--- a/src/org/thoughtcrime/securesms/WelcomeActivity.java
+++ b/src/org/thoughtcrime/securesms/WelcomeActivity.java
@@ -2,7 +2,10 @@ package org.thoughtcrime.securesms;
 
 import android.Manifest;
 import android.annotation.SuppressLint;
+import android.app.AlertDialog;
+import android.app.ProgressDialog;
 import android.content.Context;
+import android.content.DialogInterface;
 import android.content.Intent;
 import android.os.Bundle;
 import android.support.annotation.NonNull;
@@ -19,9 +22,12 @@ import android.widget.TextView;
 import com.b44t.messenger.DcContext;
 import com.b44t.messenger.DcEventCenter;
 
+import org.thoughtcrime.securesms.connect.ApplicationDcContext;
 import org.thoughtcrime.securesms.connect.DcHelper;
 import org.thoughtcrime.securesms.permissions.Permissions;
 
+import java.io.File;
+
 /**
  * The welcome activity.  Provides the user with useful information about the app.
  * It also allows the triggering of the backup import process.
@@ -85,7 +91,10 @@ public class WelcomeActivity extends BaseActionBarActivity implements DcEventCen
         setContentView(R.layout.welcome_activity);
 
         initializeResources();
-        DcHelper.getContext(this).eventCenter.addObserver(this, DcContext.DC_EVENT_CONFIGURE_PROGRESS);
+
+        ApplicationDcContext dcContext = DcHelper.getContext(this);
+        dcContext.eventCenter.addObserver(this, DcContext.DC_EVENT_CONFIGURE_PROGRESS);
+        dcContext.eventCenter.addObserver(this, DcContext.DC_EVENT_IMEX_PROGRESS);
     }
 
     @Override
@@ -108,8 +117,8 @@ public class WelcomeActivity extends BaseActionBarActivity implements DcEventCen
         View backupText = findViewById(R.id.backup_text);
         View backupImage = findViewById(R.id.backup_icon);
         skipButton.setOnClickListener((view) -> startRegistrationActivity());
-        backupText.setOnClickListener((view) -> initializePermissions());
-        backupImage.setOnClickListener((view) -> initializePermissions());
+        backupText.setOnClickListener((view) -> startImportBackup());
+        backupImage.setOnClickListener((view) -> startImportBackup());
     }
 
     private void startRegistrationActivity() {
@@ -119,20 +128,87 @@ public class WelcomeActivity extends BaseActionBarActivity implements DcEventCen
     }
 
     @SuppressLint("InlinedApi")
-    private void initializePermissions() {
+    private void startImportBackup() {
         Permissions.with(this)
                 .request(Manifest.permission.WRITE_EXTERNAL_STORAGE, Manifest.permission.READ_EXTERNAL_STORAGE)
                 .ifNecessary()
                 .withRationaleDialog("Delta Chat needs access to your files in order start the backup import",
                         R.drawable.ic_folder_white_48dp)
                 .onAllGranted(() -> {
-                    //JavaBindings.loadBackup(); TODO load backup value via bindings
+                    ApplicationDcContext dcContext = DcHelper.getContext(this);
+                    File imexDir = dcContext.getImexDir();
+                    final String backupFile = dcContext.imexHasBackup(imexDir.getAbsolutePath());
+                    if (backupFile != null) {
+                        new AlertDialog.Builder(this)
+                                .setTitle(R.string.import_backup_title)
+                                .setMessage(String.format(getResources().getString(R.string.import_backup_ask), backupFile))
+                                .setNegativeButton(android.R.string.cancel, null)
+                                .setPositiveButton(android.R.string.ok, (dialog, which) -> {
+                                        startImport(backupFile);
+                                })
+                                .show();
+                    }
+                    else {
+                        new AlertDialog.Builder(this)
+                                .setTitle(R.string.import_backup_title)
+                                .setMessage(String.format(getResources().getString(R.string.import_backup_no_backup_found), imexDir.getAbsolutePath()))
+                                .setPositiveButton(android.R.string.ok, null)
+                                .show();
+                    }
                 })
                 .execute();
     }
 
+    private ProgressDialog progressDialog = null;
+    private void startImport(final String backupFile)
+    {
+        ApplicationDcContext dcContext = DcHelper.getContext(this);
+
+        if( progressDialog!=null ) {
+            progressDialog.dismiss();
+            progressDialog = null;
+        }
+
+        progressDialog = new ProgressDialog(this);
+        progressDialog.setMessage(getResources().getString(R.string.one_moment));
+        progressDialog.setCanceledOnTouchOutside(false);
+        progressDialog.setCancelable(false);
+        progressDialog.setButton(DialogInterface.BUTTON_NEGATIVE, getResources().getString(android.R.string.cancel), (dialog, which) -> {
+            dcContext.stopOngoingProcess();
+        });
+        progressDialog.show();
+
+        dcContext.captureNextError();
+        dcContext.imex(DcContext.DC_IMEX_IMPORT_BACKUP, backupFile);
+    }
+
     public void handleEvent(int eventId, Object data1, Object data2) {
-        if (eventId== DcContext.DC_EVENT_CONFIGURE_PROGRESS) {
+        if (eventId== DcContext.DC_EVENT_IMEX_PROGRESS) {
+            ApplicationDcContext dcContext = DcHelper.getContext(this);
+            long progress = (Long)data1;
+            if (progress==0/*error/aborted*/) {
+                dcContext.endCaptureNextError();
+                progressDialog.dismiss();
+                if (dcContext.hasCapturedError()) {
+                    new AlertDialog.Builder(this)
+                            .setMessage(dcContext.getCapturedError())
+                            .setPositiveButton(android.R.string.ok, null)
+                            .show();
+                }
+            }
+            else if (progress<1000/*progress in permille*/) {
+                int percent = (int)progress / 10;
+                progressDialog.setMessage(getResources().getString(R.string.one_moment)+String.format(" %d%%", percent));
+            }
+            else if (progress==1000/*done*/) {
+                dcContext.endCaptureNextError();
+                progressDialog.dismiss();
+                Intent conversationList = new Intent(getApplicationContext(), ConversationListActivity.class);
+                startActivity(conversationList);
+                finish();
+            }
+        }
+        else if (eventId== DcContext.DC_EVENT_CONFIGURE_PROGRESS) {
             long progress = (Long)data1;
             if (progress==1000/*done*/) {
                 finish(); // remove ourself from the activity stack (finishAffinity is available in API 16, we're targeting API 14)
diff --git a/src/org/thoughtcrime/securesms/connect/ApplicationDcContext.java b/src/org/thoughtcrime/securesms/connect/ApplicationDcContext.java
index afae790b3..60f951a06 100644
--- a/src/org/thoughtcrime/securesms/connect/ApplicationDcContext.java
+++ b/src/org/thoughtcrime/securesms/connect/ApplicationDcContext.java
@@ -17,6 +17,7 @@
 package org.thoughtcrime.securesms.connect;
 
 import android.content.Context;
+import android.os.Environment;
 import android.os.PowerManager;
 import android.util.Log;
 import android.widget.Toast;
@@ -67,6 +68,15 @@ public class ApplicationDcContext extends DcContext {
         startThreads();
     }
 
+    public File getImexDir()
+    {
+        // DIRECTORY_DOCUMENTS is only available since KitKat;
+        // as we also support Ice Cream Sandwich and Jellybean (2017: 11% in total), this is no option.
+        // Moreover, DIRECTORY_DOWNLOADS seems to be easier accessible by the user,
+        // eg. "Download Managers" are nearly always installed.
+        // CAVE: do not use DownloadManager to add the file as it is deleted on uninstall then ...
+        return Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS);
+    }
 
     /***********************************************************************************************
      * Working Threads
@@ -182,10 +192,34 @@ public class ApplicationDcContext extends DcContext {
 
     public DcEventCenter eventCenter = new DcEventCenter();
 
-    public final Object lastErrorLock = new Object();
-    public int lastErrorCode = 0;
-    public String lastErrorString = "";
-    public boolean showNextErrorAsToast = true;
+    private final Object lastErrorLock = new Object();
+    private String lastErrorString = "";
+    private boolean showNextErrorAsToast = true;
+
+    public void captureNextError() {
+        synchronized (lastErrorLock) {
+            showNextErrorAsToast = false;
+            lastErrorString = "";
+        }
+    }
+
+    public boolean hasCapturedError() {
+        synchronized (lastErrorLock) {
+            return !lastErrorString.isEmpty();
+        }
+    }
+
+    public String getCapturedError() {
+        synchronized (lastErrorLock) {
+            return lastErrorString;
+        }
+    }
+
+    public void endCaptureNextError() {
+        synchronized (lastErrorLock) {
+            showNextErrorAsToast = true;
+        }
+    }
 
     @Override public long handleEvent(final int event, long data1, long data2) {
         switch(event) {
@@ -200,7 +234,6 @@ public class ApplicationDcContext extends DcContext {
             case DC_EVENT_ERROR:
                 Log.e("DeltaChat", dataToString(data2));
                 synchronized (lastErrorLock) {
-                    lastErrorCode = (int)data1;
                     lastErrorString = dataToString(data2);
                 }
                 Util.runOnMain(new Runnable() {