diff --git a/app/build.gradle b/app/build.gradle
index 1a1ce861..0584b78c 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -45,7 +45,7 @@ ext {
 }
 
 dependencies {
-    implementation 'com.simplemobiletools:commons:3.11.5'
+    implementation 'com.simplemobiletools:commons:3.12.15'
     implementation 'joda-time:joda-time:2.9.9'
     implementation 'com.facebook.stetho:stetho:1.5.0'
     implementation 'com.google.code.gson:gson:2.8.2'
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 99f7f95d..c3692df2 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -172,6 +172,11 @@
             android:label="@string/customize_colors"
             android:parentActivityName=".activities.SettingsActivity"/>
 
+        <activity
+            android:name="com.simplemobiletools.commons.activities.FAQActivity"
+            android:label="@string/frequently_asked_questions"
+            android:parentActivityName="com.simplemobiletools.commons.activities.AboutActivity"/>
+
         <provider
             android:name="android.support.v4.content.FileProvider"
             android:authorities="${applicationId}.provider"
diff --git a/app/src/main/kotlin/com/simplemobiletools/contacts/activities/MainActivity.kt b/app/src/main/kotlin/com/simplemobiletools/contacts/activities/MainActivity.kt
index 72e3dea9..c20fb24b 100644
--- a/app/src/main/kotlin/com/simplemobiletools/contacts/activities/MainActivity.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/contacts/activities/MainActivity.kt
@@ -14,6 +14,7 @@ import android.view.MenuItem
 import com.simplemobiletools.commons.dialogs.FilePickerDialog
 import com.simplemobiletools.commons.extensions.*
 import com.simplemobiletools.commons.helpers.*
+import com.simplemobiletools.commons.models.FAQItem
 import com.simplemobiletools.commons.models.Release
 import com.simplemobiletools.contacts.BuildConfig
 import com.simplemobiletools.contacts.R
@@ -374,8 +375,9 @@ class MainActivity : SimpleActivity(), RefreshContactsListener {
     }
 
     private fun launchAbout() {
+        val faqItems = arrayListOf(FAQItem(R.string.faq_2_title_commons, R.string.faq_2_text_commons))
         startAboutActivity(R.string.app_name, LICENSE_KOTLIN or LICENSE_MULTISELECT or LICENSE_JODA or LICENSE_GLIDE or LICENSE_GSON or LICENSE_STETHO,
-                BuildConfig.VERSION_NAME)
+                BuildConfig.VERSION_NAME, faqItems)
     }
 
     override fun refreshContacts() {
diff --git a/app/src/main/kotlin/com/simplemobiletools/contacts/extensions/Activity.kt b/app/src/main/kotlin/com/simplemobiletools/contacts/extensions/Activity.kt
index e47be45f..3aa0661c 100644
--- a/app/src/main/kotlin/com/simplemobiletools/contacts/extensions/Activity.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/contacts/extensions/Activity.kt
@@ -4,8 +4,7 @@ import android.content.Intent
 import android.net.Uri
 import com.simplemobiletools.commons.activities.BaseSimpleActivity
 import com.simplemobiletools.commons.dialogs.RadioGroupDialog
-import com.simplemobiletools.commons.extensions.getFilePublicUri
-import com.simplemobiletools.commons.extensions.shareUri
+import com.simplemobiletools.commons.extensions.sharePathIntent
 import com.simplemobiletools.commons.extensions.toast
 import com.simplemobiletools.commons.helpers.PERMISSION_CALL_PHONE
 import com.simplemobiletools.commons.models.RadioItem
@@ -93,8 +92,7 @@ fun BaseSimpleActivity.shareContacts(contacts: ArrayList<Contact>) {
 
     VcfExporter().exportContacts(this, file, contacts) {
         if (it == VcfExporter.ExportResult.EXPORT_OK) {
-            val uri = getFilePublicUri(file, BuildConfig.APPLICATION_ID)
-            shareUri(uri, BuildConfig.APPLICATION_ID)
+            sharePathIntent(file.absolutePath, BuildConfig.APPLICATION_ID)
         }
     }
 }
diff --git a/app/src/main/kotlin/com/simplemobiletools/contacts/helpers/Config.kt b/app/src/main/kotlin/com/simplemobiletools/contacts/helpers/Config.kt
index d34fbc68..f6613b07 100644
--- a/app/src/main/kotlin/com/simplemobiletools/contacts/helpers/Config.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/contacts/helpers/Config.kt
@@ -2,18 +2,12 @@ package com.simplemobiletools.contacts.helpers
 
 import android.content.Context
 import com.simplemobiletools.commons.helpers.BaseConfig
-import com.simplemobiletools.commons.helpers.SORTING
-import com.simplemobiletools.commons.helpers.SORT_BY_FIRST_NAME
 
 class Config(context: Context) : BaseConfig(context) {
     companion object {
         fun newInstance(context: Context) = Config(context)
     }
 
-    var sorting: Int
-        get() = prefs.getInt(SORTING, SORT_BY_FIRST_NAME)
-        set(sorting) = prefs.edit().putInt(SORTING, sorting).apply()
-
     var displayContactSources: Set<String>
         get() = prefs.getStringSet(DISPLAY_CONTACT_SOURCES, hashSetOf("-1"))
         set(displayContactSources) = prefs.edit().remove(DISPLAY_CONTACT_SOURCES).putStringSet(DISPLAY_CONTACT_SOURCES, displayContactSources).apply()
diff --git a/app/src/main/kotlin/com/simplemobiletools/contacts/helpers/VcfExporter.kt b/app/src/main/kotlin/com/simplemobiletools/contacts/helpers/VcfExporter.kt
index a7c4994b..793a8ccc 100644
--- a/app/src/main/kotlin/com/simplemobiletools/contacts/helpers/VcfExporter.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/contacts/helpers/VcfExporter.kt
@@ -8,6 +8,7 @@ import android.util.Base64
 import com.simplemobiletools.commons.activities.BaseSimpleActivity
 import com.simplemobiletools.commons.extensions.getFileOutputStream
 import com.simplemobiletools.commons.extensions.showErrorToast
+import com.simplemobiletools.commons.extensions.toFileDirItem
 import com.simplemobiletools.commons.extensions.writeLn
 import com.simplemobiletools.contacts.helpers.VcfExporter.ExportResult.*
 import com.simplemobiletools.contacts.models.Contact
@@ -27,7 +28,7 @@ class VcfExporter {
 
     fun exportContacts(activity: BaseSimpleActivity, file: File, contacts: ArrayList<Contact>, callback: (result: ExportResult) -> Unit) {
         try {
-            activity.getFileOutputStream(file) {
+            activity.getFileOutputStream(file.toFileDirItem(activity)) {
                 if (it == null) {
                     callback(EXPORT_FAIL)
                     return@getFileOutputStream
diff --git a/app/src/main/res/values/integers.xml b/app/src/main/res/values/integers.xml
new file mode 100644
index 00000000..11ccda4a
--- /dev/null
+++ b/app/src/main/res/values/integers.xml
@@ -0,0 +1,3 @@
+<resources>
+    <integer name="default_sorting">128</integer>
+</resources>