diff --git a/CHANGES.md b/CHANGES.md
index 543af54bf2..bb37c0de64 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -5,10 +5,11 @@ Features ✨:
  -
 
 Improvements 🙌:
- -
+ - Add "show password" in import Megolm keys dialog
 
 Bugfix 🐛:
  - User Verification in DM not working
+ - Manual import of Megolm keys does back up the imported keys
 
 Translations 🗣:
  -
@@ -20,7 +21,7 @@ Build 🧱:
  -
 
 Other changes:
- -
+ - Add an advanced action to reset an account data entry
 
 Changes in Element 1.0.7 (2020-09-17)
 ===================================================
diff --git a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/DefaultCryptoService.kt b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/DefaultCryptoService.kt
index f8fb5a35d0..2725afdc21 100755
--- a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/DefaultCryptoService.kt
+++ b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/DefaultCryptoService.kt
@@ -27,6 +27,12 @@ import androidx.lifecycle.LiveData
 import com.squareup.moshi.Types
 import com.zhuinden.monarchy.Monarchy
 import dagger.Lazy
+import kotlinx.coroutines.CancellationException
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.cancelChildren
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.runBlocking
+import kotlinx.coroutines.withContext
 import org.matrix.android.sdk.api.MatrixCallback
 import org.matrix.android.sdk.api.NoOpMatrixCallback
 import org.matrix.android.sdk.api.crypto.MXCryptoConfig
@@ -102,12 +108,6 @@ import org.matrix.android.sdk.internal.task.launchToCallback
 import org.matrix.android.sdk.internal.util.JsonCanonicalizer
 import org.matrix.android.sdk.internal.util.MatrixCoroutineDispatchers
 import org.matrix.android.sdk.internal.util.fetchCopied
-import kotlinx.coroutines.CancellationException
-import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.cancelChildren
-import kotlinx.coroutines.launch
-import kotlinx.coroutines.runBlocking
-import kotlinx.coroutines.withContext
 import org.matrix.olm.OlmManager
 import timber.log.Timber
 import java.util.concurrent.atomic.AtomicBoolean
@@ -1072,7 +1072,11 @@ internal class DefaultCryptoService @Inject constructor(
                         throw Exception("Error")
                     }
 
-                    megolmSessionDataImporter.handle(importedSessions, true, progressListener)
+                    megolmSessionDataImporter.handle(
+                            megolmSessionsData = importedSessions,
+                            fromBackup = false,
+                            progressListener = progressListener
+                    )
                 }
             }.foldToCallback(callback)
         }
diff --git a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/actions/MegolmSessionDataImporter.kt b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/actions/MegolmSessionDataImporter.kt
index d9da459d7d..997a0d7658 100644
--- a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/actions/MegolmSessionDataImporter.kt
+++ b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/actions/MegolmSessionDataImporter.kt
@@ -39,7 +39,7 @@ internal class MegolmSessionDataImporter @Inject constructor(private val olmDevi
      * Must be call on the crypto coroutine thread
      *
      * @param megolmSessionsData megolm sessions.
-     * @param backUpKeys         true to back up them to the homeserver.
+     * @param fromBackup         true if the imported keys are already backed up on the server.
      * @param progressListener   the progress listener
      * @return import room keys result
      */
diff --git a/vector/src/main/java/im/vector/app/core/ui/list/GenericItemWithValue.kt b/vector/src/main/java/im/vector/app/core/ui/list/GenericItemWithValue.kt
index f9d32a9f1e..0e719a1cd2 100644
--- a/vector/src/main/java/im/vector/app/core/ui/list/GenericItemWithValue.kt
+++ b/vector/src/main/java/im/vector/app/core/ui/list/GenericItemWithValue.kt
@@ -56,6 +56,9 @@ abstract class GenericItemWithValue : VectorEpoxyModel<GenericItemWithValue.Hold
     @EpoxyAttribute
     var itemClickAction: View.OnClickListener? = null
 
+    @EpoxyAttribute
+    var itemLongClickAction: View.OnLongClickListener? = null
+
     override fun bind(holder: Holder) {
         super.bind(holder)
         holder.titleText.setTextOrHide(title)
@@ -76,6 +79,7 @@ abstract class GenericItemWithValue : VectorEpoxyModel<GenericItemWithValue.Hold
         }
 
         holder.view.setOnClickListener(itemClickAction?.let { DebouncedClickListener(it) })
+        holder.view.setOnLongClickListener(itemLongClickAction)
     }
 
     class Holder : VectorEpoxyHolder() {
diff --git a/vector/src/main/java/im/vector/app/features/settings/VectorSettingsSecurityPrivacyFragment.kt b/vector/src/main/java/im/vector/app/features/settings/VectorSettingsSecurityPrivacyFragment.kt
index 034fa617f0..ff824733ae 100644
--- a/vector/src/main/java/im/vector/app/features/settings/VectorSettingsSecurityPrivacyFragment.kt
+++ b/vector/src/main/java/im/vector/app/features/settings/VectorSettingsSecurityPrivacyFragment.kt
@@ -24,6 +24,7 @@ import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.ViewGroup
 import android.widget.Button
+import android.widget.ImageView
 import android.widget.TextView
 import androidx.appcompat.app.AlertDialog
 import androidx.core.content.ContextCompat
@@ -38,6 +39,7 @@ import im.vector.app.R
 import im.vector.app.core.di.ActiveSessionHolder
 import im.vector.app.core.dialogs.ExportKeysDialog
 import im.vector.app.core.extensions.queryExportKeys
+import im.vector.app.core.extensions.showPassword
 import im.vector.app.core.intent.ExternalIntentData
 import im.vector.app.core.intent.analyseIntent
 import im.vector.app.core.intent.getFilenameFromUri
@@ -458,6 +460,15 @@ class VectorSettingsSecurityPrivacyFragment @Inject constructor(
             val passPhraseEditText = dialogLayout.findViewById<TextInputEditText>(R.id.dialog_e2e_keys_passphrase_edit_text)
             val importButton = dialogLayout.findViewById<Button>(R.id.dialog_e2e_keys_import_button)
 
+            val showPassword = dialogLayout.findViewById<ImageView>(R.id.importDialogShowPassword)
+            var passwordVisible = false
+
+            showPassword.setOnClickListener {
+                passwordVisible = !passwordVisible
+                passPhraseEditText.showPassword(passwordVisible)
+                showPassword.setImageResource(if (passwordVisible) R.drawable.ic_eye_closed else R.drawable.ic_eye)
+            }
+
             passPhraseEditText.addTextChangedListener(object : SimpleTextWatcher() {
                 override fun onTextChanged(s: CharSequence, start: Int, before: Int, count: Int) {
                     importButton.isEnabled = !passPhraseEditText.text.isNullOrEmpty()
diff --git a/vector/src/main/java/im/vector/app/features/settings/devtools/AccountDataAction.kt b/vector/src/main/java/im/vector/app/features/settings/devtools/AccountDataAction.kt
new file mode 100644
index 0000000000..bb38d31ee2
--- /dev/null
+++ b/vector/src/main/java/im/vector/app/features/settings/devtools/AccountDataAction.kt
@@ -0,0 +1,23 @@
+/*
+ * Copyright (c) 2020 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package im.vector.app.features.settings.devtools
+
+import im.vector.app.core.platform.VectorViewModelAction
+
+sealed class AccountDataAction : VectorViewModelAction {
+    data class DeleteAccountData(val type: String) : AccountDataAction()
+}
diff --git a/vector/src/main/java/im/vector/app/features/settings/devtools/AccountDataEpoxyController.kt b/vector/src/main/java/im/vector/app/features/settings/devtools/AccountDataEpoxyController.kt
index 673c38932a..f06e23a366 100644
--- a/vector/src/main/java/im/vector/app/features/settings/devtools/AccountDataEpoxyController.kt
+++ b/vector/src/main/java/im/vector/app/features/settings/devtools/AccountDataEpoxyController.kt
@@ -21,13 +21,13 @@ import com.airbnb.epoxy.TypedEpoxyController
 import com.airbnb.mvrx.Fail
 import com.airbnb.mvrx.Loading
 import com.airbnb.mvrx.Success
-import org.matrix.android.sdk.api.session.accountdata.UserAccountDataEvent
 import im.vector.app.R
 import im.vector.app.core.epoxy.loadingItem
 import im.vector.app.core.resources.StringProvider
 import im.vector.app.core.ui.list.genericFooterItem
 import im.vector.app.core.ui.list.genericItemWithValue
 import im.vector.app.core.utils.DebouncedClickListener
+import org.matrix.android.sdk.api.session.accountdata.UserAccountDataEvent
 import javax.inject.Inject
 
 class AccountDataEpoxyController @Inject constructor(
@@ -36,6 +36,7 @@ class AccountDataEpoxyController @Inject constructor(
 
     interface InteractionListener {
         fun didTap(data: UserAccountDataEvent)
+        fun didLongTap(data: UserAccountDataEvent)
     }
 
     var interactionListener: InteractionListener? = null
@@ -70,6 +71,10 @@ class AccountDataEpoxyController @Inject constructor(
                             itemClickAction(DebouncedClickListener(View.OnClickListener {
                                 interactionListener?.didTap(accountData)
                             }))
+                            itemLongClickAction(View.OnLongClickListener {
+                                interactionListener?.didLongTap(accountData)
+                                true
+                            })
                         }
                     }
                 }
diff --git a/vector/src/main/java/im/vector/app/features/settings/devtools/AccountDataFragment.kt b/vector/src/main/java/im/vector/app/features/settings/devtools/AccountDataFragment.kt
index 855c1d668f..07508f41a2 100644
--- a/vector/src/main/java/im/vector/app/features/settings/devtools/AccountDataFragment.kt
+++ b/vector/src/main/java/im/vector/app/features/settings/devtools/AccountDataFragment.kt
@@ -16,13 +16,14 @@
 
 package im.vector.app.features.settings.devtools
 
+import android.content.DialogInterface
 import android.os.Bundle
 import android.view.View
+import androidx.appcompat.app.AlertDialog
 import com.airbnb.mvrx.fragmentViewModel
 import com.airbnb.mvrx.withState
-import org.matrix.android.sdk.internal.di.MoshiProvider
-import org.matrix.android.sdk.api.session.accountdata.UserAccountDataEvent
 import im.vector.app.R
+import im.vector.app.core.dialogs.withColoredButton
 import im.vector.app.core.extensions.cleanup
 import im.vector.app.core.extensions.configureWith
 import im.vector.app.core.platform.VectorBaseActivity
@@ -31,6 +32,8 @@ import im.vector.app.core.resources.ColorProvider
 import im.vector.app.core.utils.createJSonViewerStyleProvider
 import kotlinx.android.synthetic.main.fragment_generic_recycler.*
 import org.billcarsonfr.jsonviewer.JSonViewerDialog
+import org.matrix.android.sdk.api.session.accountdata.UserAccountDataEvent
+import org.matrix.android.sdk.internal.di.MoshiProvider
 import javax.inject.Inject
 
 class AccountDataFragment @Inject constructor(
@@ -74,4 +77,16 @@ class AccountDataFragment @Inject constructor(
                 createJSonViewerStyleProvider(colorProvider)
         ).show(childFragmentManager, "JSON_VIEWER")
     }
+
+    override fun didLongTap(data: UserAccountDataEvent) {
+        AlertDialog.Builder(requireActivity())
+                .setTitle(R.string.delete)
+                .setMessage(getString(R.string.delete_account_data_warning, data.type))
+                .setNegativeButton(R.string.cancel, null)
+                .setPositiveButton(R.string.delete) { _, _ ->
+                    viewModel.handle(AccountDataAction.DeleteAccountData(data.type))
+                }
+                .show()
+                .withColoredButton(DialogInterface.BUTTON_POSITIVE)
+    }
 }
diff --git a/vector/src/main/java/im/vector/app/features/settings/devtools/AccountDataViewModel.kt b/vector/src/main/java/im/vector/app/features/settings/devtools/AccountDataViewModel.kt
index 4cac55cb84..af8d162f15 100644
--- a/vector/src/main/java/im/vector/app/features/settings/devtools/AccountDataViewModel.kt
+++ b/vector/src/main/java/im/vector/app/features/settings/devtools/AccountDataViewModel.kt
@@ -16,6 +16,7 @@
 
 package im.vector.app.features.settings.devtools
 
+import androidx.lifecycle.viewModelScope
 import com.airbnb.mvrx.Async
 import com.airbnb.mvrx.FragmentViewModelContext
 import com.airbnb.mvrx.MvRxState
@@ -24,11 +25,13 @@ import com.airbnb.mvrx.Uninitialized
 import com.airbnb.mvrx.ViewModelContext
 import com.squareup.inject.assisted.Assisted
 import com.squareup.inject.assisted.AssistedInject
-import org.matrix.android.sdk.api.session.Session
-import org.matrix.android.sdk.api.session.accountdata.UserAccountDataEvent
-import im.vector.app.core.platform.EmptyAction
+import im.vector.app.core.extensions.exhaustive
 import im.vector.app.core.platform.EmptyViewEvents
 import im.vector.app.core.platform.VectorViewModel
+import kotlinx.coroutines.launch
+import org.matrix.android.sdk.api.session.Session
+import org.matrix.android.sdk.api.session.accountdata.UserAccountDataEvent
+import org.matrix.android.sdk.internal.util.awaitCallback
 import org.matrix.android.sdk.rx.rx
 
 data class AccountDataViewState(
@@ -37,7 +40,7 @@ data class AccountDataViewState(
 
 class AccountDataViewModel @AssistedInject constructor(@Assisted initialState: AccountDataViewState,
                                                        private val session: Session)
-    : VectorViewModel<AccountDataViewState, EmptyAction, EmptyViewEvents>(initialState) {
+    : VectorViewModel<AccountDataViewState, AccountDataAction, EmptyViewEvents>(initialState) {
 
     init {
         session.rx().liveAccountData(emptySet())
@@ -46,7 +49,19 @@ class AccountDataViewModel @AssistedInject constructor(@Assisted initialState: A
                 }
     }
 
-    override fun handle(action: EmptyAction) {}
+    override fun handle(action: AccountDataAction) {
+        when (action) {
+            is AccountDataAction.DeleteAccountData -> handleDeleteAccountData(action)
+        }.exhaustive
+    }
+
+    private fun handleDeleteAccountData(action: AccountDataAction.DeleteAccountData) {
+        viewModelScope.launch {
+            awaitCallback {
+                session.updateAccountData(action.type, emptyMap(), it)
+            }
+        }
+    }
 
     @AssistedInject.Factory
     interface Factory {
diff --git a/vector/src/main/res/layout/dialog_import_e2e_keys.xml b/vector/src/main/res/layout/dialog_import_e2e_keys.xml
index 56d276f3f0..8648071d00 100644
--- a/vector/src/main/res/layout/dialog_import_e2e_keys.xml
+++ b/vector/src/main/res/layout/dialog_import_e2e_keys.xml
@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/layout_root"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:orientation="vertical"
     android:paddingStart="?dialogPreferredPadding"
     android:paddingTop="12dp"
     android:paddingEnd="?dialogPreferredPadding"
@@ -19,14 +19,20 @@
         android:textColor="?riotx_text_primary"
         android:textSize="16sp"
         android:visibility="gone"
-        tools:text="filename.txt"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:text="@string/import_e2e_keys_from_file"
         tools:visibility="visible" />
 
     <com.google.android.material.textfield.TextInputLayout
+        android:id="@+id/importDialogTil"
         style="@style/VectorTextInputLayout"
-        android:layout_width="match_parent"
+        android:layout_width="0dp"
         android:layout_height="wrap_content"
-        android:textColorHint="?attr/vctr_default_text_hint_color">
+        android:textColorHint="?attr/vctr_default_text_hint_color"
+        app:layout_constraintEnd_toStartOf="@+id/importDialogShowPassword"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/dialog_e2e_keys_passphrase_filename">
 
         <com.google.android.material.textfield.TextInputEditText
             android:id="@+id/dialog_e2e_keys_passphrase_edit_text"
@@ -38,6 +44,19 @@
 
     </com.google.android.material.textfield.TextInputLayout>
 
+    <ImageView
+        android:id="@+id/importDialogShowPassword"
+        android:layout_width="@dimen/layout_touch_size"
+        android:layout_height="@dimen/layout_touch_size"
+        android:layout_marginTop="8dp"
+        android:background="?attr/selectableItemBackground"
+        android:scaleType="center"
+        android:src="@drawable/ic_eye"
+        android:tint="?attr/colorAccent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toEndOf="@id/importDialogTil"
+        app:layout_constraintTop_toTopOf="@id/importDialogTil" />
+
     <com.google.android.material.button.MaterialButton
         android:id="@+id/dialog_e2e_keys_import_button"
         style="@style/VectorButtonStyle"
@@ -46,5 +65,8 @@
         android:layout_gravity="end"
         android:layout_marginTop="10dp"
         android:enabled="false"
-        android:text="@string/encryption_import_import" />
-</LinearLayout>
\ No newline at end of file
+        android:text="@string/encryption_import_import"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/importDialogTil" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/vector/src/main/res/values/strings.xml b/vector/src/main/res/values/strings.xml
index 167655f800..a32f3f6a4e 100644
--- a/vector/src/main/res/values/strings.xml
+++ b/vector/src/main/res/values/strings.xml
@@ -2226,6 +2226,8 @@
 
     <string name="settings_dev_tools">Dev Tools</string>
     <string name="settings_account_data">Account Data</string>
+    <string name="delete_account_data_warning">Delete the account data of type %1$s?\n\nUse with caution, it may lead to unexpected behavior.</string>
+
     <plurals name="poll_info">
         <item quantity="zero">%d vote</item>
         <item quantity="other">%d votes</item>