diff --git a/app/build.gradle b/app/build.gradle
index 7035b8ae..d9f5c3f1 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -28,7 +28,6 @@ android {
             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
         }
         buildTypes.each {
-            it.buildConfigField('boolean', 'PRERELEASE', 'false')
             it.buildConfigField('boolean', 'CENSOR', 'false')
         }
     }
@@ -39,7 +38,7 @@ android {
         sourceCompatibility JavaVersion.VERSION_1_8
         targetCompatibility JavaVersion.VERSION_1_8
     }
-    buildToolsVersion = '29.0.1'
+    buildToolsVersion = '29.0.2'
 }
 
 dependencies {
diff --git a/app/src/main/java/xyz/quaver/pupil/ui/SettingsActivity.kt b/app/src/main/java/xyz/quaver/pupil/ui/SettingsActivity.kt
index 291c7753..61b0fe96 100644
--- a/app/src/main/java/xyz/quaver/pupil/ui/SettingsActivity.kt
+++ b/app/src/main/java/xyz/quaver/pupil/ui/SettingsActivity.kt
@@ -45,10 +45,7 @@ import xyz.quaver.pupil.Pupil
 import xyz.quaver.pupil.R
 import xyz.quaver.pupil.types.Tags
 import xyz.quaver.pupil.ui.dialog.DownloadLocationDialog
-import xyz.quaver.pupil.util.Lock
-import xyz.quaver.pupil.util.LockManager
-import xyz.quaver.pupil.util.byteToString
-import xyz.quaver.pupil.util.getDownloadDirectory
+import xyz.quaver.pupil.util.*
 import java.io.File
 import java.nio.charset.Charset
 import java.util.*
@@ -120,7 +117,13 @@ class SettingsActivity : AppCompatActivity() {
                 val manager = context.packageManager
                 val info = manager.getPackageInfo(context.packageName, 0)
 
-                summary = info.versionName
+                summary = context.getString(R.string.settings_app_version_description, info.versionName)
+
+                setOnPreferenceClickListener {
+                    checkUpdate(activity as SettingsActivity, true)
+
+                    true
+                }
             }
 
             with(findPreference<Preference>("delete_cache")) {
diff --git a/app/src/main/java/xyz/quaver/pupil/util/update.kt b/app/src/main/java/xyz/quaver/pupil/util/update.kt
index 13266ae6..a206be15 100644
--- a/app/src/main/java/xyz/quaver/pupil/util/update.kt
+++ b/app/src/main/java/xyz/quaver/pupil/util/update.kt
@@ -54,18 +54,17 @@ fun getReleases(url: String) : JsonArray {
     }
 }
 
-fun checkUpdate(url: String) : JsonObject? {
+fun checkUpdate(context: Context, url: String) : JsonObject? {
     val releases = getReleases(url)
 
     if (releases.isEmpty())
         return null
 
     return releases.firstOrNull {
-        if (BuildConfig.PRERELEASE) {
+        if (PreferenceManager.getDefaultSharedPreferences(context).getBoolean("beta", false))
             true
-        } else {
+        else
             it.jsonObject["prerelease"]?.boolean == false
-        }
     }?.let {
         if (it.jsonObject["tag_name"]?.content == BuildConfig.VERSION_NAME)
             null
@@ -82,13 +81,13 @@ fun getApkUrl(releases: JsonObject) : String? {
     }
 }
 
-val UPDATE_NOTIFICATION_ID = 384823
-fun checkUpdate(context: AppCompatActivity) {
+const val UPDATE_NOTIFICATION_ID = 384823
+fun checkUpdate(context: AppCompatActivity, force: Boolean = false) {
 
     val preferences = PreferenceManager.getDefaultSharedPreferences(context)
     val ignoreUpdateUntil = preferences.getLong("ignore_update_until", 0)
 
-    if (ignoreUpdateUntil > System.currentTimeMillis())
+    if (!force && ignoreUpdateUntil > System.currentTimeMillis())
         return
 
     fun extractReleaseNote(update: JsonObject, locale: Locale) : String {
@@ -135,7 +134,7 @@ fun checkUpdate(context: AppCompatActivity) {
 
     CoroutineScope(Dispatchers.Default).launch {
         val update =
-            checkUpdate(context.getString(R.string.release_url)) ?: return@launch
+            checkUpdate(context, context.getString(R.string.release_url)) ?: return@launch
 
         val url = getApkUrl(update) ?: return@launch
 
@@ -185,10 +184,11 @@ fun checkUpdate(context: AppCompatActivity) {
                         notificationManager.notify(UPDATE_NOTIFICATION_ID, builder.build())
                 }
             }
-            setNegativeButton(R.string.ignore_update) { _, _ ->
-                preferences.edit()
-                    .putLong("ignore_update_until", System.currentTimeMillis() + 604800000)
-                    .apply()
+            setNegativeButton(if (force) android.R.string.no else R.string.ignore_update) { _, _ ->
+                if (!force)
+                    preferences.edit()
+                        .putLong("ignore_update_until", System.currentTimeMillis() + 604800000)
+                        .apply()
             }
         }
 
diff --git a/app/src/main/res/values-ja/strings.xml b/app/src/main/res/values-ja/strings.xml
index 625fcd2b..74bf6715 100644
--- a/app/src/main/res/values-ja/strings.xml
+++ b/app/src/main/res/values-ja/strings.xml
@@ -69,7 +69,7 @@
     <string name="main_drawer_grouop_contact_discord">ディスコード</string>
     <string name="settings_app_lock">アプリロック</string>
     <string name="settings_app_lock_type">アップロックの種類</string>
-    <string name="settings_app_version_title">バージョン</string>
+    <string name="settings_app_version_title">バージョン(アップデート確認)</string>
     <string name="settings_lock_biometrics">生体認識</string>
     <string name="settings_lock_confirm">ロック確認のためもう一回入力してください。</string>
     <string name="settings_lock_enabled">有効</string>
@@ -116,4 +116,6 @@
     <string name="settings_dl_location_available">%s 使用可能</string>
     <string name="update_download_completed">ダウンロードが完了しました</string>
     <string name="update_download_completed_description">ここをクリックしてアップデートを行えます</string>
+    <string name="settings_beta">ベータチャンネルでアップデートを受信</string>
+    <string name="settings_app_version_description">v%s</string>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values-ko/strings.xml b/app/src/main/res/values-ko/strings.xml
index 5c2ecdde..bbaa7d97 100644
--- a/app/src/main/res/values-ko/strings.xml
+++ b/app/src/main/res/values-ko/strings.xml
@@ -69,7 +69,7 @@
     <string name="main_drawer_grouop_contact_discord">디스코드</string>
     <string name="settings_app_lock">앱 잠금</string>
     <string name="settings_app_lock_type">앱 잠금 종류</string>
-    <string name="settings_app_version_title">앱 버전</string>
+    <string name="settings_app_version_title">앱 버전(업데이트 확인)</string>
     <string name="settings_lock_biometrics">생체 인식</string>
     <string name="settings_lock_confirm">잠금 확인을 위해 한번 더 입력해주세요</string>
     <string name="settings_lock_enabled">사용 중</string>
@@ -116,4 +116,6 @@
     <string name="settings_dl_location_available">%s 사용 가능</string>
     <string name="update_download_completed">다운로드가 완료되었습니다</string>
     <string name="update_download_completed_description">여기를 클릭해서 업데이트를 진행할 수 있습니다</string>
+    <string name="settings_beta">베타 채널에서 업데이트</string>
+    <string name="settings_app_version_description">v%s</string>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index afd7d1fd..d2852e5b 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -115,7 +115,12 @@
 
     <string name="settings_title">Settings</string>
 
-    <string name="settings_app_version_title">App version</string>
+    <string name="settings_app_version_title">App version(Click to check update)</string>
+    <string name="settings_app_version_description">v%s</string>
+    <string name="settings_beta">Update from beta channel</string>
+
+    <!-- SEARCH -->
+
     <string name="settings_search_title">Search Settings</string>
     <string name="settings_galleries_per_page">Galleries per page</string>
     <string name="settings_default_query">Default query</string>
diff --git a/app/src/main/res/xml/root_preferences.xml b/app/src/main/res/xml/root_preferences.xml
index 4cf82f4e..01522582 100644
--- a/app/src/main/res/xml/root_preferences.xml
+++ b/app/src/main/res/xml/root_preferences.xml
@@ -6,6 +6,10 @@
         app:title="@string/settings_app_version_title"
         app:key="app_version"/>
 
+    <SwitchPreference
+        app:title="@string/settings_beta"
+        app:key="beta"/>
+
     <PreferenceCategory
         app:title="@string/settings_search_title">