diff --git a/app/build.gradle b/app/build.gradle
index 9c5b02f9..cb3effc7 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -21,7 +21,7 @@ android {
         minSdkVersion 16
         targetSdkVersion 30
         versionCode 60
-        versionName "5.1-hotfix2"
+        versionName "5.1-hotfix3"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         vectorDrawables.useSupportLibrary = true
     }
@@ -60,58 +60,58 @@ android {
 }
 
 dependencies {
-    implementation fileTree(dir: 'libs', include: ['*.jar', '*.aar'])
+    implementation fileTree(dir: "libs", include: ["*.jar", "*.aar"])
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8"
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:1.3.9"
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:1.3.9"
     implementation "org.jetbrains.kotlinx:kotlinx-serialization-json:1.0.0-RC2"
-    implementation 'androidx.appcompat:appcompat:1.2.0'
+    implementation "androidx.appcompat:appcompat:1.2.0"
     implementation "androidx.activity:activity-ktx:1.2.0-alpha08"
-    implementation 'androidx.fragment:fragment-ktx:1.3.0-alpha08'
-    implementation 'androidx.preference:preference:1.1.1'
-    implementation 'androidx.constraintlayout:constraintlayout:2.0.1'
-    implementation 'androidx.gridlayout:gridlayout:1.0.0'
+    implementation "androidx.fragment:fragment-ktx:1.3.0-alpha08"
+    implementation "androidx.preference:preference:1.1.1"
+    implementation "androidx.constraintlayout:constraintlayout:2.0.1"
+    implementation "androidx.gridlayout:gridlayout:1.0.0"
     implementation "androidx.biometric:biometric:1.0.1"
     implementation "com.daimajia.swipelayout:library:1.2.0@aar"
-    implementation 'com.google.android.material:material:1.3.0-alpha02'
-    implementation 'com.google.firebase:firebase-core:17.5.0'
-    implementation 'com.google.firebase:firebase-analytics:17.5.0'
-    implementation 'com.google.firebase:firebase-crashlytics:17.2.1'
-    implementation 'com.google.firebase:firebase-perf:19.0.8'
-    implementation 'com.google.android.gms:play-services-oss-licenses:17.0.0'
-    implementation 'com.google.android.gms:play-services-mlkit-face-detection:16.1.1'
-    implementation 'com.github.clans:fab:1.6.4'
-    //implementation 'com.quiph.ui:recyclerviewfastscroller:0.2.1'
+    implementation "com.google.android.material:material:1.3.0-alpha02"
+    implementation "com.google.firebase:firebase-core:17.5.0"
+    implementation "com.google.firebase:firebase-analytics:17.5.0"
+    implementation "com.google.firebase:firebase-crashlytics:17.2.1"
+    implementation "com.google.firebase:firebase-perf:19.0.8"
+    implementation "com.google.android.gms:play-services-oss-licenses:17.0.0"
+    implementation "com.google.android.gms:play-services-mlkit-face-detection:16.1.1"
+    implementation "com.github.clans:fab:1.6.4"
+    //implementation "com.quiph.ui:recyclerviewfastscroller:0.2.1"
     //noinspection GradleDependency
-    implementation 'com.squareup.okhttp3:okhttp:3.12.12'
-    implementation 'com.github.bumptech.glide:glide:4.11.0'
+    implementation "com.squareup.okhttp3:okhttp:3.12.12"
+    implementation "com.github.bumptech.glide:glide:4.11.0"
     implementation ("com.github.bumptech.glide:okhttp3-integration:4.11.0") {
         transitive = false
     }
     implementation ("com.github.bumptech.glide:recyclerview-integration:4.11.0") {
         transitive = false
     }
-    implementation 'com.github.bumptech.glide:annotations:4.11.0'
-    annotationProcessor 'com.github.bumptech.glide:compiler:4.11.0'
-    kapt 'com.github.bumptech.glide:compiler:4.11.0'
+    implementation "com.github.bumptech.glide:annotations:4.11.0"
+    annotationProcessor "com.github.bumptech.glide:compiler:4.11.0"
+    kapt "com.github.bumptech.glide:compiler:4.11.0"
     implementation ("com.github.bumptech.glide:recyclerview-integration:4.11.0") {
         transitive = false
     }
-    implementation 'com.tbuonomo.andrui:viewpagerdotsindicator:4.1.2'
-    implementation 'com.gu:option:1.3'
-    implementation 'net.rdrei.android.dirchooser:library:3.2@aar'
-    implementation 'com.github.chrisbanes:PhotoView:2.3.0'
-    implementation 'com.andrognito.patternlockview:patternlockview:1.0.0'
-    //implementation 'com.andrognito.pinlockview:pinlockview:2.1.0'
+    implementation "com.tbuonomo.andrui:viewpagerdotsindicator:4.1.2"
+    implementation "com.gu:option:1.3"
+    implementation "net.rdrei.android.dirchooser:library:3.2@aar"
+    implementation "com.github.chrisbanes:PhotoView:2.3.0"
+    implementation "com.andrognito.patternlockview:patternlockview:1.0.0"
+    //implementation "com.andrognito.pinlockview:pinlockview:2.1.0"
     implementation "ru.noties.markwon:core:3.1.0"
-    implementation 'xyz.quaver:libpupil:1.7.1'
+    implementation "xyz.quaver:libpupil:1.7.2"
     implementation "xyz.quaver:documentfilex:0.2.15"
-    implementation "xyz.quaver:floatingsearchview:1.0.4"
-    testImplementation 'junit:junit:4.13'
-    androidTestImplementation 'androidx.test.ext:junit:1.1.2'
-    androidTestImplementation 'androidx.test:rules:1.3.0'
-    androidTestImplementation 'androidx.test:runner:1.3.0'
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
+    implementation "xyz.quaver:floatingsearchview:1.0.5"
+    testImplementation "junit:junit:4.13"
+    androidTestImplementation "androidx.test.ext:junit:1.1.2"
+    androidTestImplementation "androidx.test:rules:1.3.0"
+    androidTestImplementation "androidx.test:runner:1.3.0"
+    androidTestImplementation "androidx.test.espresso:espresso-core:3.3.0"
 }
 
 androidExtensions {
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 0fd990df..c6a711b7 100644
--- a/app/src/main/java/xyz/quaver/pupil/util/update.kt
+++ b/app/src/main/java/xyz/quaver/pupil/util/update.kt
@@ -27,13 +27,11 @@ import android.content.Intent
 import android.content.IntentFilter
 import android.net.Uri
 import android.util.Base64
-import android.util.Log
 import android.webkit.URLUtil
 import androidx.appcompat.app.AlertDialog
 import androidx.core.app.NotificationCompat
 import androidx.core.app.NotificationManagerCompat
 import androidx.preference.PreferenceManager
-import com.google.firebase.crashlytics.FirebaseCrashlytics
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
@@ -52,7 +50,9 @@ import xyz.quaver.hitomi.getGalleryBlock
 import xyz.quaver.hitomi.getReader
 import xyz.quaver.io.FileX
 import xyz.quaver.io.util.getChild
-import xyz.quaver.io.util.*
+import xyz.quaver.io.util.readText
+import xyz.quaver.io.util.writeBytes
+import xyz.quaver.io.util.writeText
 import xyz.quaver.pupil.BuildConfig
 import xyz.quaver.pupil.R
 import xyz.quaver.pupil.client