diff --git a/app-common/src/main/java/im/angry/openeuicc/ui/LogsActivity.kt b/app-common/src/main/java/im/angry/openeuicc/ui/LogsActivity.kt
index c6ba256..599e9d3 100644
--- a/app-common/src/main/java/im/angry/openeuicc/ui/LogsActivity.kt
+++ b/app-common/src/main/java/im/angry/openeuicc/ui/LogsActivity.kt
@@ -1,6 +1,7 @@
 package im.angry.openeuicc.ui
 
 import android.icu.text.SimpleDateFormat
+import android.os.Build
 import android.os.Bundle
 import android.view.Menu
 import android.view.MenuItem
@@ -32,9 +33,19 @@ class LogsActivity : AppCompatActivity() {
                     SimpleDateFormat.getDateTimeInstance().format(Date())
                 )
             },
-            getLogText = { logStr }
+            getLogText = ::buildLogText
         )
 
+    private fun buildLogText() = buildString {
+        appendLine("Manufacturer: ${Build.MANUFACTURER}")
+        appendLine("Brand: ${Build.BRAND}")
+        appendLine("Model: ${Build.MODEL}")
+        appendLine("SDK Version: ${Build.VERSION.SDK_INT}")
+        appendLine("App Version: $selfAppVersion")
+        appendLine("-".repeat(10))
+        appendLine(logStr)
+    }
+
     override fun onCreate(savedInstanceState: Bundle?) {
         enableEdgeToEdge()
         super.onCreate(savedInstanceState)
diff --git a/app-common/src/main/java/im/angry/openeuicc/ui/SettingsFragment.kt b/app-common/src/main/java/im/angry/openeuicc/ui/SettingsFragment.kt
index ef4ef8b..fab680f 100644
--- a/app-common/src/main/java/im/angry/openeuicc/ui/SettingsFragment.kt
+++ b/app-common/src/main/java/im/angry/openeuicc/ui/SettingsFragment.kt
@@ -29,7 +29,7 @@ open class SettingsFragment: PreferenceFragmentCompat() {
     override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
         setPreferencesFromResource(R.xml.pref_settings, rootKey)
 
-        developerPref = findPreference("pref_developer")!!
+        developerPref = requirePreference("pref_developer")
 
         // Show / hide developer preference based on whether it is enabled
         lifecycleScope.launch {
@@ -38,14 +38,14 @@ open class SettingsFragment: PreferenceFragmentCompat() {
                 .collect()
         }
 
-        findPreference<Preference>("pref_info_app_version")?.apply {
+        requirePreference<Preference>("pref_info_app_version").apply {
             summary = requireContext().selfAppVersion
 
             // Enable developer options when this is clicked for 7 times
             setOnPreferenceClickListener(::onAppVersionClicked)
         }
 
-        findPreference<Preference>("pref_advanced_language")?.apply {
+        requirePreference<Preference>("pref_advanced_language").apply {
             if (Build.VERSION.SDK_INT < Build.VERSION_CODES.TIRAMISU) return@apply
             isVisible = true
             intent = Intent(Settings.ACTION_APP_LOCALE_SETTINGS).apply {
@@ -53,32 +53,35 @@ open class SettingsFragment: PreferenceFragmentCompat() {
             }
         }
 
-        findPreference<Preference>("pref_advanced_logs")?.apply {
+        requirePreference<Preference>("pref_advanced_logs").apply {
             intent = Intent(requireContext(), LogsActivity::class.java)
         }
 
-        findPreference<CheckBoxPreference>("pref_notifications_download")
-            ?.bindBooleanFlow(preferenceRepository.notificationDownloadFlow)
+        requirePreference<CheckBoxPreference>("pref_notifications_download")
+            .bindBooleanFlow(preferenceRepository.notificationDownloadFlow)
 
-        findPreference<CheckBoxPreference>("pref_notifications_delete")
-            ?.bindBooleanFlow(preferenceRepository.notificationDeleteFlow)
+        requirePreference<CheckBoxPreference>("pref_notifications_delete")
+            .bindBooleanFlow(preferenceRepository.notificationDeleteFlow)
 
-        findPreference<CheckBoxPreference>("pref_notifications_switch")
-            ?.bindBooleanFlow(preferenceRepository.notificationSwitchFlow)
+        requirePreference<CheckBoxPreference>("pref_notifications_switch")
+            .bindBooleanFlow(preferenceRepository.notificationSwitchFlow)
 
-        findPreference<CheckBoxPreference>("pref_advanced_disable_safeguard_removable_esim")
-            ?.bindBooleanFlow(preferenceRepository.disableSafeguardFlow)
+        requirePreference<CheckBoxPreference>("pref_advanced_disable_safeguard_removable_esim")
+            .bindBooleanFlow(preferenceRepository.disableSafeguardFlow)
 
-        findPreference<CheckBoxPreference>("pref_advanced_verbose_logging")
-            ?.bindBooleanFlow(preferenceRepository.verboseLoggingFlow)
+        requirePreference<CheckBoxPreference>("pref_advanced_verbose_logging")
+            .bindBooleanFlow(preferenceRepository.verboseLoggingFlow)
 
-        findPreference<CheckBoxPreference>("pref_developer_unfiltered_profile_list")
-            ?.bindBooleanFlow(preferenceRepository.unfilteredProfileListFlow)
+        requirePreference<CheckBoxPreference>("pref_developer_unfiltered_profile_list")
+            .bindBooleanFlow(preferenceRepository.unfilteredProfileListFlow)
 
-        findPreference<CheckBoxPreference>("pref_ignore_tls_certificate")
-            ?.bindBooleanFlow(preferenceRepository.ignoreTLSCertificateFlow)
+        requirePreference<CheckBoxPreference>("pref_developer_ignore_tls_certificate")
+            .bindBooleanFlow(preferenceRepository.ignoreTLSCertificateFlow)
     }
 
+    protected fun <T : Preference> requirePreference(key: CharSequence) =
+        findPreference<T>(key)!!
+
     override fun onStart() {
         super.onStart()
         setupRootViewInsets(requireView().requireViewById(R.id.recycler_view))
@@ -133,8 +136,8 @@ open class SettingsFragment: PreferenceFragmentCompat() {
     }
 
     protected fun mergePreferenceOverlay(overlayKey: String, targetKey: String) {
-        val overlayCat = findPreference<PreferenceCategory>(overlayKey)!!
-        val targetCat = findPreference<PreferenceCategory>(targetKey)!!
+        val overlayCat = requirePreference<PreferenceCategory>(overlayKey)
+        val targetCat = requirePreference<PreferenceCategory>(targetKey)
 
         val prefs = buildList {
             for (i in 0..<overlayCat.preferenceCount) {
diff --git a/app-common/src/main/res/layout/fragment_download_details.xml b/app-common/src/main/res/layout/fragment_download_details.xml
index 3f58844..be01ad2 100644
--- a/app-common/src/main/res/layout/fragment_download_details.xml
+++ b/app-common/src/main/res/layout/fragment_download_details.xml
@@ -43,7 +43,8 @@
             android:id="@+id/profile_download_code"
             android:layout_width="0dp"
             android:layout_height="wrap_content"
-            android:hint="@string/profile_download_code">
+            android:hint="@string/profile_download_code"
+            app:passwordToggleEnabled="true">
 
             <com.google.android.material.textfield.TextInputEditText
                 android:maxLines="1"
@@ -57,7 +58,8 @@
             android:id="@+id/profile_download_confirmation_code"
             android:layout_width="0dp"
             android:layout_height="wrap_content"
-            android:hint="@string/profile_download_confirmation_code">
+            android:hint="@string/profile_download_confirmation_code"
+            app:passwordToggleEnabled="true">
 
             <com.google.android.material.textfield.TextInputEditText
                 android:maxLines="1"
diff --git a/app-unpriv/src/main/java/im/angry/openeuicc/ui/UnprivilegedSettingsFragment.kt b/app-unpriv/src/main/java/im/angry/openeuicc/ui/UnprivilegedSettingsFragment.kt
index 1ef3e89..23589a6 100644
--- a/app-unpriv/src/main/java/im/angry/openeuicc/ui/UnprivilegedSettingsFragment.kt
+++ b/app-unpriv/src/main/java/im/angry/openeuicc/ui/UnprivilegedSettingsFragment.kt
@@ -31,7 +31,7 @@ class UnprivilegedSettingsFragment : SettingsFragment() {
         addPreferencesFromResource(R.xml.pref_unprivileged_settings)
         mergePreferenceOverlay("pref_info_overlay", "pref_info")
 
-        findPreference<Preference>("pref_info_ara_m")?.apply {
+        requirePreference<Preference>("pref_info_ara_m").apply {
             summary = firstSigner.encodeHex()
             setOnPreferenceClickListener {
                 requireContext().getSystemService(ClipboardManager::class.java)!!