diff --git a/firmware/application/apps/ui_flash_utility.cpp b/firmware/application/apps/ui_flash_utility.cpp
index be9e0dce..0ea1f2b6 100644
--- a/firmware/application/apps/ui_flash_utility.cpp
+++ b/firmware/application/apps/ui_flash_utility.cpp
@@ -25,6 +25,8 @@
 
 namespace ui {
 
+static const char16_t* firmware_folder = u"/FIRMWARE";
+
 Thread* FlashUtilityView::thread{nullptr};
 static constexpr size_t max_filename_length = 26;
 
@@ -35,7 +37,9 @@ FlashUtilityView::FlashUtilityView(NavigationView& nav)
 
     menu_view.set_parent_rect({0, 3 * 8, 240, 33 * 8});
 
-    for (const auto& entry : std::filesystem::directory_iterator(u"FIRMWARE", u"*.bin")) {
+    ensure_directory(firmware_folder);
+
+    for (const auto& entry : std::filesystem::directory_iterator(firmware_folder, u"*.bin")) {
         auto filename = entry.path().filename();
         auto path = entry.path().native();
 
diff --git a/firmware/application/apps/ui_playlist.cpp b/firmware/application/apps/ui_playlist.cpp
index 2d1c816b..466a067f 100644
--- a/firmware/application/apps/ui_playlist.cpp
+++ b/firmware/application/apps/ui_playlist.cpp
@@ -40,6 +40,10 @@
 using namespace portapack;
 namespace fs = std::filesystem;
 
+/* TODO
+ * - Should frequency overrides be saved in the playlist?
+ */
+
 namespace ui {
 
 void PlaylistView::load_file(const fs::path& playlist_path) {
@@ -79,11 +83,9 @@ Optional<PlaylistView::playlist_entry> PlaylistView::load_entry(fs::path&& path)
     auto metadata_path = get_metadata_path(path);
     auto metadata = read_metadata_file(metadata_path);
 
-    // TODO: For now, require a metadata file. Eventually,
-    // allow a user-defined center_freq like there was in Replay.
-    // metadata = {0, 500'000};
+    // If no metadata found, fallback to the TX frequency.
     if (!metadata)
-        return {};
+        metadata = {transmitter_model.target_frequency(), 500'000};
 
     return playlist_entry{
         std::move(path),
@@ -126,6 +128,8 @@ void PlaylistView::save_file(bool show_dialogs) {
     if (!playlist_dirty_ || playlist_path_.empty())
         return;
 
+    ensure_directory(playlist_path_.parent_path());
+
     File playlist_file;
     auto error = playlist_file.create(playlist_path_.string());
 
@@ -185,7 +189,7 @@ void PlaylistView::show_file_error(const fs::path& path, const std::string& mess
     nav_.display_modal("Error", "Error opening file \n" + path.string() + "\n" + message);
 }
 
-const PlaylistView::playlist_entry* PlaylistView::current() const {
+PlaylistView::playlist_entry* PlaylistView::current() {
     return playlist_db_.empty() ? nullptr : &playlist_db_[current_index_];
 }
 
@@ -289,10 +293,9 @@ void PlaylistView::stop() {
 
 void PlaylistView::update_ui() {
     if (playlist_db_.empty()) {
-        text_filename.set("");
+        text_filename.set("-");
         text_sample_rate.set("-");
         text_duration.set("-");
-        text_frequency.set("-");
 
         if (playlist_path_.empty())
             text_track.set("Open playlist or add capture.");
@@ -311,7 +314,7 @@ void PlaylistView::update_ui() {
 
         auto duration = ms_duration(current()->file_size, current()->metadata.sample_rate, 4);
         text_duration.set(to_string_time_ms(duration));
-        text_frequency.set(to_string_short_freq(current()->metadata.center_frequency));
+        field_frequency.set_value(current()->metadata.center_frequency);
 
         text_track.set(
             to_string_dec_uint(current_index_ + 1) + "/" +
@@ -355,7 +358,7 @@ PlaylistView::PlaylistView(
         &text_duration,
         &progressbar_track,
         &progressbar_transmit,
-        &text_frequency,
+        &field_frequency,
         &tx_view,
         &check_loop,
         &button_play,
@@ -371,6 +374,18 @@ PlaylistView::PlaylistView(
 
     waterfall.show_audio_spectrum_view(false);
 
+    field_frequency.set_value(100'000'000);
+    field_frequency.on_change = [this](rf::Frequency f) {
+        if (current())
+            current()->metadata.center_frequency = f;
+    };
+    field_frequency.on_edit = [this]() {
+        auto freq_view = nav_.push<FrequencyKeypadView>(field_frequency.value());
+        freq_view->on_changed = [this](rf::Frequency f) {
+            field_frequency.set_value(f);
+        };
+    };
+
     button_play.on_select = [this](ImageButton&) {
         toggle();
     };
diff --git a/firmware/application/apps/ui_playlist.hpp b/firmware/application/apps/ui_playlist.hpp
index b086d1b6..c965838d 100644
--- a/firmware/application/apps/ui_playlist.hpp
+++ b/firmware/application/apps/ui_playlist.hpp
@@ -90,7 +90,7 @@ class PlaylistView : public View {
         const std::filesystem::path& path,
         const std::string& message);
 
-    const playlist_entry* current() const;
+    playlist_entry* current();
 
     bool is_active() const;
     bool at_end() const;
@@ -110,10 +110,8 @@ class PlaylistView : public View {
     Text text_filename{
         {0 * 8, 0 * 16, 30 * 8, 16}};
 
-    // TODO: delay duration field.
-    // TODO: TxFrequencyField to edit entry frequency.
-    Text text_frequency{
-        {0 * 8, 1 * 16, 9 * 8, 16}};
+    FrequencyField field_frequency{
+        {0 * 8, 1 * 16}};
 
     Text text_sample_rate{
         {10 * 8, 1 * 16, 7 * 8, 16}};
@@ -127,6 +125,8 @@ class PlaylistView : public View {
     Text text_duration{
         {0 * 8, 2 * 16, 5 * 8, 16}};
 
+    // TODO: delay duration field.
+
     TransmitterView2 tx_view{
         9 * 8, 1 * 8, SHORT_UI};
 
diff --git a/firmware/common/optional.hpp b/firmware/common/optional.hpp
index d382b957..38e492f6 100644
--- a/firmware/common/optional.hpp
+++ b/firmware/common/optional.hpp
@@ -34,6 +34,17 @@ class Optional {
     constexpr Optional(T&& value)
         : value_{std::move(value)}, valid_{true} {}
 
+    constexpr Optional& operator=(const T& value) {
+        value_ = value;
+        valid_ = true;
+        return *this;
+    }
+    constexpr Optional& operator=(T&& value) {
+        value_ = std::move(value);
+        valid_ = true;
+        return *this;
+    }
+
     bool is_valid() const { return valid_; }
     operator bool() const { return valid_; }