diff --git a/applications/main/nfc/api/mosgortrans/mosgortrans_util.c b/applications/main/nfc/api/mosgortrans/mosgortrans_util.c
index ef1e18f8d..8844ee4af 100644
--- a/applications/main/nfc/api/mosgortrans/mosgortrans_util.c
+++ b/applications/main/nfc/api/mosgortrans/mosgortrans_util.c
@@ -505,7 +505,7 @@ bool mosgortrans_parse_transport_block(const MfClassicBlock* block, FuriString*
             card_use_before_date_s.year);
 
         if(data_block.valid_from_date == 0 || data_block.valid_to_date == 0) {
-            furi_string_cat(result, "\e#No ticket\n");
+            furi_string_cat(result, "\e#No ticket");
             return true;
         }
         //remaining_trips
@@ -625,7 +625,7 @@ bool mosgortrans_parse_transport_block(const MfClassicBlock* block, FuriString*
             data_block.valid_from_date + data_block.valid_for_days, &card_valid_to_date_s, 1992);
         furi_string_cat_printf(
             result,
-            "Valid to: %02d.%02d.%04d\n",
+            "Valid to: %02d.%02d.%04d",
             card_valid_to_date_s.day,
             card_valid_to_date_s.month,
             card_valid_to_date_s.year);
@@ -663,7 +663,7 @@ bool mosgortrans_parse_transport_block(const MfClassicBlock* block, FuriString*
             2016);
         furi_string_cat_printf(
             result,
-            "Valid to: %02d.%02d.%04d\n",
+            "Valid to: %02d.%02d.%04d",
             card_valid_to_date_s.day,
             card_valid_to_date_s.month,
             card_valid_to_date_s.year);
@@ -676,7 +676,7 @@ bool mosgortrans_parse_transport_block(const MfClassicBlock* block, FuriString*
                 2016);
             furi_string_cat_printf(
                 result,
-                "Trip from: %02d.%02d.%04d %02d:%02d\n",
+                "\nTrip from: %02d.%02d.%04d %02d:%02d",
                 card_start_trip_minutes_s.day,
                 card_start_trip_minutes_s.month,
                 card_start_trip_minutes_s.year,
@@ -693,7 +693,7 @@ bool mosgortrans_parse_transport_block(const MfClassicBlock* block, FuriString*
                 2016);
             furi_string_cat_printf(
                 result,
-                "Trip switch: %02d.%02d.%04d %02d:%02d\n",
+                "\nTrip switch: %02d.%02d.%04d %02d:%02d",
                 card_start_switch_trip_minutes_s.day,
                 card_start_switch_trip_minutes_s.month,
                 card_start_switch_trip_minutes_s.year,
@@ -703,10 +703,10 @@ bool mosgortrans_parse_transport_block(const MfClassicBlock* block, FuriString*
         //transport
         FuriString* transport = furi_string_alloc();
         parse_transport_type(&data_block, transport);
-        furi_string_cat_printf(result, "Transport: %s\n", furi_string_get_cstr(transport));
+        furi_string_cat_printf(result, "\nTransport: %s", furi_string_get_cstr(transport));
         //validator
         if(data_block.validator) {
-            furi_string_cat_printf(result, "Validator: %05d\n", data_block.validator);
+            furi_string_cat_printf(result, "\nValidator: %05d", data_block.validator);
         }
         furi_string_free(transport);
         break;
@@ -740,9 +740,9 @@ bool mosgortrans_parse_transport_block(const MfClassicBlock* block, FuriString*
             card_valid_to_date_s.month,
             card_valid_to_date_s.year);
         //remaining_trips
-        furi_string_cat_printf(result, "Trips left: %d\n", data_block.remaining_trips);
+        furi_string_cat_printf(result, "Trips left: %d", data_block.remaining_trips);
         //trip_from
-        if(data_block.start_trip_date) {
+        if(data_block.start_trip_date) { // TODO: (-nofl) unused
             DateTime card_start_trip_minutes_s = {0};
             from_minutes_to_datetime(
                 data_block.start_trip_date * 24 * 60 + data_block.start_trip_time,
@@ -751,7 +751,7 @@ bool mosgortrans_parse_transport_block(const MfClassicBlock* block, FuriString*
         }
         //validator
         if(data_block.validator) {
-            furi_string_cat_printf(result, "Validator: %05d", data_block.validator);
+            furi_string_cat_printf(result, "\nValidator: %05d", data_block.validator);
         }
         break;
     }
@@ -785,12 +785,12 @@ bool mosgortrans_parse_transport_block(const MfClassicBlock* block, FuriString*
             data_block.valid_from_date + data_block.valid_for_days, &card_valid_to_date_s, 1992);
         furi_string_cat_printf(
             result,
-            "Valid to: %02d.%02d.%04d\n",
+            "Valid to: %02d.%02d.%04d",
             card_valid_to_date_s.day,
             card_valid_to_date_s.month,
             card_valid_to_date_s.year);
         //trip_from
-        if(data_block.start_trip_date) {
+        if(data_block.start_trip_date) { // TODO: (-nofl) unused
             DateTime card_start_trip_minutes_s = {0};
             from_minutes_to_datetime(
                 data_block.start_trip_date * 24 * 60 + data_block.start_trip_time,
@@ -798,7 +798,7 @@ bool mosgortrans_parse_transport_block(const MfClassicBlock* block, FuriString*
                 1992);
         }
         //trip_switch
-        if(data_block.passage_5_minutes) {
+        if(data_block.passage_5_minutes) { // TODO: (-nofl) unused
             DateTime card_start_switch_trip_minutes_s = {0};
             from_minutes_to_datetime(
                 data_block.start_trip_date * 24 * 60 + data_block.start_trip_time +
@@ -808,7 +808,7 @@ bool mosgortrans_parse_transport_block(const MfClassicBlock* block, FuriString*
         }
         //validator
         if(data_block.validator) {
-            furi_string_cat_printf(result, "Validator: %05d", data_block.validator);
+            furi_string_cat_printf(result, "\nValidator: %05d", data_block.validator);
         }
         break;
     }
@@ -870,10 +870,10 @@ bool mosgortrans_parse_transport_block(const MfClassicBlock* block, FuriString*
             furi_string_cat(transport, "");
             break;
         }
-        furi_string_cat_printf(result, "Transport: %s\n", furi_string_get_cstr(transport));
+        furi_string_cat_printf(result, "Transport: %s", furi_string_get_cstr(transport));
         //validator
         if(data_block.validator) {
-            furi_string_cat_printf(result, "Validator: %05d", data_block.validator);
+            furi_string_cat_printf(result, "\nValidator: %05d", data_block.validator);
         }
         furi_string_free(transport);
         break;
@@ -899,7 +899,7 @@ bool mosgortrans_parse_transport_block(const MfClassicBlock* block, FuriString*
         from_days_to_datetime(data_block.valid_from_date, &card_valid_from_date_s, 1992);
         furi_string_cat_printf(
             result,
-            "Valid from: %02d.%02d.%04d\n",
+            "Valid from: %02d.%02d.%04d",
             card_valid_from_date_s.day,
             card_valid_from_date_s.month,
             card_valid_from_date_s.year);
@@ -912,7 +912,7 @@ bool mosgortrans_parse_transport_block(const MfClassicBlock* block, FuriString*
                 1992);
             furi_string_cat_printf(
                 result,
-                "Valid to: %02d.%02d.%04d\n",
+                "\nValid to: %02d.%02d.%04d",
                 card_valid_to_date_s.day,
                 card_valid_to_date_s.month,
                 card_valid_to_date_s.year);
@@ -924,7 +924,7 @@ bool mosgortrans_parse_transport_block(const MfClassicBlock* block, FuriString*
                 1992);
             furi_string_cat_printf(
                 result,
-                "Valid to: %02d.%02d.%04d\n",
+                "\nValid to: %02d.%02d.%04d",
                 card_valid_to_date_s.day,
                 card_valid_to_date_s.month,
                 card_valid_to_date_s.year);
@@ -939,7 +939,7 @@ bool mosgortrans_parse_transport_block(const MfClassicBlock* block, FuriString*
                 1992); //-time
             furi_string_cat_printf(
                 result,
-                "Trip from: %02d.%02d.%04d %02d:%02d\n",
+                "\nTrip from: %02d.%02d.%04d %02d:%02d",
                 card_start_trip_minutes_s.day,
                 card_start_trip_minutes_s.month,
                 card_start_trip_minutes_s.year,
@@ -956,7 +956,7 @@ bool mosgortrans_parse_transport_block(const MfClassicBlock* block, FuriString*
                 1992);
             furi_string_cat_printf(
                 result,
-                "Trip switch: %02d.%02d.%04d %02d:%02d\n",
+                "\nTrip switch: %02d.%02d.%04d %02d:%02d",
                 card_start_switch_trip_minutes_s.day,
                 card_start_switch_trip_minutes_s.month,
                 card_start_switch_trip_minutes_s.year,
@@ -965,7 +965,7 @@ bool mosgortrans_parse_transport_block(const MfClassicBlock* block, FuriString*
         }
         //transport
         FuriString* transport = furi_string_alloc();
-        switch(data_block.transport_type) {
+        switch(data_block.transport_type) { // TODO: (-nofl) unused
         case 1:
             furi_string_cat(transport, "Metro");
             break;
@@ -981,7 +981,7 @@ bool mosgortrans_parse_transport_block(const MfClassicBlock* block, FuriString*
         }
         //validator
         if(data_block.validator) {
-            furi_string_cat_printf(result, "Validator: %05d", data_block.validator);
+            furi_string_cat_printf(result, "\nValidator: %05d", data_block.validator);
         }
         furi_string_free(transport);
         break;
@@ -1094,14 +1094,14 @@ bool mosgortrans_parse_transport_block(const MfClassicBlock* block, FuriString*
             data_block.valid_from_date * 24 * 60 + data_block.valid_for_minutes -
                 data_block.start_trip_neg_minutes,
             &card_start_trip_minutes_s,
-            2016);
+            2016); // TODO: (-nofl) unused
         //transport
         FuriString* transport = furi_string_alloc();
         parse_transport_type(&data_block, transport);
-        furi_string_cat_printf(result, "Transport: %s\n", furi_string_get_cstr(transport));
+        furi_string_cat_printf(result, "Transport: %s", furi_string_get_cstr(transport));
         // validator
         if(data_block.validator) {
-            furi_string_cat_printf(result, "Validator: %05d", data_block.validator);
+            furi_string_cat_printf(result, "\nValidator: %05d", data_block.validator);
         }
         furi_string_free(transport);
         break;
@@ -1121,7 +1121,7 @@ bool mosgortrans_parse_transport_block(const MfClassicBlock* block, FuriString*
             card_use_before_date_s.month,
             card_use_before_date_s.year);
         //remaining_funds
-        furi_string_cat_printf(result, "Balance: %ld rub\n", data_block.remaining_funds / 100);
+        furi_string_cat_printf(result, "Balance: %ld rub", data_block.remaining_funds / 100);
         //start_trip_minutes
         if(data_block.start_trip_minutes) {
             DateTime card_start_trip_minutes_s = {0};
@@ -1129,7 +1129,7 @@ bool mosgortrans_parse_transport_block(const MfClassicBlock* block, FuriString*
                 data_block.start_trip_minutes, &card_start_trip_minutes_s, 2019);
             furi_string_cat_printf(
                 result,
-                "Trip from: %02d.%02d.%04d %02d:%02d\n",
+                "\nTrip from: %02d.%02d.%04d %02d:%02d",
                 card_start_trip_minutes_s.day,
                 card_start_trip_minutes_s.month,
                 card_start_trip_minutes_s.year,
@@ -1145,7 +1145,7 @@ bool mosgortrans_parse_transport_block(const MfClassicBlock* block, FuriString*
                 2019);
             furi_string_cat_printf(
                 result,
-                "(M) from: %02d.%02d.%04d %02d:%02d\n",
+                "\n(M) from: %02d.%02d.%04d %02d:%02d",
                 card_start_m_trip_minutes_s.day,
                 card_start_m_trip_minutes_s.month,
                 card_start_m_trip_minutes_s.year,
@@ -1160,7 +1160,7 @@ bool mosgortrans_parse_transport_block(const MfClassicBlock* block, FuriString*
                 2019);
             furi_string_cat_printf(
                 result,
-                "Trip edit: %02d.%02d.%04d %02d:%02d\n",
+                "\nTrip edit: %02d.%02d.%04d %02d:%02d",
                 card_start_change_trip_minutes_s.day,
                 card_start_change_trip_minutes_s.month,
                 card_start_change_trip_minutes_s.year,
@@ -1170,7 +1170,7 @@ bool mosgortrans_parse_transport_block(const MfClassicBlock* block, FuriString*
         //transport
         //validator
         if(data_block.validator) {
-            furi_string_cat_printf(result, "Validator: %05d", data_block.validator);
+            furi_string_cat_printf(result, "\nValidator: %05d", data_block.validator);
         }
         break;
     }
@@ -1207,7 +1207,7 @@ bool mosgortrans_parse_transport_block(const MfClassicBlock* block, FuriString*
             2019);
         furi_string_cat_printf(
             result,
-            "Valid to: %02d.%02d.%04d\n",
+            "Valid to: %02d.%02d.%04d",
             card_use_to_date_s.day,
             card_use_to_date_s.month,
             card_use_to_date_s.year);
@@ -1221,7 +1221,7 @@ bool mosgortrans_parse_transport_block(const MfClassicBlock* block, FuriString*
                 2019); //-time
             furi_string_cat_printf(
                 result,
-                "Trip from: %02d.%02d.%04d %02d:%02d\n",
+                "\nTrip from: %02d.%02d.%04d %02d:%02d",
                 card_start_trip_minutes_s.day,
                 card_start_trip_minutes_s.month,
                 card_start_trip_minutes_s.year,
@@ -1238,7 +1238,7 @@ bool mosgortrans_parse_transport_block(const MfClassicBlock* block, FuriString*
                 2019);
             furi_string_cat_printf(
                 result,
-                "(M) from: %02d.%02d.%04d %02d:%02d\n",
+                "\n(M) from: %02d.%02d.%04d %02d:%02d",
                 card_start_trip_m_minutes_s.day,
                 card_start_trip_m_minutes_s.month,
                 card_start_trip_m_minutes_s.year,
@@ -1248,7 +1248,7 @@ bool mosgortrans_parse_transport_block(const MfClassicBlock* block, FuriString*
         //transport
         //validator
         if(data_block.validator) {
-            furi_string_cat_printf(result, "Validator: %05d", data_block.validator);
+            furi_string_cat_printf(result, "\nValidator: %05d", data_block.validator);
         }
         break;
     }
diff --git a/applications/main/nfc/plugins/supported_cards/plantain.c b/applications/main/nfc/plugins/supported_cards/plantain.c
index b1d2a5164..11b60d6fa 100644
--- a/applications/main/nfc/plugins/supported_cards/plantain.c
+++ b/applications/main/nfc/plugins/supported_cards/plantain.c
@@ -59,6 +59,29 @@ static const MfClassicKeyPair plantain_4k_keys[] = {
     {.a = 0xb27addfb64b0, .b = 0x152fd0c420a7}, {.a = 0x7259fa0197c6, .b = 0x5583698df085},
 };
 
+static const MfClassicKeyPair plantain_4k_keys_legacy[] = {
+    {.a = 0xffffffffffff, .b = 0xffffffffffff}, {.a = 0xffffffffffff, .b = 0xffffffffffff},
+    {.a = 0xffffffffffff, .b = 0xffffffffffff}, {.a = 0xffffffffffff, .b = 0xffffffffffff},
+    {.a = 0xe56ac127dd45, .b = 0x19fc84a3784b}, {.a = 0x77dabc9825e1, .b = 0x9764fec3154a},
+    {.a = 0xffffffffffff, .b = 0xffffffffffff}, {.a = 0xffffffffffff, .b = 0xffffffffffff},
+    {.a = 0x26973ea74321, .b = 0xd27058c6e2c7}, {.a = 0xeb0a8ff88ade, .b = 0x578a9ada41e3},
+    {.a = 0xea0fd73cb149, .b = 0x29c35fa068fb}, {.a = 0xc76bf71a2509, .b = 0x9ba241db3f56},
+    {.a = 0xacffffffffff, .b = 0x71f3a315ad26}, {.a = 0xffffffffffff, .b = 0xffffffffffff},
+    {.a = 0xffffffffffff, .b = 0xffffffffffff}, {.a = 0xffffffffffff, .b = 0xffffffffffff},
+    {.a = 0x72f96bdd3714, .b = 0x462225cd34cf}, {.a = 0x044ce1872bc3, .b = 0x8c90c70cff4a},
+    {.a = 0xbc2d1791dec1, .b = 0xca96a487de0b}, {.a = 0x8791b2ccb5c4, .b = 0xc956c3b80da3},
+    {.a = 0x8e26e45e7d65, .b = 0x8e65b3af7d22}, {.a = 0x0f318130ed18, .b = 0x0c420a20e056},
+    {.a = 0x045ceca15535, .b = 0x31bec3d9e510}, {.a = 0x9d993c5d4ef4, .b = 0x86120e488abf},
+    {.a = 0xc65d4eaa645b, .b = 0xb69d40d1a439}, {.a = 0x46d78e850a7e, .b = 0xa470f8130991},
+    {.a = 0x42e9b54e51ab, .b = 0x0231b86df52e}, {.a = 0x0f01ceff2742, .b = 0x6fec74559ca7},
+    {.a = 0xb81f2b0c2f66, .b = 0xa7e2d95f0003}, {.a = 0x9ea3387a63c1, .b = 0x437e59f57561},
+    {.a = 0x0eb23cc8110b, .b = 0x04dc35277635}, {.a = 0xbc4580b7f20b, .b = 0xd0a4131fb290},
+    {.a = 0x7a396f0d633d, .b = 0xad2bdc097023}, {.a = 0xa3faa6daff67, .b = 0x7600e889adf9},
+    {.a = 0xfd8705e721b0, .b = 0x296fc317a513}, {.a = 0x22052b480d11, .b = 0xe19504c39461},
+    {.a = 0xa7141147d430, .b = 0xff16014fefc7}, {.a = 0x8a8d88151a00, .b = 0x038b5f9b5a2a},
+    {.a = 0xb27addfb64b0, .b = 0x152fd0c420a7}, {.a = 0x7259fa0197c6, .b = 0x5583698df085},
+};
+
 static bool plantain_get_card_config(PlantainCardConfig* config, MfClassicType type) {
     bool success = true;
 
@@ -125,6 +148,21 @@ static bool plantain_read(Nfc* nfc, NfcDevice* device) {
         PlantainCardConfig cfg = {};
         if(!plantain_get_card_config(&cfg, data->type)) break;
 
+        const uint8_t legacy_check_sec_num = 26;
+        const uint8_t legacy_check_block_num =
+            mf_classic_get_first_block_num_of_sector(legacy_check_sec_num);
+
+        MfClassicKey key = {0};
+        bit_lib_num_to_bytes_be(
+            plantain_4k_keys_legacy[legacy_check_sec_num].a, COUNT_OF(key.data), key.data);
+
+        error = mf_classic_poller_sync_auth(
+            nfc, legacy_check_block_num, &key, MfClassicKeyTypeA, NULL);
+        if(error == MfClassicErrorNone) {
+            FURI_LOG_D(TAG, "Legacy keys detected");
+            cfg.keys = plantain_4k_keys_legacy;
+        }
+
         MfClassicDeviceKeys keys = {};
         for(size_t i = 0; i < mf_classic_get_total_sectors_num(data->type); i++) {
             bit_lib_num_to_bytes_be(cfg.keys[i].a, sizeof(MfClassicKey), keys.key_a[i].data);
diff --git a/applications/main/nfc/plugins/supported_cards/troika.c b/applications/main/nfc/plugins/supported_cards/troika.c
index 1831246ee..94e72391f 100644
--- a/applications/main/nfc/plugins/supported_cards/troika.c
+++ b/applications/main/nfc/plugins/supported_cards/troika.c
@@ -211,11 +211,11 @@ static bool troika_parse(const NfcDevice* device, FuriString* parsed_data) {
 
         if(result2) {
             furi_string_cat_printf(
-                parsed_data, "\e#Ediniy\n%s\n", furi_string_get_cstr(ground_result));
+                parsed_data, "\n\e#Ediniy\n%s\n", furi_string_get_cstr(ground_result));
         }
 
         if(result3) {
-            furi_string_cat_printf(parsed_data, "\e#TAT\n%s\n", furi_string_get_cstr(tat_result));
+            furi_string_cat_printf(parsed_data, "\n\e#TAT\n%s", furi_string_get_cstr(tat_result));
         }
 
         furi_string_free(tat_result);
diff --git a/applications/services/gui/icon_animation.c b/applications/services/gui/icon_animation.c
index c33c2042d..f887b90ac 100644
--- a/applications/services/gui/icon_animation.c
+++ b/applications/services/gui/icon_animation.c
@@ -70,7 +70,7 @@ uint8_t icon_animation_get_height(const IconAnimation* instance) {
 void icon_animation_start(IconAnimation* instance) {
     furi_check(instance);
 
-    if(!instance->animating && instance->icon->frame_rate && instance->icon->frame_count > 1) {
+    if(!instance->animating) {
         instance->animating = true;
         furi_assert(instance->icon->frame_rate);
         furi_check(
diff --git a/applications/services/gui/modules/menu.c b/applications/services/gui/modules/menu.c
index 2b3d8dba5..da4a84cbd 100644
--- a/applications/services/gui/modules/menu.c
+++ b/applications/services/gui/modules/menu.c
@@ -73,13 +73,11 @@ static void menu_centered_icon(
     size_t y,
     size_t width,
     size_t height) {
-    if(item->icon) {
-        canvas_draw_icon_animation(
-            canvas,
-            x + (width - item->icon->icon->width) / 2,
-            y + (height - item->icon->icon->height) / 2,
-            item->icon);
-    }
+    canvas_draw_icon_animation(
+        canvas,
+        x + (width - item->icon->icon->width) / 2,
+        y + (height - item->icon->icon->height) / 2,
+        item->icon);
 }
 
 static size_t menu_scroll_counter(MenuModel* model, bool selected) {
@@ -482,8 +480,8 @@ static void menu_enter(void* context) {
         menu->view,
         MenuModel * model,
         {
-            MenuItem* item = MenuItemArray_get(model->items, model->position);
-            if(item && item->icon) {
+            if(MenuItemArray_size(model->items)) {
+                MenuItem* item = MenuItemArray_get(model->items, model->position);
                 icon_animation_start(item->icon);
             }
             model->scroll_counter = 0;
@@ -498,8 +496,8 @@ static void menu_exit(void* context) {
         menu->view,
         MenuModel * model,
         {
-            MenuItem* item = MenuItemArray_get(model->items, model->position);
-            if(item && item->icon) {
+            if(MenuItemArray_size(model->items)) {
+                MenuItem* item = MenuItemArray_get(model->items, model->position);
                 icon_animation_stop(item->icon);
             }
         },
@@ -603,14 +601,10 @@ void menu_set_selected_item(Menu* menu, uint32_t index) {
                 model->scroll_counter = 0;
 
                 MenuItem* item = MenuItemArray_get(model->items, model->position);
-                if(item && item->icon) {
-                    icon_animation_stop(item->icon);
-                }
+                icon_animation_stop(item->icon);
 
                 item = MenuItemArray_get(model->items, index);
-                if(item && item->icon) {
-                    icon_animation_start(item->icon);
-                }
+                icon_animation_start(item->icon);
 
                 model->position = index;
             }
@@ -831,7 +825,7 @@ static void menu_process_ok(Menu* menu) {
         menu->view,
         MenuModel * model,
         {
-            if(model->position < MenuItemArray_size(model->items)) {
+            if(MenuItemArray_size(model->items)) {
                 item = MenuItemArray_get(model->items, model->position);
             }
         },
diff --git a/applications/system/findmy/findmy_i.h b/applications/system/findmy/findmy_i.h
index b4ffa5c50..1d1178d58 100644
--- a/applications/system/findmy/findmy_i.h
+++ b/applications/system/findmy/findmy_i.h
@@ -38,7 +38,6 @@ struct FindMy {
 
     uint8_t mac_buf[EXTRA_BEACON_MAC_ADDR_SIZE];
     uint8_t packet_buf[EXTRA_BEACON_MAX_DATA_SIZE];
-    uint8_t battery_level;
 
     FindMyState state;
 };
diff --git a/applications/system/findmy/findmy_state.c b/applications/system/findmy/findmy_state.c
index b1b1e272a..8a60a312e 100644
--- a/applications/system/findmy/findmy_state.c
+++ b/applications/system/findmy/findmy_state.c
@@ -42,13 +42,6 @@ bool findmy_state_load(FindMyState* out_state) {
             }
             state.tag_type = tmp;
 
-            if(!flipper_format_read_uint32(file, "battery_level", &tmp, 1)) {
-                tmp = 0x00; // Default battery level set to Full
-                flipper_format_rewind(file);
-            }
-            FURI_LOG_I("findmy_load", "Saved Battery: %ld", tmp);
-            state.battery_level = tmp;
-
             if(!flipper_format_read_hex(file, "mac", state.mac, sizeof(state.mac))) break;
 
             if(!flipper_format_read_hex(
@@ -171,9 +164,6 @@ void findmy_state_save(FindMyState* state) {
         tmp = state->tag_type;
         if(!flipper_format_write_uint32(file, "tag_type", &tmp, 1)) break;
 
-        tmp = state->battery_level;
-        if(!flipper_format_write_uint32(file, "battery_level", &tmp, 1)) break;
-
         if(!flipper_format_write_bool(file, "show_mac", &state->show_mac, 1)) break;
 
         if(!flipper_format_write_hex(file, "mac", state->mac, sizeof(state->mac))) break;
diff --git a/applications/system/js_app/modules/js_widget.c b/applications/system/js_app/modules/js_widget.c
index 830474d92..a27c55c1e 100644
--- a/applications/system/js_app/modules/js_widget.c
+++ b/applications/system/js_app/modules/js_widget.c
@@ -917,9 +917,8 @@ static void widget_remove_view(void* context) {
                 ComponentArray_it(it, model->component);
                 while(!ComponentArray_end_p(it)) {
                     WidgetComponent* component = *ComponentArray_ref(it);
-                    if(component->free) {
+                    if(component && component->free) {
                         component->free(component);
-                        component->free = NULL;
                     }
                     ComponentArray_next(it);
                 }
@@ -1003,6 +1002,7 @@ static void js_widget_destroy(void* inst) {
         view_dispatcher_stop(widget->view_dispatcher);
         widget_deinit(widget);
     }
+
     widget_remove_view(widget);
     free(widget);
 }
diff --git a/lib/nfc/protocols/iso14443_4a/iso14443_4a_poller_i.c b/lib/nfc/protocols/iso14443_4a/iso14443_4a_poller_i.c
index 4caeb7bfd..697abd2f2 100644
--- a/lib/nfc/protocols/iso14443_4a/iso14443_4a_poller_i.c
+++ b/lib/nfc/protocols/iso14443_4a/iso14443_4a_poller_i.c
@@ -7,6 +7,10 @@
 #define TAG "Iso14443_4aPoller"
 
 #define ISO14443_4A_FSDI_256 (0x8U)
+#define ISO14443_4A_FWT_MAX (4096UL << 14)
+#define ISO14443_4A_WTXM_MASK (0x3FU)
+#define ISO14443_4A_WTXM_MAX (0x3BU)
+#define ISO14443_4A_SWTX (0xF2U)
 #define ISO14443_4A_SEND_BLOCK_MAX_ATTEMPTS (20)
 
 Iso14443_4aError iso14443_4a_poller_halt(Iso14443_4aPoller* instance) {
@@ -75,9 +79,35 @@ Iso14443_4aError iso14443_4a_poller_send_block(
         if(iso14443_3a_error != Iso14443_3aErrorNone) {
             error = iso14443_4a_process_error(iso14443_3a_error);
             break;
+        }
 
-        } else if(!iso14443_4_layer_decode_block(
-                      instance->iso14443_4_layer, rx_buffer, instance->rx_buffer)) {
+        if(bit_buffer_starts_with_byte(instance->rx_buffer, ISO14443_4A_SWTX)) {
+            do {
+                uint8_t wtxm = bit_buffer_get_byte(instance->rx_buffer, 1) & ISO14443_4A_WTXM_MASK;
+                if(wtxm > ISO14443_4A_WTXM_MAX) {
+                    return Iso14443_4aErrorProtocol;
+                }
+
+                bit_buffer_reset(instance->tx_buffer);
+                bit_buffer_copy_left(instance->tx_buffer, instance->rx_buffer, 1);
+                bit_buffer_append_byte(instance->tx_buffer, wtxm);
+
+                iso14443_3a_error = iso14443_3a_poller_send_standard_frame(
+                    instance->iso14443_3a_poller,
+                    instance->tx_buffer,
+                    instance->rx_buffer,
+                    MAX(iso14443_4a_get_fwt_fc_max(instance->data) * wtxm, ISO14443_4A_FWT_MAX));
+
+                if(iso14443_3a_error != Iso14443_3aErrorNone) {
+                    error = iso14443_4a_process_error(iso14443_3a_error);
+                    return error;
+                }
+
+            } while(bit_buffer_starts_with_byte(instance->rx_buffer, ISO14443_4A_SWTX));
+        }
+
+        if(!iso14443_4_layer_decode_block(
+               instance->iso14443_4_layer, rx_buffer, instance->rx_buffer)) {
             error = Iso14443_4aErrorProtocol;
             break;
         }