diff --git a/applications/subghz/scenes/subghz_scene_read_raw.c b/applications/subghz/scenes/subghz_scene_read_raw.c
index 5323bfe58..93991cd8d 100644
--- a/applications/subghz/scenes/subghz_scene_read_raw.c
+++ b/applications/subghz/scenes/subghz_scene_read_raw.c
@@ -25,7 +25,7 @@ bool subghz_scene_read_raw_update_filename(SubGhz* subghz) {
             break;
         }
 
-        strncpy(subghz->file_path, string_get_cstr(temp_str), SUBGHZ_MAX_LEN_NAME);
+        string_set(subghz->file_path, temp_str);
 
         ret = true;
     } while(false);
@@ -75,13 +75,13 @@ void subghz_scene_read_raw_on_enter(void* context) {
         subghz_read_raw_set_status(subghz->subghz_read_raw, SubGhzReadRAWStatusIDLE, "");
         break;
     case SubGhzRxKeyStateRAWLoad:
-        path_extract_filename_no_ext(subghz->file_path, file_name);
+        path_extract_filename(subghz->file_path, file_name, true);
         subghz_read_raw_set_status(
             subghz->subghz_read_raw, SubGhzReadRAWStatusLoadKeyTX, string_get_cstr(file_name));
         subghz->txrx->rx_key_state = SubGhzRxKeyStateIDLE;
         break;
     case SubGhzRxKeyStateRAWSave:
-        path_extract_filename_no_ext(subghz->file_path, file_name);
+        path_extract_filename(subghz->file_path, file_name, true);
         subghz_read_raw_set_status(
             subghz->subghz_read_raw, SubGhzReadRAWStatusSaveKey, string_get_cstr(file_name));
         subghz->txrx->rx_key_state = SubGhzRxKeyStateIDLE;
@@ -170,10 +170,6 @@ bool subghz_scene_read_raw_on_event(void* context, SceneManagerEvent event) {
 
         case SubGhzCustomEventViewReadRAWErase:
             subghz->txrx->rx_key_state = SubGhzRxKeyStateIDLE;
-            if(subghz_scene_read_raw_update_filename(subghz)) {
-                strncpy(subghz->file_path_tmp, subghz->file_path, SUBGHZ_MAX_LEN_NAME);
-                subghz_delete_file(subghz);
-            }
             notification_message(subghz->notifications, &sequence_reset_rgb);
             return true;
             break;
@@ -253,7 +249,7 @@ bool subghz_scene_read_raw_on_event(void* context, SceneManagerEvent event) {
             );
 
             string_printf(
-                temp_str, "%s/%s%s", SUBGHZ_RAW_FOLDER, strings[0], SUBGHZ_APP_EXTENSION);
+                temp_str, "%s/%s%s", SUBGHZ_RAW_FOLDER, RAW_FILE_NAME, SUBGHZ_APP_EXTENSION);
             subghz_protocol_raw_gen_fff_data(subghz->txrx->fff_data, string_get_cstr(temp_str));
             string_clear(temp_str);
 
@@ -284,7 +280,7 @@ bool subghz_scene_read_raw_on_event(void* context, SceneManagerEvent event) {
 
                 if(subghz_protocol_raw_save_to_file_init(
                        (SubGhzProtocolDecoderRAW*)subghz->txrx->decoder_result,
-                       strings[0],
+                       RAW_FILE_NAME,,
                        subghz->txrx->frequency,
                        subghz->txrx->preset)) {
                     DOLPHIN_DEED(DolphinDeedSubGhzRawRec);
@@ -296,7 +292,7 @@ bool subghz_scene_read_raw_on_event(void* context, SceneManagerEvent event) {
                     subghz->state_notifications = SubGhzNotificationStateRx;
                     subghz->txrx->rx_key_state = SubGhzRxKeyStateAddKey;
                 } else {
-                    string_set(subghz->error_str, "Function requires\nan SD card.");
+                    string_set_str(subghz->error_str, "Function requires\nan SD card.");
                     scene_manager_next_scene(subghz->scene_manager, SubGhzSceneShowError);
                 }
             }
@@ -350,4 +346,4 @@ void subghz_scene_read_raw_on_exit(void* context) {
 
     //filter restoration
     subghz_receiver_set_filter(subghz->txrx->receiver, SubGhzProtocolFlag_Decodable);
-}
+}
\ No newline at end of file
diff --git a/applications/subghz/scenes/subghz_scene_set_type.c b/applications/subghz/scenes/subghz_scene_set_type.c
index 206863f4d..a2034e976 100644
--- a/applications/subghz/scenes/subghz_scene_set_type.c
+++ b/applications/subghz/scenes/subghz_scene_set_type.c
@@ -49,7 +49,7 @@ bool subghz_scene_set_type_submenu_gen_data_protocol(
         subghz_receiver_search_decoder_base_by_name(subghz->txrx->receiver, protocol_name);
 
     if(subghz->txrx->decoder_result == NULL) {
-        string_set(subghz->error_str, "Protocol not found");
+        string_set_str(subghz->error_str, "Protocol not found");
         scene_manager_next_scene(subghz->scene_manager, SubGhzSceneShowErrorSub);
         return false;
     }
@@ -340,7 +340,7 @@ bool subghz_scene_set_type_on_event(void* context, SceneManagerEvent event) {
             }
             subghz_transmitter_free(subghz->txrx->transmitter);
             if(!generated_protocol) {
-                string_set(
+                string_set_str(
                     subghz->error_str, "Function requires\nan SD card with\nfresh databases.");
                 scene_manager_next_scene(subghz->scene_manager, SubGhzSceneShowError);
             }
@@ -364,7 +364,7 @@ bool subghz_scene_set_type_on_event(void* context, SceneManagerEvent event) {
             }
             subghz_transmitter_free(subghz->txrx->transmitter);
             if(!generated_protocol) {
-                string_set(
+                string_set_str(
                     subghz->error_str, "Function requires\nan SD card with\nfresh databases.");
                 scene_manager_next_scene(subghz->scene_manager, SubGhzSceneShowError);
             }
@@ -472,4 +472,4 @@ bool subghz_scene_set_type_on_event(void* context, SceneManagerEvent event) {
 void subghz_scene_set_type_on_exit(void* context) {
     SubGhz* subghz = context;
     submenu_reset(subghz->submenu);
-}
+}
\ No newline at end of file
diff --git a/applications/subghz/subghz.c b/applications/subghz/subghz.c
index 99c9db452..2dd573eee 100644
--- a/applications/subghz/subghz.c
+++ b/applications/subghz/subghz.c
@@ -1,5 +1,7 @@
 /* Abandon hope, all ye who enter here. */
 
+#include "m-string.h"
+#include "subghz/types.h"
 #include "subghz_i.h"
 #include <lib/toolbox/path.h>
 
@@ -24,6 +26,9 @@ void subghz_tick_event_callback(void* context) {
 SubGhz* subghz_alloc() {
     SubGhz* subghz = malloc(sizeof(SubGhz));
 
+    string_init(subghz->file_path);
+    string_init(subghz->file_path_tmp);
+
     // GUI
     subghz->gui = furi_record_open("gui");
 
@@ -251,9 +256,9 @@ void subghz_free(SubGhz* subghz) {
     furi_record_close("notification");
     subghz->notifications = NULL;
 
-    // About birds
-    furi_assert(subghz->file_path[SUBGHZ_MAX_LEN_NAME] == 0);
-    furi_assert(subghz->file_path_tmp[SUBGHZ_MAX_LEN_NAME] == 0);
+    // Path strings
+    string_clear(subghz->file_path);
+    string_clear(subghz->file_path_tmp);
 
     // The rest
     free(subghz);
@@ -270,7 +275,7 @@ int32_t subghz_app(void* p) {
     // Check argument and run corresponding scene
     if(p) {
         if(subghz_key_load(subghz, p)) {
-            strncpy(subghz->file_path, p, SUBGHZ_MAX_LEN_NAME);
+            string_set_str(subghz->file_path, p);
 
             if((!strcmp(subghz->txrx->decoder_result->protocol->name, "RAW"))) {
                 //Load Raw TX
@@ -286,12 +291,13 @@ int32_t subghz_app(void* p) {
             view_dispatcher_stop(subghz->view_dispatcher);
         }
     } else {
+        string_set_str(subghz->file_path, SUBGHZ_APP_FOLDER);
         if(load_database) {
             scene_manager_next_scene(subghz->scene_manager, SubGhzSceneStart);
         } else {
             scene_manager_set_scene_state(
                 subghz->scene_manager, SubGhzSceneShowError, SubGhzCustomEventManagerSet);
-            string_set(
+            string_set_str(
                 subghz->error_str,
                 "No SD card or\ndatabase found.\nSome app function\nmay be reduced.");
             scene_manager_next_scene(subghz->scene_manager, SubGhzSceneShowError);
@@ -307,4 +313,4 @@ int32_t subghz_app(void* p) {
     subghz_free(subghz);
 
     return 0;
-}
+}
\ No newline at end of file
diff --git a/applications/subghz/subghz_i.h b/applications/subghz/subghz_i.h
index b1a932836..8a2f0b8bc 100644
--- a/applications/subghz/subghz_i.h
+++ b/applications/subghz/subghz_i.h
@@ -36,7 +36,7 @@
 #include <gui/modules/variable_item_list.h>
 #include <lib/toolbox/path.h>
 
-#define SUBGHZ_MAX_LEN_NAME 250
+#define SUBGHZ_MAX_LEN_NAME 64
 
 /** SubGhzNotification state */
 typedef enum {
@@ -128,10 +128,9 @@ struct SubGhz {
     ByteInput* byte_input;
     Widget* widget;
     DialogsApp* dialogs;
-    char file_path[SUBGHZ_MAX_LEN_NAME + 1];
-    char file_path_tmp[SUBGHZ_MAX_LEN_NAME + 1];
-    //ToDo you can get rid of it, you need to refactor text input to return the path to the folder
-    char file_dir[SUBGHZ_MAX_LEN_NAME + 1];
+    string_t file_path;
+    string_t file_path_tmp;
+    char file_name_tmp[SUBGHZ_MAX_LEN_NAME];
     SubGhzNotificationState state_notifications;
 
     SubGhzViewReceiver* subghz_receiver;
@@ -183,5 +182,6 @@ bool subghz_load_protocol_from_file(SubGhz* subghz);
 bool subghz_rename_file(SubGhz* subghz);
 bool subghz_delete_file(SubGhz* subghz);
 void subghz_file_name_clear(SubGhz* subghz);
+bool subghz_path_is_file(string_t path);
 uint32_t subghz_random_serial(void);
-void subghz_hopper_update(SubGhz* subghz);
+void subghz_hopper_update(SubGhz* subghz);
\ No newline at end of file