diff --git a/applications/main/infrared/infrared_brute_force.c b/applications/main/infrared/infrared_brute_force.c
index 89272de7e..e9bf1a140 100644
--- a/applications/main/infrared/infrared_brute_force.c
+++ b/applications/main/infrared/infrared_brute_force.c
@@ -23,34 +23,41 @@ struct InfraredBruteForce {
     FlipperFormat* ff;
     const char* db_filename;
     string_t current_record_name;
+    InfraredSignal* current_signal;
     InfraredBruteForceRecordDict_t records;
+    bool is_started;
 };
 
 InfraredBruteForce* infrared_brute_force_alloc() {
     InfraredBruteForce* brute_force = malloc(sizeof(InfraredBruteForce));
     brute_force->ff = NULL;
     brute_force->db_filename = NULL;
+    brute_force->current_signal = NULL;
+    brute_force->is_started = false;
     string_init(brute_force->current_record_name);
     InfraredBruteForceRecordDict_init(brute_force->records);
     return brute_force;
 }
 
 void infrared_brute_force_clear_records(InfraredBruteForce* brute_force) {
+    furi_assert(!brute_force->is_started);
     InfraredBruteForceRecordDict_reset(brute_force->records);
 }
 
 void infrared_brute_force_free(InfraredBruteForce* brute_force) {
-    furi_assert(!brute_force->ff);
+    furi_assert(!brute_force->is_started);
     InfraredBruteForceRecordDict_clear(brute_force->records);
     string_clear(brute_force->current_record_name);
     free(brute_force);
 }
 
 void infrared_brute_force_set_db_filename(InfraredBruteForce* brute_force, const char* db_filename) {
+    furi_assert(!brute_force->is_started);
     brute_force->db_filename = db_filename;
 }
 
 bool infrared_brute_force_calculate_messages(InfraredBruteForce* brute_force) {
+    furi_assert(!brute_force->is_started);
     furi_assert(brute_force->db_filename);
     bool success = false;
 
@@ -80,6 +87,7 @@ bool infrared_brute_force_start(
     InfraredBruteForce* brute_force,
     uint32_t index,
     uint32_t* record_count) {
+    furi_assert(!brute_force->is_started);
     bool success = false;
     *record_count = 0;
 
@@ -100,50 +108,37 @@ bool infrared_brute_force_start(
     if(*record_count) {
         Storage* storage = furi_record_open(RECORD_STORAGE);
         brute_force->ff = flipper_format_buffered_file_alloc(storage);
+        brute_force->current_signal = infrared_signal_alloc();
+        brute_force->is_started = true;
         success =
             flipper_format_buffered_file_open_existing(brute_force->ff, brute_force->db_filename);
-        if(!success) {
-            flipper_format_free(brute_force->ff);
-            brute_force->ff = NULL;
-            furi_record_close(RECORD_STORAGE);
-        }
+        if(!success) infrared_brute_force_stop(brute_force);
     }
     return success;
 }
 
 bool infrared_brute_force_is_started(InfraredBruteForce* brute_force) {
-    return brute_force->ff;
+    return brute_force->is_started;
 }
 
 void infrared_brute_force_stop(InfraredBruteForce* brute_force) {
-    furi_assert(string_size(brute_force->current_record_name));
-    furi_assert(brute_force->ff);
-
+    furi_assert(brute_force->is_started);
     string_reset(brute_force->current_record_name);
+    infrared_signal_free(brute_force->current_signal);
     flipper_format_free(brute_force->ff);
-    furi_record_close(RECORD_STORAGE);
+    brute_force->current_signal = NULL;
     brute_force->ff = NULL;
+    brute_force->is_started = false;
+    furi_record_close(RECORD_STORAGE);
 }
 
 bool infrared_brute_force_send_next(InfraredBruteForce* brute_force) {
-    furi_assert(string_size(brute_force->current_record_name));
-    furi_assert(brute_force->ff);
-    bool success = false;
-
-    string_t signal_name;
-    string_init(signal_name);
-    InfraredSignal* signal = infrared_signal_alloc();
-
-    do {
-        success = infrared_signal_read(signal, brute_force->ff, signal_name);
-    } while(success && !string_equal_p(brute_force->current_record_name, signal_name));
-
+    furi_assert(brute_force->is_started);
+    const bool success = infrared_signal_search_and_read(
+        brute_force->current_signal, brute_force->ff, brute_force->current_record_name);
     if(success) {
-        infrared_signal_transmit(signal);
+        infrared_signal_transmit(brute_force->current_signal);
     }
-
-    infrared_signal_free(signal);
-    string_clear(signal_name);
     return success;
 }
 
diff --git a/applications/main/infrared/infrared_signal.c b/applications/main/infrared/infrared_signal.c
index b76717dd3..f2e359c8a 100644
--- a/applications/main/infrared/infrared_signal.c
+++ b/applications/main/infrared/infrared_signal.c
@@ -146,6 +146,26 @@ static inline bool infrared_signal_read_raw(InfraredSignal* signal, FlipperForma
     return success;
 }
 
+static bool infrared_signal_read_body(InfraredSignal* signal, FlipperFormat* ff) {
+    string_t tmp;
+    string_init(tmp);
+    bool success = false;
+
+    do {
+        if(!flipper_format_read_string(ff, "type", tmp)) break;
+        if(string_equal_p(tmp, "raw")) {
+            success = infrared_signal_read_raw(signal, ff);
+        } else if(string_equal_p(tmp, "parsed")) {
+            success = infrared_signal_read_message(signal, ff);
+        } else {
+            FURI_LOG_E(TAG, "Unknown signal type");
+        }
+    } while(false);
+
+    string_clear(tmp);
+    return success;
+}
+
 InfraredSignal* infrared_signal_alloc() {
     InfraredSignal* signal = malloc(sizeof(InfraredSignal));
 
@@ -227,24 +247,41 @@ bool infrared_signal_save(InfraredSignal* signal, FlipperFormat* ff, const char*
 }
 
 bool infrared_signal_read(InfraredSignal* signal, FlipperFormat* ff, string_t name) {
-    string_t buf;
-    string_init(buf);
+    string_t tmp;
+    string_init(tmp);
     bool success = false;
 
     do {
-        if(!flipper_format_read_string(ff, "name", buf)) break;
-        string_set(name, buf);
-        if(!flipper_format_read_string(ff, "type", buf)) break;
-        if(!string_cmp_str(buf, "raw")) {
-            success = infrared_signal_read_raw(signal, ff);
-        } else if(!string_cmp_str(buf, "parsed")) {
-            success = infrared_signal_read_message(signal, ff);
-        } else {
-            FURI_LOG_E(TAG, "Unknown type of signal (allowed - raw/parsed) ");
-        }
+        if(!flipper_format_read_string(ff, "name", tmp)) break;
+        string_set(name, tmp);
+        if(!infrared_signal_read_body(signal, ff)) break;
+        success = true;
     } while(0);
 
-    string_clear(buf);
+    string_clear(tmp);
+    return success;
+}
+
+bool infrared_signal_search_and_read(
+    InfraredSignal* signal,
+    FlipperFormat* ff,
+    const string_t name) {
+    bool success = false;
+    string_t tmp;
+    string_init(tmp);
+
+    do {
+        bool is_name_found = false;
+        while(flipper_format_read_string(ff, "name", tmp)) {
+            is_name_found = string_equal_p(name, tmp);
+            if(is_name_found) break;
+        }
+        if(!is_name_found) break;
+        if(!infrared_signal_read_body(signal, ff)) break;
+        success = true;
+    } while(false);
+
+    string_clear(tmp);
     return success;
 }
 
diff --git a/applications/main/infrared/infrared_signal.h b/applications/main/infrared/infrared_signal.h
index 2dbaa75fa..ad2f5d57a 100644
--- a/applications/main/infrared/infrared_signal.h
+++ b/applications/main/infrared/infrared_signal.h
@@ -37,5 +37,9 @@ InfraredMessage* infrared_signal_get_message(InfraredSignal* signal);
 
 bool infrared_signal_save(InfraredSignal* signal, FlipperFormat* ff, const char* name);
 bool infrared_signal_read(InfraredSignal* signal, FlipperFormat* ff, string_t name);
+bool infrared_signal_search_and_read(
+    InfraredSignal* signal,
+    FlipperFormat* ff,
+    const string_t name);
 
 void infrared_signal_transmit(InfraredSignal* signal);
diff --git a/lib/nfc/protocols/mifare_desfire.c b/lib/nfc/protocols/mifare_desfire.c
index 1822d5c1a..f969cdde6 100644
--- a/lib/nfc/protocols/mifare_desfire.c
+++ b/lib/nfc/protocols/mifare_desfire.c
@@ -209,8 +209,24 @@ void mf_df_cat_file(MifareDesfireFile* file, string_t out) {
     uint8_t* data = file->contents;
     if(data) {
         for(int rec = 0; rec < num; rec++) {
-            for(int ch = 0; ch < size; ch++) {
-                string_cat_printf(out, "%02x", data[rec * size + ch]);
+            string_cat_printf(out, "record %d\n", rec);
+            for(int ch = 0; ch < size; ch += 4) {
+                string_cat_printf(out, "%03x|", ch);
+                for(int i = 0; i < 4; i++) {
+                    if(ch + i < size) {
+                        string_cat_printf(out, "%02x ", data[rec * size + ch + i]);
+                    } else {
+                        string_cat_printf(out, "   ");
+                    }
+                }
+                for(int i = 0; i < 4 && ch + i < size; i++) {
+                    if(isprint(data[rec * size + ch + i])) {
+                        string_cat_printf(out, "%c", data[rec * size + ch + i]);
+                    } else {
+                        string_cat_printf(out, ".");
+                    }
+                }
+                string_cat_printf(out, "\n");
             }
             string_cat_printf(out, " \n");
         }