diff --git a/applications/services/bt/application.fam b/applications/services/bt/application.fam
index fe3a3c7a1..a4c86c3c9 100644
--- a/applications/services/bt/application.fam
+++ b/applications/services/bt/application.fam
@@ -12,7 +12,7 @@ App(
         "bt_settings",
     ],
     stack_size=1 * 1024,
-    order=1000,
+    order=20,
     sdk_headers=["bt_service/bt.h", "bt_service/bt_keys_storage.h"],
 )
 
diff --git a/applications/services/bt/bt_service/bt.c b/applications/services/bt/bt_service/bt.c
index a99568da5..acc8dc90c 100644
--- a/applications/services/bt/bt_service/bt.c
+++ b/applications/services/bt/bt_service/bt.c
@@ -522,19 +522,6 @@ static void bt_init_keys_settings(Bt* bt) {
     bt_handle_reload_keys_settings(bt);
 }
 
-bool bt_remote_rssi(Bt* bt, uint8_t* rssi) {
-    furi_assert(bt);
-
-    uint8_t rssi_val;
-    uint32_t since = furi_hal_bt_get_conn_rssi(&rssi_val);
-
-    if(since == 0) return false;
-
-    *rssi = rssi_val;
-
-    return true;
-}
-
 int32_t bt_srv(void* p) {
     UNUSED(p);
     Bt* bt = bt_alloc();
diff --git a/applications/services/bt/bt_service/bt.h b/applications/services/bt/bt_service/bt.h
index 0f2f23c1a..270922543 100644
--- a/applications/services/bt/bt_service/bt.h
+++ b/applications/services/bt/bt_service/bt.h
@@ -79,26 +79,6 @@ void bt_keys_storage_set_storage_path(Bt* bt, const char* keys_storage_path);
  */
 void bt_keys_storage_set_default_path(Bt* bt);
 
-/** Get BLE remote RSSI value
- *
- * @param bt    Bt instance
- *
- * @return      true on success
- */
-bool bt_remote_rssi(Bt* bt, uint8_t* rssi);
-
-/** Open a new RPC connection
- *
- * @param bt                    Bt instance
- */
-void bt_open_rpc_connection(Bt* bt);
-
-/** Close the active RPC connection
- *
- * @param bt                    Bt instance
- */
-void bt_close_rpc_connection(Bt* bt);
-
 #ifdef __cplusplus
 }
 #endif
diff --git a/applications/services/bt/bt_service/bt_i.h b/applications/services/bt/bt_service/bt_i.h
index 2ee5e971a..0077f6e51 100644
--- a/applications/services/bt/bt_service/bt_i.h
+++ b/applications/services/bt/bt_service/bt_i.h
@@ -89,3 +89,15 @@ struct Bt {
 
     bool suppress_pin_screen;
 };
+
+/** Open a new RPC connection
+ *
+ * @param bt                    Bt instance
+ */
+void bt_open_rpc_connection(Bt* bt);
+
+/** Close the active RPC connection
+ *
+ * @param bt                    Bt instance
+ */
+void bt_close_rpc_connection(Bt* bt);
diff --git a/applications/system/updater/util/update_task_worker_backup.c b/applications/system/updater/util/update_task_worker_backup.c
index 0081de21d..4dff5fbcf 100644
--- a/applications/system/updater/util/update_task_worker_backup.c
+++ b/applications/system/updater/util/update_task_worker_backup.c
@@ -138,17 +138,6 @@ static bool update_task_post_update(UpdateTask* update_task) {
 
         CHECK_RESULT(int_backup_unpack(update_task->storage, furi_string_get_cstr(file_path)));
 
-        // Fix flags for production / development
-#ifdef FURI_DEBUG
-        furi_hal_rtc_set_flag(FuriHalRtcFlagDebug);
-        furi_hal_rtc_set_flag(FuriHalRtcFlagLegacySleep);
-#else
-        furi_hal_rtc_reset_flag(FuriHalRtcFlagDebug);
-        furi_hal_rtc_reset_flag(FuriHalRtcFlagLegacySleep);
-        furi_hal_rtc_set_log_level(FuriLogLevelNone);
-        furi_hal_rtc_set_heap_track_mode(FuriHalRtcHeapTrackModeNone);
-#endif
-
         if(update_task->state.groups & UpdateTaskStageGroupResources) {
             path_concat(
                 furi_string_get_cstr(update_task->update_path),
diff --git a/applications/system/updater/util/update_task_worker_flasher.c b/applications/system/updater/util/update_task_worker_flasher.c
index f587f7447..14a8bc39e 100644
--- a/applications/system/updater/util/update_task_worker_flasher.c
+++ b/applications/system/updater/util/update_task_worker_flasher.c
@@ -343,7 +343,17 @@ int32_t update_task_worker_flash_writer(void* context) {
         furi_hal_rtc_set_boot_mode(FuriHalRtcBootModePostUpdate);
         // Clean up /int before restoring backup on next boot
         furi_hal_rtc_set_flag(FuriHalRtcFlagStorageFormatInternal);
-
+#ifdef FURI_DEBUG
+        // Development
+        furi_hal_rtc_set_flag(FuriHalRtcFlagDebug);
+        furi_hal_rtc_set_flag(FuriHalRtcFlagLegacySleep);
+#else
+        // Production
+        furi_hal_rtc_set_log_level(FuriLogLevelNone);
+        furi_hal_rtc_reset_flag(FuriHalRtcFlagDebug);
+        furi_hal_rtc_reset_flag(FuriHalRtcFlagLegacySleep);
+        furi_hal_rtc_set_heap_track_mode(FuriHalRtcHeapTrackModeNone);
+#endif
         update_task_set_progress(update_task, UpdateTaskStageCompleted, 100);
         success = true;
     } while(false);
diff --git a/lib/flipper_application/elf/elf_file.c b/lib/flipper_application/elf/elf_file.c
index 5eab0efdd..bd8ecdf7e 100644
--- a/lib/flipper_application/elf/elf_file.c
+++ b/lib/flipper_application/elf/elf_file.c
@@ -832,9 +832,7 @@ void elf_file_free(ELFFile* elf) {
             const ELFSectionDict_itref_t* itref = ELFSectionDict_cref(it);
             aligned_free(itref->value.data);
             if(itref->value.fast_rel) {
-                if(itref->value.fast_rel->data) {
-                    aligned_free(itref->value.fast_rel->data);
-                }
+                aligned_free(itref->value.fast_rel->data);
                 free(itref->value.fast_rel);
             }
             free((void*)itref->key);
diff --git a/lib/lfrfid/protocols/lfrfid_protocols.c b/lib/lfrfid/protocols/lfrfid_protocols.c
index 69a62c6d6..cbb1e15a3 100644
--- a/lib/lfrfid/protocols/lfrfid_protocols.c
+++ b/lib/lfrfid/protocols/lfrfid_protocols.c
@@ -25,8 +25,8 @@
 
 const ProtocolBase* const lfrfid_protocols[] = {
     [LFRFIDProtocolEM4100] = &protocol_em4100,
-    [LFRFIDProtocolEM4100_32] = &protocol_em4100_32,
-    [LFRFIDProtocolEM4100_16] = &protocol_em4100_16,
+    [LFRFIDProtocolEM410032] = &protocol_em4100_32,
+    [LFRFIDProtocolEM410016] = &protocol_em4100_16,
     [LFRFIDProtocolElectra] = &protocol_electra,
     [LFRFIDProtocolH10301] = &protocol_h10301,
     [LFRFIDProtocolIdteck] = &protocol_idteck,
diff --git a/lib/lfrfid/protocols/lfrfid_protocols.h b/lib/lfrfid/protocols/lfrfid_protocols.h
index 1cab1917b..d6e13c2e4 100644
--- a/lib/lfrfid/protocols/lfrfid_protocols.h
+++ b/lib/lfrfid/protocols/lfrfid_protocols.h
@@ -10,8 +10,8 @@ typedef enum {
 
 typedef enum {
     LFRFIDProtocolEM4100,
-    LFRFIDProtocolEM4100_32,
-    LFRFIDProtocolEM4100_16,
+    LFRFIDProtocolEM410032,
+    LFRFIDProtocolEM410016,
     LFRFIDProtocolElectra,
     LFRFIDProtocolH10301,
     LFRFIDProtocolIdteck,
diff --git a/lib/subghz/devices/types.h b/lib/subghz/devices/types.h
index 3c34aaf0b..30822dc16 100644
--- a/lib/subghz/devices/types.h
+++ b/lib/subghz/devices/types.h
@@ -13,7 +13,7 @@
 #include <flipper_application/flipper_application.h>
 
 #define SUBGHZ_RADIO_DEVICE_PLUGIN_APP_ID      "subghz_radio_device"
-#define SUBGHZ_RADIO_DEVICE_PLUGIN_API_VERSION 2
+#define SUBGHZ_RADIO_DEVICE_PLUGIN_API_VERSION 1
 
 typedef struct SubGhzDeviceRegistry SubGhzDeviceRegistry;
 typedef struct SubGhzDevice SubGhzDevice;
diff --git a/lib/toolbox/saved_struct.c b/lib/toolbox/saved_struct.c
index 173aa4680..db7e4de6e 100644
--- a/lib/toolbox/saved_struct.c
+++ b/lib/toolbox/saved_struct.c
@@ -88,17 +88,12 @@ bool saved_struct_load(const char* path, void* data, size_t size, uint8_t magic,
     }
 
     if(result) {
-        size_t bytes_expected = sizeof(SavedStructHeader) + size;
-        uint64_t bytes_file = storage_file_size(file);
-        result = bytes_file == bytes_expected;
-        if(result) {
-            size_t bytes_count = storage_file_read(file, &header, sizeof(SavedStructHeader));
-            bytes_count += storage_file_read(file, data_read, size);
-            result = bytes_count == bytes_expected;
-        }
+        size_t bytes_count = storage_file_read(file, &header, sizeof(SavedStructHeader));
+        bytes_count += storage_file_read(file, data_read, size);
 
-        if(!result) {
+        if(bytes_count != (sizeof(SavedStructHeader) + size)) {
             FURI_LOG_E(TAG, "Size mismatch of file \"%s\"", path);
+            result = false;
         }
     }
 
diff --git a/targets/f7/api_symbols.csv b/targets/f7/api_symbols.csv
index d04c5291c..ba681b03b 100644
--- a/targets/f7/api_symbols.csv
+++ b/targets/f7/api_symbols.csv
@@ -787,7 +787,6 @@ Function,+,ble_svc_serial_start,BleServiceSerial*,
 Function,+,ble_svc_serial_stop,void,BleServiceSerial*
 Function,+,ble_svc_serial_update_tx,_Bool,"BleServiceSerial*, uint8_t*, uint16_t"
 Function,-,bsearch,void*,"const void*, const void*, size_t, size_t, __compar_fn_t"
-Function,-,bt_close_rpc_connection,void,Bt*
 Function,+,bt_disconnect,void,Bt*
 Function,+,bt_forget_bonded_devices,void,Bt*
 Function,+,bt_keys_storage_alloc,BtKeysStorage*,const char*
@@ -800,10 +799,8 @@ Function,+,bt_keys_storage_set_file_path,void,"BtKeysStorage*, const char*"
 Function,+,bt_keys_storage_set_ram_params,void,"BtKeysStorage*, uint8_t*, uint16_t"
 Function,+,bt_keys_storage_set_storage_path,void,"Bt*, const char*"
 Function,+,bt_keys_storage_update,_Bool,"BtKeysStorage*, uint8_t*, uint32_t"
-Function,-,bt_open_rpc_connection,void,Bt*
 Function,+,bt_profile_restore_default,_Bool,Bt*
 Function,+,bt_profile_start,FuriHalBleProfileBase*,"Bt*, const FuriHalBleProfileTemplate*, FuriHalBleProfileParams"
-Function,+,bt_remote_rssi,_Bool,"Bt*, uint8_t*"
 Function,+,bt_set_status_changed_callback,void,"Bt*, BtStatusChangedCallback, void*"
 Function,+,buffered_file_stream_alloc,Stream*,Storage*
 Function,+,buffered_file_stream_close,_Bool,Stream*
@@ -996,8 +993,8 @@ Function,+,dolphin_deed_get_weight,uint8_t,DolphinDeed
 Function,+,dolphin_flush,void,Dolphin*
 Function,+,dolphin_get_pubsub,FuriPubSub*,Dolphin*
 Function,+,dolphin_get_settings,void,"Dolphin*, DolphinSettings*"
-Function,+,dolphin_set_settings,void,"Dolphin*, DolphinSettings*"
 Function,+,dolphin_reload_state,void,Dolphin*
+Function,+,dolphin_set_settings,void,"Dolphin*, DolphinSettings*"
 Function,+,dolphin_stats,DolphinStats,Dolphin*
 Function,+,dolphin_upgrade_level,void,Dolphin*
 Function,-,dprintf,int,"int, const char*, ..."
@@ -1338,7 +1335,6 @@ Function,+,furi_hal_bt_extra_beacon_set_config,_Bool,const GapExtraBeaconConfig*
 Function,+,furi_hal_bt_extra_beacon_set_data,_Bool,"const uint8_t*, uint8_t"
 Function,+,furi_hal_bt_extra_beacon_start,_Bool,
 Function,+,furi_hal_bt_extra_beacon_stop,_Bool,
-Function,-,furi_hal_bt_get_conn_rssi,uint32_t,uint8_t*
 Function,+,furi_hal_bt_get_key_storage_buff,void,"uint8_t**, uint16_t*"
 Function,+,furi_hal_bt_get_radio_stack,FuriHalBtStack,
 Function,+,furi_hal_bt_get_rssi,float,
@@ -1346,7 +1342,6 @@ Function,+,furi_hal_bt_get_transmitted_packets,uint32_t,
 Function,-,furi_hal_bt_init,void,
 Function,+,furi_hal_bt_is_active,_Bool,
 Function,+,furi_hal_bt_is_alive,_Bool,
-Function,+,furi_hal_bt_is_connected,_Bool,
 Function,+,furi_hal_bt_is_gatt_gap_supported,_Bool,
 Function,+,furi_hal_bt_is_testing_supported,_Bool,
 Function,+,furi_hal_bt_lock_core2,void,
@@ -2014,7 +2009,6 @@ Function,-,gap_extra_beacon_set_config,_Bool,const GapExtraBeaconConfig*
 Function,-,gap_extra_beacon_set_data,_Bool,"const uint8_t*, uint8_t"
 Function,-,gap_extra_beacon_start,_Bool,
 Function,-,gap_extra_beacon_stop,_Bool,
-Function,-,gap_get_remote_conn_rssi,uint32_t,int8_t*
 Function,-,gap_get_state,GapState,
 Function,-,gap_init,_Bool,"GapConfig*, GapEventCallback, void*"
 Function,-,gap_start_advertising,void,
diff --git a/targets/f7/ble_glue/gap.c b/targets/f7/ble_glue/gap.c
index f5f7500ff..1fe898ea9 100644
--- a/targets/f7/ble_glue/gap.c
+++ b/targets/f7/ble_glue/gap.c
@@ -33,8 +33,6 @@ typedef struct {
     GapConfig* config;
     GapConnectionParams connection_params;
     GapState state;
-    int8_t conn_rssi;
-    uint32_t time_rssi_sample;
     FuriMutex* state_mutex;
     GapEventCallback on_event_cb;
     void* context;
@@ -65,19 +63,6 @@ static Gap* gap = NULL;
 static void gap_advertise_start(GapState new_state);
 static int32_t gap_app(void* context);
 
-/** function for updating rssi informations in global Gap object
- * 
-*/
-static inline void fetch_rssi(void) {
-    uint8_t ret_rssi = 127;
-    if(hci_read_rssi(gap->service.connection_handle, &ret_rssi) == BLE_STATUS_SUCCESS) {
-        gap->conn_rssi = (int8_t)ret_rssi;
-        gap->time_rssi_sample = furi_get_tick();
-        return;
-    }
-    FURI_LOG_D(TAG, "Failed to read RSSI");
-}
-
 static void gap_verify_connection_parameters(Gap* gap) {
     furi_check(gap);
 
@@ -181,9 +166,6 @@ BleEventFlowStatus ble_event_app_notification(void* pckt) {
             gap->connection_params.supervisor_timeout = event->Supervision_Timeout;
             FURI_LOG_I(TAG, "Connection parameters event complete");
             gap_verify_connection_parameters(gap);
-
-            // Save rssi for current connection
-            fetch_rssi();
             break;
         }
 
@@ -301,9 +283,6 @@ BleEventFlowStatus ble_event_app_notification(void* pckt) {
                     pairing_complete->Status);
                 aci_gap_terminate(gap->service.connection_handle, 5);
             } else {
-                // Save RSSI
-                fetch_rssi();
-
                 FURI_LOG_I(TAG, "Pairing complete");
                 GapEvent event = {.type = GapEventTypeConnected};
                 gap->on_event_cb(event, gap->context); //-V595
@@ -380,7 +359,7 @@ static void gap_init_svc(Gap* gap) {
     // Initialize GATT interface
     aci_gatt_init();
     // Initialize GAP interface
-    // Skip first symbol AD_TYPE_COMPLETE_LOCAL_NAME
+    // Skip fist symbol AD_TYPE_COMPLETE_LOCAL_NAME
     char* name = gap->service.adv_name + 1;
     aci_gap_init(
         GAP_PERIPHERAL_ROLE,
@@ -550,7 +529,7 @@ void gap_stop_advertising(void) {
     furi_check(furi_mutex_release(gap->state_mutex) == FuriStatusOk);
 }
 
-static void gap_advertise_timer_callback(void* context) {
+static void gap_advetise_timer_callback(void* context) {
     UNUSED(context);
     GapCommand command = GapCommandAdvLowPower;
     furi_check(furi_message_queue_put(gap->command_queue, &command, 0) == FuriStatusOk);
@@ -566,7 +545,7 @@ bool gap_init(GapConfig* config, GapEventCallback on_event_cb, void* context) {
     gap = malloc(sizeof(Gap));
     gap->config = config;
     // Create advertising timer
-    gap->advertise_timer = furi_timer_alloc(gap_advertise_timer_callback, FuriTimerTypeOnce, NULL);
+    gap->advertise_timer = furi_timer_alloc(gap_advetise_timer_callback, FuriTimerTypeOnce, NULL);
     // Initialization of GATT & GAP layer
     gap->service.adv_name = config->adv_name;
     gap_init_svc(gap);
@@ -577,9 +556,6 @@ bool gap_init(GapConfig* config, GapEventCallback on_event_cb, void* context) {
     gap->service.connection_handle = 0xFFFF;
     gap->enable_adv = true;
 
-    gap->conn_rssi = 127;
-    gap->time_rssi_sample = 0;
-
     // Command queue allocation
     gap->command_queue = furi_message_queue_alloc(8, sizeof(GapCommand));
 
@@ -619,17 +595,6 @@ bool gap_init(GapConfig* config, GapEventCallback on_event_cb, void* context) {
     return true;
 }
 
-// Get RSSI
-uint32_t gap_get_remote_conn_rssi(int8_t* rssi) {
-    if(gap && gap->state == GapStateConnected) {
-        fetch_rssi();
-        *rssi = gap->conn_rssi;
-
-        if(gap->time_rssi_sample) return furi_get_tick() - gap->time_rssi_sample;
-    }
-    return 0;
-}
-
 GapState gap_get_state(void) {
     GapState state;
     if(gap) {
diff --git a/targets/f7/ble_glue/gap.h b/targets/f7/ble_glue/gap.h
index 096dcb46a..2f0b097e4 100644
--- a/targets/f7/ble_glue/gap.h
+++ b/targets/f7/ble_glue/gap.h
@@ -96,8 +96,6 @@ void gap_thread_stop(void);
 
 void gap_emit_ble_beacon_status_event(bool active);
 
-uint32_t gap_get_remote_conn_rssi(int8_t* rssi);
-
 #ifdef __cplusplus
 }
 #endif
diff --git a/targets/f7/furi_hal/furi_hal_bt.c b/targets/f7/furi_hal/furi_hal_bt.c
index 1d5c181b8..2c1a9367b 100644
--- a/targets/f7/furi_hal/furi_hal_bt.c
+++ b/targets/f7/furi_hal/furi_hal_bt.c
@@ -251,10 +251,6 @@ bool furi_hal_bt_is_active(void) {
     return gap_get_state() > GapStateIdle;
 }
 
-bool furi_hal_bt_is_connected(void) {
-    return gap_get_state() == GapStateConnected;
-}
-
 void furi_hal_bt_start_advertising(void) {
     if(gap_get_state() == GapStateIdle) {
         gap_start_advertising();
@@ -391,21 +387,6 @@ float furi_hal_bt_get_rssi(void) {
     return val;
 }
 
-/** fill the RSSI of the remote host of the bt connection and returns the last 
- *  time the RSSI was updated
- * 
-*/
-uint32_t furi_hal_bt_get_conn_rssi(uint8_t* rssi) {
-    int8_t ret_rssi = 0;
-    uint32_t since = gap_get_remote_conn_rssi(&ret_rssi);
-
-    if(ret_rssi == 127 || since == 0) return 0;
-
-    *rssi = (uint8_t)abs(ret_rssi);
-
-    return since;
-}
-
 uint32_t furi_hal_bt_get_transmitted_packets(void) {
     uint32_t packets = 0;
     aci_hal_le_tx_test_packet_number(&packets);
diff --git a/targets/f7/furi_hal/furi_hal_flash.c b/targets/f7/furi_hal/furi_hal_flash.c
index 28aa45173..8bf1ac702 100644
--- a/targets/f7/furi_hal/furi_hal_flash.c
+++ b/targets/f7/furi_hal/furi_hal_flash.c
@@ -47,11 +47,7 @@
   > If for any reason this test is never passed, this means there is a failure in the system and there is no other
   > way to recover than applying a device reset. 
  */
-// Was previously 3000U, 3 seconds
-// Changing furi_assert() to furi_check() brought timeout crashes
-// Internal storage is very slow, and "big" files will often cause a "timeout" with 3 seconds
-// 10 seconds seems fine, the file operations complete successfully, albeit slowly
-#define FURI_HAL_FLASH_C2_LOCK_TIMEOUT_MS (10000U) /* 10 seconds */
+#define FURI_HAL_FLASH_C2_LOCK_TIMEOUT_MS (3000U) /* 3 seconds */
 
 #define IS_ADDR_ALIGNED_64BITS(__VALUE__) (((__VALUE__) & 0x7U) == (0x00UL))
 #define IS_FLASH_PROGRAM_ADDRESS(__VALUE__)                                             \
diff --git a/targets/furi_hal_include/furi_hal_bt.h b/targets/furi_hal_include/furi_hal_bt.h
index b5cdfc829..6da723311 100644
--- a/targets/furi_hal_include/furi_hal_bt.h
+++ b/targets/furi_hal_include/furi_hal_bt.h
@@ -231,10 +231,6 @@ float furi_hal_bt_get_rssi(void);
  */
 uint32_t furi_hal_bt_get_transmitted_packets(void);
 
-uint32_t furi_hal_bt_get_conn_rssi(uint8_t* rssi);
-
-bool furi_hal_bt_is_connected(void);
-
 /** Check & switch C2 to given mode
  *
  * @param[in]  mode  mode to switch into