diff --git a/firmware/targets/f18/api_symbols.csv b/firmware/targets/f18/api_symbols.csv
index 338697ad..a3eb2743 100644
--- a/firmware/targets/f18/api_symbols.csv
+++ b/firmware/targets/f18/api_symbols.csv
@@ -1,5 +1,5 @@
 entry,status,name,type,params
-Version,+,39.1,,
+Version,+,39.2,,
 Header,+,applications/services/bt/bt_service/bt.h,,
 Header,+,applications/services/cli/cli.h,,
 Header,+,applications/services/cli/cli_vcp.h,,
@@ -2007,7 +2007,7 @@ Function,+,storage_file_open,_Bool,"File*, const char*, FS_AccessMode, FS_OpenMo
 Function,+,storage_file_read,uint16_t,"File*, void*, uint16_t"
 Function,+,storage_file_seek,_Bool,"File*, uint32_t, _Bool"
 Function,+,storage_file_size,uint64_t,File*
-Function,-,storage_file_sync,_Bool,File*
+Function,+,storage_file_sync,_Bool,File*
 Function,+,storage_file_tell,uint64_t,File*
 Function,+,storage_file_truncate,_Bool,File*
 Function,+,storage_file_write,uint16_t,"File*, const void*, uint16_t"
diff --git a/firmware/targets/f7/api_symbols.csv b/firmware/targets/f7/api_symbols.csv
index f3f42d0f..eb997e64 100644
--- a/firmware/targets/f7/api_symbols.csv
+++ b/firmware/targets/f7/api_symbols.csv
@@ -1,5 +1,5 @@
 entry,status,name,type,params
-Version,+,39.1,,
+Version,+,39.2,,
 Header,+,applications/drivers/subghz/cc1101_ext/cc1101_ext_interconnect.h,,
 Header,+,applications/services/bt/bt_service/bt.h,,
 Header,+,applications/services/cli/cli.h,,
@@ -2617,7 +2617,7 @@ Function,+,storage_file_open,_Bool,"File*, const char*, FS_AccessMode, FS_OpenMo
 Function,+,storage_file_read,uint16_t,"File*, void*, uint16_t"
 Function,+,storage_file_seek,_Bool,"File*, uint32_t, _Bool"
 Function,+,storage_file_size,uint64_t,File*
-Function,-,storage_file_sync,_Bool,File*
+Function,+,storage_file_sync,_Bool,File*
 Function,+,storage_file_tell,uint64_t,File*
 Function,+,storage_file_truncate,_Bool,File*
 Function,+,storage_file_write,uint16_t,"File*, const void*, uint16_t"
diff --git a/firmware/targets/f7/ble_glue/services/dev_info_service.c b/firmware/targets/f7/ble_glue/services/dev_info_service.c
index cc95bb2f..59af23e5 100644
--- a/firmware/targets/f7/ble_glue/services/dev_info_service.c
+++ b/firmware/targets/f7/ble_glue/services/dev_info_service.c
@@ -39,7 +39,7 @@ static bool dev_info_char_firmware_rev_callback(
     const uint8_t** data,
     uint16_t* data_len) {
     const DevInfoSvc* dev_info_svc = *(DevInfoSvc**)context;
-    *data_len = sizeof(dev_info_svc->hardware_revision);
+    *data_len = strlen(dev_info_svc->hardware_revision);
     if(data) {
         *data = (const uint8_t*)&dev_info_svc->hardware_revision;
     }
@@ -155,17 +155,19 @@ void dev_info_svc_start() {
 void dev_info_svc_stop() {
     tBleStatus status;
     if(dev_info_svc) {
-        furi_string_free(dev_info_svc->version_string);
         // Delete service characteristics
         for(size_t i = 0; i < DevInfoSvcGattCharacteristicCount; i++) {
             flipper_gatt_characteristic_delete(
                 dev_info_svc->service_handle, &dev_info_svc->characteristics[i]);
         }
+
         // Delete service
         status = aci_gatt_del_service(dev_info_svc->service_handle);
         if(status) {
             FURI_LOG_E(TAG, "Failed to delete device info service: %d", status);
         }
+
+        furi_string_free(dev_info_svc->version_string);
         free(dev_info_svc);
         dev_info_svc = NULL;
     }