diff --git a/project/ble_peripheral/ble_app_bladder_patch/fstorage.c b/project/ble_peripheral/ble_app_bladder_patch/fstorage.c
index 322d0a6..258e08f 100644
--- a/project/ble_peripheral/ble_app_bladder_patch/fstorage.c
+++ b/project/ble_peripheral/ble_app_bladder_patch/fstorage.c
@@ -244,6 +244,7 @@ void config_load( void )
     fds_record_desc_t desc = { 0 };
     fds_find_token_t  tok  = { 0 };
     uint8_t cfg_retry = 0;
+    uint32_t fds_wait_cnt = 0;  // FDS write 대기 카운터
 
  cfg_load_start:
     memset((char *)&desc, 0, sizeof(desc));
@@ -330,11 +331,21 @@ void config_load( void )
             fds_flag_write = false;
         }
 
-        while( fds_flag_write )
+        fds_wait_cnt = 0;   // 
+
+        while(fds_flag_write && fds_wait_cnt < 3000)  // FDS write 최대 3초 타임아웃
         {
             nrf_pwr_mgmt_run();
+            nrf_delay_ms(1);
+            fds_wait_cnt++;
         }
 
+        if(fds_flag_write)  // FDS write 타임아웃 시 플래그 강제 해제
+        {
+            DBG_PRINTF("[FDS] write TIMEOUT! forcing flag clear\r\n");
+            fds_flag_write = false;
+        }
+        
         if( (rc != NRF_SUCCESS) && (rc == FDS_ERR_NO_SPACE_IN_FLASH) )
         {
             rc = fds_gc();