diff --git a/partitions.csv b/partitions.csv
index eb0ce2f..e11f443 100644
--- a/partitions.csv
+++ b/partitions.csv
@@ -4,4 +4,5 @@ nvs,      data, nvs,     0x9000,   0x5000,
 otadata,  data, ota,     0xe000,   0x2000,
 app0,     app,  ota_0,   0x10000,  0x300000,
 app1,     app,  ota_1,   0x310000, 0x300000,
-spiffs,   data, spiffs,  0x610000, 0x1F0000,
+spiffs,   data, spiffs,  0x610000, 0x1E0000,
+coredump, data, coredump,0x7F0000, 0x10000,
diff --git a/sdkconfig.defaults b/sdkconfig.defaults
index a9676ab..c30db98 100644
--- a/sdkconfig.defaults
+++ b/sdkconfig.defaults
@@ -84,3 +84,12 @@ CONFIG_ESP_TASK_WDT_EN=y
 CONFIG_ESP_TASK_WDT_TIMEOUT_S=30
 CONFIG_ESP_TASK_WDT_CHECK_IDLE_TASK_CPU0=y
 CONFIG_ESP_TASK_WDT_CHECK_IDLE_TASK_CPU1=y
+
+# ============================================================================
+# Core Dump — writes CPU state + backtrace to flash on crash
+# Read with: espcoredump.py info_corefile -t raw -c 0x7F0000 -s 0x10000 <port>
+# ============================================================================
+CONFIG_ESP_COREDUMP_ENABLE_TO_FLASH=y
+CONFIG_ESP_COREDUMP_DATA_FORMAT_ELF=y
+CONFIG_ESP_COREDUMP_CHECKSUM_SHA256=y
+CONFIG_ESP_COREDUMP_MAX_TASKS_NUM=64