diff --git a/src/security/vboot/Kconfig b/src/security/vboot/Kconfig
index 7e291e0c70..ef7c24d879 100644
--- a/src/security/vboot/Kconfig
+++ b/src/security/vboot/Kconfig
@@ -286,6 +286,14 @@ config VBOOT_EARLY_EC_SYNC
 	  significantly impact boot time, as this operation will be performed
 	  later in the boot flow if it is disabled here.
 
+config VBOOT_EC_SYNC_ESOL
+	bool
+	default n
+	depends on VBOOT_EARLY_EC_SYNC && CHROMEOS_ENABLE_ESOL
+	help
+	  Enables the display of early sign-of-life (eSOL) when the EC is slow
+	  to update its firmware to inform the user that the update is happening.
+
 config VBOOT_EC_EFS
 	bool "Early firmware selection (EFS) EC"
 	default n
diff --git a/src/security/vboot/ec_sync.c b/src/security/vboot/ec_sync.c
index ac65dbd189..47c21c7c23 100644
--- a/src/security/vboot/ec_sync.c
+++ b/src/security/vboot/ec_sync.c
@@ -518,6 +518,7 @@ vb2_error_t vb2ex_ec_disable_jump(void)
  */
 vb2_error_t vb2ex_ec_update_image(enum vb2_firmware_selection select)
 {
+	vboot_show_ec_sync_esol();
 	return ec_update_image(select);
 }
 
diff --git a/src/security/vboot/vboot_common.h b/src/security/vboot/vboot_common.h
index 2399bf30ce..3e8e2edebd 100644
--- a/src/security/vboot/vboot_common.h
+++ b/src/security/vboot/vboot_common.h
@@ -74,6 +74,20 @@ static inline const struct cbfs_boot_device *vboot_get_cbfs_boot_device(void)
 }
 #endif
 
+/*
+ * This function is called before updating the EC firmware image.
+ * This API must be implemented in the SoC/mainboard code to enable
+ * early sign-of-life (eSOL) during EC firmware update.
+ */
+#if CONFIG(VBOOT_EC_SYNC_ESOL)
+void vboot_show_ec_sync_esol(void);
+#else
+static inline void vboot_show_ec_sync_esol(void)
+{
+	/* nop */
+}
+#endif
+
 void vboot_save_data(struct vb2_context *ctx);
 
 /*