diff --git a/bootloader/hos/hos.h b/bootloader/hos/hos.h
index 573066b..97e54ba 100644
--- a/bootloader/hos/hos.h
+++ b/bootloader/hos/hos.h
@@ -68,6 +68,8 @@ typedef struct _launch_ctxt_t
 	bool atmosphere;
 	bool exo_no_user_exceptions;
 	bool exo_user_pmu;
+	bool exo_blank_prodinfo;
+	bool exo_allow_writing_to_cal_sysmmc;
 	bool fss0_enable_experimental;
 	bool emuMMC;
 
diff --git a/bootloader/hos/hos_config.c b/bootloader/hos/hos_config.c
index e22fbaa..4169ec8 100644
--- a/bootloader/hos/hos_config.c
+++ b/bootloader/hos/hos_config.c
@@ -211,6 +211,26 @@ static int _config_exo_user_pmu_access(launch_ctxt_t *ctxt, const char *value)
 	return 1;
 }
 
+static int _config_exo_blank_prodinfo(launch_ctxt_t *ctxt, const char *value)
+{
+	if (*value == '1')
+	{
+		DPRINTF("Enabled prodinfo blanking\n");
+		ctxt->exo_blank_prodinfo = true;
+	}
+	return 1;
+}
+
+static int _config_exo_allow_cal_write(launch_ctxt_t *ctxt, const char *value)
+{
+	if (*value == '1')
+	{
+		DPRINTF("Enabled writing to cal on sysMMC\n");
+		ctxt->exo_allow_writing_to_cal_sysmmc = true;
+	}
+	return 1;
+}
+
 static int _config_fss(launch_ctxt_t *ctxt, const char *value)
 {
 	LIST_FOREACH_ENTRY(ini_kv_t, kv, &ctxt->cfg->kvs, link)
@@ -243,6 +263,8 @@ static const cfg_handler_t _config_handlers[] = {
 	{ "atmosphere", _config_atmosphere },
 	{ "nouserexceptions", _config_dis_exo_user_exceptions },
 	{ "userpmu", _config_exo_user_pmu_access },
+	{ "blankprodinfo", _config_exo_blank_prodinfo },
+	{ "allowcalwrite", _config_exo_allow_cal_write },
 	{ "fss0", _config_fss },
 	{ NULL, NULL },
 };
diff --git a/bootloader/hos/secmon_exo.c b/bootloader/hos/secmon_exo.c
index 290c72a..5352a2b 100644
--- a/bootloader/hos/secmon_exo.c
+++ b/bootloader/hos/secmon_exo.c
@@ -133,10 +133,12 @@ typedef struct _atm_fatal_error_ctx
 // Exosphère mailbox defines.
 #define EXO_CFG_ADDR      0x8000F000
 #define  EXO_MAGIC_VAL        0x304F5845
-#define  EXO_FLAG_DBG_PRIV    (1 << 1)
-#define  EXO_FLAG_DBG_USER    (1 << 2)
-#define  EXO_FLAG_NO_USER_EXC (1 << 3)
-#define  EXO_FLAG_USER_PMU    (1 << 4)
+#define  EXO_FLAG_DBG_PRIV					  (1 << 1)
+#define  EXO_FLAG_DBG_USER					  (1 << 2)
+#define  EXO_FLAG_NO_USER_EXC				  (1 << 3)
+#define  EXO_FLAG_USER_PMU					  (1 << 4)
+#define  EXO_FLAG_BLANK_PRODINFO			  (1 << 5)
+#define  EXO_FLAG_ALLOW_WRITING_TO_CAL_SYSMMC (1 << 6)
 
 void config_exosphere(launch_ctxt_t *ctxt)
 {
@@ -180,6 +182,14 @@ void config_exosphere(launch_ctxt_t *ctxt)
 	if (ctxt->exo_user_pmu)
 		exoFlags |= EXO_FLAG_USER_PMU;
 
+	// Blank prodinfo.
+	if (ctxt->exo_blank_prodinfo)
+		exoFlags |= EXO_FLAG_BLANK_PRODINFO;
+
+	// Allow writing to cal on sysMMC.
+	if (ctxt->exo_allow_writing_to_cal_sysmmc)
+		exoFlags |= EXO_FLAG_ALLOW_WRITING_TO_CAL_SYSMMC;
+
 	// Set mailbox values.
 	exo_cfg->magic = EXO_MAGIC_VAL;
 
diff --git a/nyx/nyx_gui/hos/hos.h b/nyx/nyx_gui/hos/hos.h
index a315e9d..463f05e 100644
--- a/nyx/nyx_gui/hos/hos.h
+++ b/nyx/nyx_gui/hos/hos.h
@@ -65,6 +65,8 @@ typedef struct _launch_ctxt_t
 	bool stock;
 	bool atmosphere;
 	bool exo_no_user_exceptions;
+	bool exo_blank_prodinfo;
+	bool exo_allow_writing_to_cal_sysmmc;
 	bool emuMMC;
 
 	ini_sec_t *cfg;