diff --git a/Makefile b/Makefile
index a380a5d94..113f24aec 100644
--- a/Makefile
+++ b/Makefile
@@ -61,7 +61,8 @@ dist: all
 	cp fusee/fusee-secondary/fusee-secondary.bin atmosphere-$(AMSVER)/sept/payload.bin
 	cp sept/sept-primary/sept-primary.bin atmosphere-$(AMSVER)/sept/sept-primary.bin
 	cp sept/sept-secondary/sept-secondary.bin atmosphere-$(AMSVER)/sept/sept-secondary.bin
-	cp sept/sept-secondary/sept-secondary.enc atmosphere-$(AMSVER)/sept/sept-secondary.enc
+	cp sept/sept-secondary/sept-secondary_00.enc atmosphere-$(AMSVER)/sept/sept-secondary_00.enc
+	cp sept/sept-secondary/sept-secondary_01.enc atmosphere-$(AMSVER)/sept/sept-secondary_01.enc
 	cp common/defaults/BCT.ini atmosphere-$(AMSVER)/atmosphere/BCT.ini
 	cp common/defaults/loader.ini atmosphere-$(AMSVER)/atmosphere/loader.ini
 	cp common/defaults/system_settings.ini atmosphere-$(AMSVER)/atmosphere/system_settings.ini
diff --git a/common/defaults/kip_patches/default_nogc/6B09B67B29C020246DC34F5A04F5D3090215C46F37BD079442977A85B8243BA5.ips b/common/defaults/kip_patches/default_nogc/6B09B67B29C020246DC34F5A04F5D3090215C46F37BD079442977A85B8243BA5.ips
new file mode 100644
index 000000000..05869a6e9
Binary files /dev/null and b/common/defaults/kip_patches/default_nogc/6B09B67B29C020246DC34F5A04F5D3090215C46F37BD079442977A85B8243BA5.ips differ
diff --git a/common/defaults/kip_patches/default_nogc/B4CAE1F24965D92ED24EBE9E97F609C363834471BF18CA375CB6A1DEB77755EA.ips b/common/defaults/kip_patches/default_nogc/B4CAE1F24965D92ED24EBE9E97F609C363834471BF18CA375CB6A1DEB77755EA.ips
new file mode 100644
index 000000000..6e66bc3bb
Binary files /dev/null and b/common/defaults/kip_patches/default_nogc/B4CAE1F24965D92ED24EBE9E97F609C363834471BF18CA375CB6A1DEB77755EA.ips differ
diff --git a/exosphere/src/masterkey.c b/exosphere/src/masterkey.c
index d1ef71c71..d4fbea5f6 100644
--- a/exosphere/src/masterkey.c
+++ b/exosphere/src/masterkey.c
@@ -42,6 +42,7 @@ static const uint8_t mkey_vectors_dev[MASTERKEY_REVISION_MAX][0x10] =
     {0x78, 0xD5, 0xF1, 0x20, 0x3D, 0x16, 0xE9, 0x30, 0x32, 0x27, 0x34, 0x6F, 0xCF, 0xE0, 0x27, 0xDC}, /* Master key 04 encrypted with Master key 05. */
     {0x6F, 0xD2, 0x84, 0x1D, 0x05, 0xEC, 0x40, 0x94, 0x5F, 0x18, 0xB3, 0x81, 0x09, 0x98, 0x8D, 0x4E}, /* Master key 05 encrypted with Master key 06. */
     {0x37, 0xAF, 0xAB, 0x35, 0x79, 0x09, 0xD9, 0x48, 0x29, 0xD2, 0xDB, 0xA5, 0xA5, 0xF5, 0x30, 0x19}, /* Master key 06 encrypted with Master key 07. */
+    {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, /* TODO: Master key 07 encrypted with Master key 08. */
 };
 
 /* Retail unit keys. */
@@ -55,6 +56,7 @@ static const uint8_t mkey_vectors[MASTERKEY_REVISION_MAX][0x10] =
     {0xEB, 0xF5, 0x6F, 0x83, 0x61, 0x9E, 0xF8, 0xFA, 0xE0, 0x87, 0xD7, 0xA1, 0x4E, 0x25, 0x36, 0xEE}, /* Master key 04 encrypted with Master key 05. */
     {0x1E, 0x1E, 0x22, 0xC0, 0x5A, 0x33, 0x3C, 0xB9, 0x0B, 0xA9, 0x03, 0x04, 0xBA, 0xDB, 0x07, 0x57}, /* Master key 05 encrypted with Master key 06. */
     {0xA4, 0xD4, 0x52, 0x6F, 0xD1, 0xE4, 0x36, 0xAA, 0x9F, 0xCB, 0x61, 0x27, 0x1C, 0x67, 0x65, 0x1F}, /* Master key 06 encrypted with Master key 07. */
+    {0xEA, 0x60, 0xB3, 0xEA, 0xCE, 0x8F, 0x24, 0x46, 0x7D, 0x33, 0x9C, 0xD1, 0xBC, 0x24, 0x98, 0x29}, /* Master key 07 encrypted with Master key 08. */
 };
 
 bool check_mkey_revision(unsigned int revision, bool is_retail) {
@@ -125,7 +127,6 @@ unsigned int mkey_get_keyslot(unsigned int revision) {
     }
 }
 
-
 void set_old_devkey(unsigned int revision, const uint8_t *key) {
     if (revision < MASTERKEY_REVISION_400_410 || MASTERKEY_REVISION_MAX <= revision) {
         generic_panic();
diff --git a/exosphere/src/masterkey.h b/exosphere/src/masterkey.h
index dab9bfbb2..90b6ec236 100644
--- a/exosphere/src/masterkey.h
+++ b/exosphere/src/masterkey.h
@@ -13,14 +13,14 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
- 
+
 #ifndef EXOSPHERE_MASTERKEY_H
 #define EXOSPHERE_MASTERKEY_H
 
 /* This is glue code to enable master key support across versions. */
 
-/* TODO: Update to 0x9 on release of new master key. */
-#define MASTERKEY_REVISION_MAX 0x8
+/* TODO: Update to 0xA on release of new master key. */
+#define MASTERKEY_REVISION_MAX 0x9
 
 #define MASTERKEY_REVISION_100_230     0x00
 #define MASTERKEY_REVISION_300         0x01
@@ -29,7 +29,8 @@
 #define MASTERKEY_REVISION_500_510     0x04
 #define MASTERKEY_REVISION_600_610     0x05
 #define MASTERKEY_REVISION_620         0x06
-#define MASTERKEY_REVISION_700_CURRENT 0x07
+#define MASTERKEY_REVISION_700_800 0x07
+#define MASTERKEY_REVISION_810_CURRENT 0x08
 
 #define MASTERKEY_NUM_NEW_DEVICE_KEYS (MASTERKEY_REVISION_MAX - MASTERKEY_REVISION_400_410)
 
diff --git a/exosphere/src/mc.c b/exosphere/src/mc.c
index ccb6b8647..6a6ac75dc 100644
--- a/exosphere/src/mc.c
+++ b/exosphere/src/mc.c
@@ -13,7 +13,7 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
- 
+
 #include <stdint.h>
 
 #include "memory_map.h"
@@ -28,7 +28,7 @@ typedef struct {
 static saved_carveout_info_t g_saved_carveouts[2] = {
     {0x80060000ull, KERNEL_CARVEOUT_SIZE_MAX},
     {0x00000000ull, 0x00000000ull}
-};    
+};
 
 volatile security_carveout_t *get_carveout_by_id(unsigned int carveout) {
     if (CARVEOUT_ID_MIN <= carveout && carveout <= CARVEOUT_ID_MAX) {
@@ -130,7 +130,7 @@ void configure_kernel_carveout(unsigned int carveout_id, uint64_t address, uint6
     if (carveout_id != 4 && carveout_id != 5) {
         generic_panic();
     }
-    
+
     g_saved_carveouts[carveout_id-4].address = address;
     g_saved_carveouts[carveout_id-4].size = size;
 
@@ -140,8 +140,12 @@ void configure_kernel_carveout(unsigned int carveout_id, uint64_t address, uint6
     carveout->size_big_pages = (uint32_t)(size >> 17);
     carveout->client_access_0 = (BIT(CSR_PTCR) | BIT(CSR_DISPLAY0A) | BIT(CSR_DISPLAY0AB) | BIT(CSR_DISPLAY0B) | BIT(CSR_DISPLAY0BB) | BIT(CSR_DISPLAY0C) | BIT(CSR_DISPLAY0CB) | BIT(CSR_AFIR) | BIT(CSR_DISPLAYHC) | BIT(CSR_DISPLAYHCB) | BIT(CSR_HDAR) | BIT(CSR_HOST1XDMAR) | BIT(CSR_HOST1XR) | BIT(CSR_NVENCSRD) | BIT(CSR_PPCSAHBDMAR) | BIT(CSR_PPCSAHBSLVR));
     carveout->client_access_1 = (BIT(CSR_MPCORER) | BIT(CSW_NVENCSWR) | BIT(CSW_AFIW) | BIT(CSW_HDAW) | BIT(CSW_HOST1XW) | BIT(CSW_MPCOREW) | BIT(CSW_PPCSAHBDMAW) | BIT(CSW_PPCSAHBSLVW));
-    if (exosphere_get_target_firmware() >= ATMOSPHERE_TARGET_FIRMWARE_800) {
-        carveout->client_access_2 = (BIT(CSR_XUSB_HOSTR) | BIT(CSW_XUSB_HOSTW) | BIT(CSR_XUSB_DEVR) | BIT(CSW_XUSB_DEVW)); 
+    if (exosphere_get_target_firmware() >= ATMOSPHERE_TARGET_FIRMWARE_810) {
+        carveout->client_access_2 = (BIT(CSR_XUSB_HOSTR) | BIT(CSW_XUSB_HOSTW) | BIT(CSR_XUSB_DEVR) | BIT(CSW_XUSB_DEVW));
+        carveout->client_access_3 = (BIT(CSR_SDMMCRA) | BIT(CSR_SDMMCRAA) | BIT(CSR_SDMMCRAB) | BIT(CSW_SDMMCWA) | BIT(CSW_SDMMCWAA) | BIT(CSW_SDMMCWAB) | BIT(CSR_VICSRD) | BIT(CSW_VICSWR) | BIT(CSR_DISPLAYD) | BIT(CSR_APER) | BIT(CSW_APEW) | BIT(CSR_NVJPGSRD) | BIT(CSW_NVJPGSWR));
+        carveout->client_access_4 = (BIT(CSR_SESRD) | BIT(CSW_SESWR));
+    } else if (exosphere_get_target_firmware() >= ATMOSPHERE_TARGET_FIRMWARE_800) {
+        carveout->client_access_2 = (BIT(CSR_XUSB_HOSTR) | BIT(CSW_XUSB_HOSTW) | BIT(CSR_XUSB_DEVR) | BIT(CSW_XUSB_DEVW));
         carveout->client_access_3 = (BIT(CSR_SDMMCRA) | BIT(CSR_SDMMCRAA) | BIT(CSR_SDMMCRAB) | BIT(CSW_SDMMCWA) | BIT(CSW_SDMMCWAA) | BIT(CSW_SDMMCWAB) | BIT(CSR_VICSRD) | BIT(CSW_VICSWR) | BIT(CSR_DISPLAYD) | BIT(CSR_NVDECSRD) | BIT(CSW_NVDECSWR) | BIT(CSR_APER) | BIT(CSW_APEW) | BIT(CSR_NVJPGSRD) | BIT(CSW_NVJPGSWR));
         carveout->client_access_4 = (BIT(CSR_SESRD) | BIT(CSW_SESWR) | BIT(CSR_TSECSRDB) | BIT(CSW_TSECSWRB));
     } else {
diff --git a/exosphere/src/package2.c b/exosphere/src/package2.c
index 4ee7f23bf..76d3a8504 100644
--- a/exosphere/src/package2.c
+++ b/exosphere/src/package2.c
@@ -43,7 +43,7 @@ static const uint8_t new_device_key_sources[MASTERKEY_NUM_NEW_DEVICE_KEYS][0x10]
     {0x70, 0x08, 0x1B, 0x97, 0x44, 0x64, 0xF8, 0x91, 0x54, 0x9D, 0xC6, 0x84, 0x8F, 0x1A, 0xB2, 0xE4}, /* 6.x   New Device Key Source. */
     {0x8E, 0x09, 0x1F, 0x7A, 0xBB, 0xCA, 0x6A, 0xFB, 0xB8, 0x9B, 0xD5, 0xC1, 0x25, 0x9C, 0xA9, 0x17}, /* 6.2.0 New Device Key Source. */
     {0x8F, 0x77, 0x5A, 0x96, 0xB0, 0x94, 0xFD, 0x8D, 0x28, 0xE4, 0x19, 0xC8, 0x16, 0x1C, 0xDB, 0x3D}, /* 7.0.0 New Device Key Source. */
-    //{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, /* TODO: 8.1.0 New Device Key Source to be added on next change-of-keys. */
+    {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, /* TODO: 8.1.0 New Device Key Source to be added on next change-of-keys. */
 };
 
 static const uint8_t new_device_keygen_sources[MASTERKEY_NUM_NEW_DEVICE_KEYS][0x10] = {
@@ -52,7 +52,7 @@ static const uint8_t new_device_keygen_sources[MASTERKEY_NUM_NEW_DEVICE_KEYS][0x
     {0x99, 0xFA, 0x98, 0xBD, 0x15, 0x1C, 0x72, 0xFD, 0x7D, 0x9A, 0xD5, 0x41, 0x00, 0xFD, 0xB2, 0xEF}, /* 6.x   New Device Keygen Source. */
     {0x81, 0x3C, 0x6C, 0xBF, 0x5D, 0x21, 0xDE, 0x77, 0x20, 0xD9, 0x6C, 0xE3, 0x22, 0x06, 0xAE, 0xBB}, /* 6.2.0 New Device Keygen Source. */
     {0x86, 0x61, 0xB0, 0x16, 0xFA, 0x7A, 0x9A, 0xEA, 0xF6, 0xF5, 0xBE, 0x1A, 0x13, 0x5B, 0x6D, 0x9E}, /* 7.0.0 New Device Keygen Source. */
-    //{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, /* TODO: 8.1.0 New Device Key Source to be added on next change-of-keys. */
+    {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, /* TODO: 8.1.0 New Device Key Source to be added on next change-of-keys. */
 };
 
 static const uint8_t new_device_keygen_sources_dev[MASTERKEY_NUM_NEW_DEVICE_KEYS][0x10] = {
@@ -61,7 +61,7 @@ static const uint8_t new_device_keygen_sources_dev[MASTERKEY_NUM_NEW_DEVICE_KEYS
     {0xF6, 0xD8, 0x59, 0x63, 0x8F, 0x47, 0xCB, 0x4A, 0xD8, 0x74, 0x05, 0x7F, 0x88, 0x92, 0x33, 0xA5}, /* 6.x   New Device Keygen Source. */
     {0x20, 0xAB, 0xF2, 0x0F, 0x05, 0xE3, 0xDE, 0x2E, 0xA1, 0xFB, 0x37, 0x5E, 0x8B, 0x22, 0x1A, 0x38}, /* 6.2.0 New Device Keygen Source. */
     {0x60, 0xAE, 0x56, 0x68, 0x11, 0xE2, 0x0C, 0x99, 0xDE, 0x05, 0xAE, 0x68, 0x78, 0x85, 0x04, 0xAE}, /* 7.0.0 New Device Keygen Source. */
-    //{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, /* TODO: 8.1.0 New Device Key Source to be added on next change-of-keys. */
+    {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, /* TODO: 8.1.0 New Device Key Source to be added on next change-of-keys. */
 };
 
 static void derive_new_device_keys(unsigned int keygen_keyslot) {
@@ -140,6 +140,7 @@ static void setup_se(void) {
         case ATMOSPHERE_TARGET_FIRMWARE_620:
         case ATMOSPHERE_TARGET_FIRMWARE_700:
         case ATMOSPHERE_TARGET_FIRMWARE_800:
+        case ATMOSPHERE_TARGET_FIRMWARE_810:
             derive_new_device_keys(KEYSLOT_SWITCH_5XNEWDEVICEKEYGENKEY);
             break;
     }
@@ -329,7 +330,7 @@ static bool validate_package2_metadata(package2_meta_t *metadata) {
 
     /* Perform version checks. */
     /* We will be compatible with all package2s released before current, but not newer ones. */
-    if (metadata->version_max >= PACKAGE2_MINVER_THEORETICAL && metadata->version_min < PACKAGE2_MAXVER_700_CURRENT) {
+    if (metadata->version_max >= PACKAGE2_MINVER_THEORETICAL && metadata->version_min < PACKAGE2_MAXVER_810_CURRENT) {
         return true;
     }
 
@@ -454,6 +455,7 @@ static void copy_warmboot_bin_to_dram() {
             break;
         case ATMOSPHERE_TARGET_FIRMWARE_700:
         case ATMOSPHERE_TARGET_FIRMWARE_800:
+        case ATMOSPHERE_TARGET_FIRMWARE_810:
             warmboot_src = (uint8_t *)0x4003E000;
             break;
     }
@@ -527,6 +529,9 @@ void load_package2(coldboot_crt0_reloc_list_t *reloc_list) {
             case ATMOSPHERE_TARGET_FIRMWARE_800:
                 MAKE_REG32(PMC_BASE + 0x360) = 0x129;
                 break;
+            case ATMOSPHERE_TARGET_FIRMWARE_810:
+                MAKE_REG32(PMC_BASE + 0x360) = 0x14A;
+                break;
         }
     }
 
diff --git a/exosphere/src/package2.h b/exosphere/src/package2.h
index 513e75d5a..900047f87 100644
--- a/exosphere/src/package2.h
+++ b/exosphere/src/package2.h
@@ -13,7 +13,7 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
- 
+
 #ifndef EXOSPHERE_PACKAGE2_H
 #define EXOSPHERE_PACKAGE2_H
 
@@ -70,7 +70,8 @@ static inline uintptr_t get_nx_bootloader_mailbox_base(unsigned int targetfw) {
 #define PACKAGE2_MAXVER_500_510 0x7
 #define PACKAGE2_MAXVER_600_610 0x8
 #define PACKAGE2_MAXVER_620 0x9
-#define PACKAGE2_MAXVER_700_CURRENT 0xA
+#define PACKAGE2_MAXVER_700_800 0xA
+#define PACKAGE2_MAXVER_810_CURRENT 0xB
 
 #define PACKAGE2_MINVER_100 0x3
 #define PACKAGE2_MINVER_200 0x4
@@ -80,7 +81,8 @@ static inline uintptr_t get_nx_bootloader_mailbox_base(unsigned int targetfw) {
 #define PACKAGE2_MINVER_500_510 0x8
 #define PACKAGE2_MINVER_600_610 0x9
 #define PACKAGE2_MINVER_620 0xA
-#define PACKAGE2_MINVER_700_CURRENT 0xB
+#define PACKAGE2_MINVER_700_800 0xB
+#define PACKAGE2_MINVER_810_CURRENT 0xC
 
 typedef struct {
     union {
diff --git a/exosphere/src/smc_api.c b/exosphere/src/smc_api.c
index 5a5d6cadc..495682b3e 100644
--- a/exosphere/src/smc_api.c
+++ b/exosphere/src/smc_api.c
@@ -13,7 +13,7 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
- 
+
 #include <stdatomic.h>
 #include <stdint.h>
 
@@ -185,6 +185,7 @@ void set_version_specific_smcs(void) {
         case ATMOSPHERE_TARGET_FIRMWARE_620:
         case ATMOSPHERE_TARGET_FIRMWARE_700:
         case ATMOSPHERE_TARGET_FIRMWARE_800:
+        case ATMOSPHERE_TARGET_FIRMWARE_810:
             /* No more LoadSecureExpModKey. */
             g_smc_user_table[0xE].handler = NULL;
             g_smc_user_table[0xC].id = 0xC300D60C;
@@ -256,7 +257,7 @@ void call_smc_handler(uint32_t handler_id, smc_args_t *args) {
     unsigned char smc_id, call_range;
     unsigned int result;
     unsigned int (*smc_handler)(smc_args_t *args);
-    
+
     /* Validate top-level handler. */
     if (handler_id >= SMC_HANDLER_COUNT) {
         generic_panic();
@@ -288,17 +289,17 @@ void call_smc_handler(uint32_t handler_id, smc_args_t *args) {
     if ((smc_handler = g_smc_tables[handler_id].handlers[smc_id].handler) == NULL) {
         generic_panic();
     }
-    
+
     bool is_aes_kek = handler_id == SMC_HANDLER_USER && args->X[0] == 0xC3000007;
 
-#if DEBUG_LOG_SMCS  
-    uint64_t num;  
+#if DEBUG_LOG_SMCS
+    uint64_t num;
     if (handler_id == SMC_HANDLER_USER) {
         num = atomic_fetch_add(&num_smcs_called, 1);
         *(volatile smc_args_t *)(get_iram_address_for_debug() + 0x100 + ((0x80 * num) & 0x3FFF)) = *args;
     }
 #endif
-     
+
     /* Call function. */
     if (exosphere_get_target_firmware() < ATMOSPHERE_TARGET_FIRMWARE_800 ||
        (g_smc_tables[handler_id].handlers[smc_id].blacklist_mask & g_smc_blacklist_mask) == 0) {
@@ -307,15 +308,15 @@ void call_smc_handler(uint32_t handler_id, smc_args_t *args) {
         /* Call not allowed due to current boot conditions. */
         args->X[0] = 6;
     }
-    
-#if DEBUG_LOG_SMCS    
+
+#if DEBUG_LOG_SMCS
     if (handler_id == SMC_HANDLER_USER) {
         *(volatile smc_args_t *)(get_iram_address_for_debug() + 0x100 + ((0x80 * num + 0x40) & 0x3FFF)) = *args;
     }
 #endif
-    
+
 #if DEBUG_PANIC_ON_FAILURE
-    if (args->X[0] && (!is_aes_kek || args->X[3] <= ATMOSPHERE_TARGET_FIRMWARE_DEFAULT_FOR_DEBUG)) 
+    if (args->X[0] && (!is_aes_kek || args->X[3] <= ATMOSPHERE_TARGET_FIRMWARE_DEFAULT_FOR_DEBUG))
     {
         MAKE_REG32(get_iram_address_for_debug() + 0x4FF0) = handler_id;
         MAKE_REG32(get_iram_address_for_debug() + 0x4FF4) = smc_id;
@@ -695,14 +696,14 @@ uint32_t smc_configure_carveout(smc_args_t *args) {
     if (size > KERNEL_CARVEOUT_SIZE_MAX) {
         return 2;
     }
-    
+
     /* Ensure validity of carveout index. */
     if (carveout_id > 1) {
         return 2;
     }
 
     /* Configuration is one-shot, and cannot be done multiple times. */
-    if (exosphere_get_target_firmware() < ATMOSPHERE_TARGET_FIRMWARE_300) { 
+    if (exosphere_get_target_firmware() < ATMOSPHERE_TARGET_FIRMWARE_300) {
         if (g_configured_carveouts[carveout_id]) {
             return 2;
         }
diff --git a/exosphere/src/smc_user.c b/exosphere/src/smc_user.c
index c8d9c12d4..cf47e9fd4 100644
--- a/exosphere/src/smc_user.c
+++ b/exosphere/src/smc_user.c
@@ -13,7 +13,7 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
- 
+
 #include <stdbool.h>
 #include <stdint.h>
 #include <string.h>
@@ -52,6 +52,7 @@ static bool is_user_keyslot_valid(unsigned int keyslot) {
         case ATMOSPHERE_TARGET_FIRMWARE_620:
         case ATMOSPHERE_TARGET_FIRMWARE_700:
         case ATMOSPHERE_TARGET_FIRMWARE_800:
+        case ATMOSPHERE_TARGET_FIRMWARE_810:
         default:
             return keyslot <= 5;
     }
@@ -165,7 +166,7 @@ uint32_t user_generate_aes_kek(smc_args_t *args) {
     bool is_personalized = (int)(packed_options & 1);
 
     bool is_recovery_boot = configitem_is_recovery_boot();
-    
+
     /* 5.0.0+ Bounds checking. */
     if (exosphere_get_target_firmware() >= ATMOSPHERE_TARGET_FIRMWARE_500) {
         if (is_personalized) {
@@ -295,7 +296,7 @@ uint32_t crypt_aes_done_handler(void) {
 uint32_t user_crypt_aes(smc_args_t *args) {
     uint32_t keyslot = args->X[1] & 3;
     uint32_t mode = (args->X[1] >> 4) & 3;
-    
+
     if (exosphere_get_target_firmware() >= ATMOSPHERE_TARGET_FIRMWARE_600) {
         keyslot = args->X[1] & 7;
     }
@@ -791,7 +792,7 @@ uint32_t user_encrypt_rsa_key_for_import(smc_args_t *args) {
 
     if (usecase > CRYPTOUSECASE_RSAIMPORT) {
         return 2;
-    } 
+    }
     if (usecase == 0) {
         if (size < 0x31 || size > 0x240) {
             return 2;
@@ -823,7 +824,7 @@ uint32_t user_encrypt_rsa_key_for_import(smc_args_t *args) {
 
     if (secure_copy_to_user(&page_ref, user_address, user_data, size) == 0) {
         return 2;
-    } 
+    }
 
     return 0;
 }
@@ -854,7 +855,7 @@ uint32_t user_decrypt_or_import_rsa_key(smc_args_t *args) {
 
     if (usecase > CRYPTOUSECASE_RSAIMPORT) {
         return 2;
-    } 
+    }
     if (usecase == 0) {
         if (size < 0x31 || size > 0x240) {
             return 2;
@@ -881,7 +882,7 @@ uint32_t user_decrypt_or_import_rsa_key(smc_args_t *args) {
         case 0:
             if (secure_copy_to_user(&page_ref, user_address, user_data, size) == 0) {
                 return 2;
-            } 
+            }
             return 0;
         case 1:
             exponent_id = 1;
diff --git a/fusee/fusee-secondary/src/emummc_cfg.h b/fusee/fusee-secondary/src/emummc_cfg.h
index 91d5bb515..77ab9fb8e 100644
--- a/fusee/fusee-secondary/src/emummc_cfg.h
+++ b/fusee/fusee-secondary/src/emummc_cfg.h
@@ -13,7 +13,7 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
- 
+
 #ifndef EXOSPHERE_EMUMMC_CONFIG_H
 #define EXOSPHERE_EMUMMC_CONFIG_H
 
@@ -73,6 +73,9 @@ typedef enum {
     FS_VER_8_0_0,
     FS_VER_8_0_0_EXFAT,
 
+    FS_VER_8_1_0,
+    FS_VER_8_1_0_EXFAT,
+
     FS_VER_MAX,
 } emummc_fs_ver_t;
 
diff --git a/fusee/fusee-secondary/src/ips.c b/fusee/fusee-secondary/src/ips.c
index d94b31e5e..dedd00c67 100644
--- a/fusee/fusee-secondary/src/ips.c
+++ b/fusee/fusee-secondary/src/ips.c
@@ -13,7 +13,7 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
- 
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdint.h>
@@ -46,7 +46,7 @@ static bool should_ignore_default_patch(const char *patch_dir) {
     if (!g_enable_nogc_patches && strcmp(patch_dir, NOGC_PATCH_DIR) == 0) {
         return true;
     }
-    
+
     return false;
 }
 
@@ -64,7 +64,7 @@ static bool has_patch(const char *dir, const char *subdir, const void *hash, siz
     if (cur_len >= sizeof(path)) {
         return false;
     }
-    
+
     FILE *f = fopen(path, "rb");
     if (f != NULL) {
         fclose(f);
@@ -77,7 +77,7 @@ static bool has_needed_default_kip_patches(uint64_t title_id, const void *hash,
     if (title_id == 0x0100000000000000ULL && g_enable_nogc_patches) {
         return has_patch("atmosphere/kip_patches", NOGC_PATCH_DIR, hash, hash_size);
     }
-    
+
     return true;
 }
 
@@ -90,7 +90,7 @@ static void apply_ips_patch(uint8_t *mem, size_t mem_size, size_t prot_size, boo
         } else if (!is_ips32 && memcmp(buffer, IPS_TAIL, 3) == 0) {
             break;
         }
-        
+
         /* Offset of patch. */
         uint32_t patch_offset;
         if (is_ips32) {
@@ -98,27 +98,27 @@ static void apply_ips_patch(uint8_t *mem, size_t mem_size, size_t prot_size, boo
         } else {
            patch_offset = (buffer[0] << 16) | (buffer[1] << 8) | (buffer[2]);
         }
-        
+
         /* Size of patch. */
         if (fread(buffer, 2, 1, f_ips) != 1) {
             break;
         }
         uint32_t patch_size = (buffer[0] << 8) | (buffer[1]);
-        
+
         /* Check for RLE encoding. */
         if (patch_size == 0) {
             /* Size of RLE. */
             if (fread(buffer, 2, 1, f_ips) != 1) {
                 break;
             }
-            
+
             uint32_t rle_size = (buffer[0] << 8) | (buffer[1]);
-            
+
             /* Value for RLE. */
             if (fread(buffer, 1, 1, f_ips) != 1) {
                 break;
             }
-            
+
             if (patch_offset < prot_size) {
                 if (patch_offset + rle_size > prot_size) {
                     uint32_t diff = prot_size - patch_offset;
@@ -187,7 +187,7 @@ static bool name_matches_hash(const char *name, size_t name_len, const void *has
         hash_from_name[id_ofs] |= hex_nybble_to_u8(name[name_ofs++]) << 4;
         hash_from_name[id_ofs] |= hex_nybble_to_u8(name[name_ofs++]);
     }
-    
+
     return memcmp(hash, hash_from_name, hash_size) == 0;
 
 }
@@ -204,11 +204,11 @@ static bool has_ips_patches(const char *dir, const void *hash, size_t hash_size)
             if (strcmp(pdir_ent->d_name, ".") == 0 || strcmp(pdir_ent->d_name, "..") == 0) {
                 continue;
             }
-            
+
             if (should_ignore_default_patch(pdir_ent->d_name)) {
                 continue;
             }
-            
+
             snprintf(path, sizeof(path) - 1, "%s/%s", dir, pdir_ent->d_name);
             DIR *patch_dir = opendir(path);
             struct dirent *ent;
@@ -218,7 +218,7 @@ static bool has_ips_patches(const char *dir, const void *hash, size_t hash_size)
                     if (strcmp(ent->d_name, ".") == 0 || strcmp(ent->d_name, "..") == 0) {
                         continue;
                     }
-                    
+
                     size_t name_len = strlen(ent->d_name);
                     if ((4 < name_len && name_len <= 0x44) && ((name_len & 1) == 0) && strcmp(ent->d_name + name_len - 4, ".ips") == 0 && name_matches_hash(ent->d_name, name_len, hash, hash_size)) {
                         snprintf(path, sizeof(path) - 1, "%s/%s/%s", dir, pdir_ent->d_name, ent->d_name);
@@ -254,11 +254,11 @@ static void apply_ips_patches(const char *dir, void *mem, size_t mem_size, size_
             if (strcmp(pdir_ent->d_name, ".") == 0 || strcmp(pdir_ent->d_name, "..") == 0) {
                 continue;
             }
-            
+
             if (should_ignore_default_patch(pdir_ent->d_name)) {
                 continue;
             }
-            
+
             snprintf(path, sizeof(path) - 1, "%s/%s", dir, pdir_ent->d_name);
             DIR *patch_dir = opendir(path);
             struct dirent *ent;
@@ -268,7 +268,7 @@ static void apply_ips_patches(const char *dir, void *mem, size_t mem_size, size_
                     if (strcmp(ent->d_name, ".") == 0 || strcmp(ent->d_name, "..") == 0) {
                         continue;
                     }
-                    
+
                     size_t name_len = strlen(ent->d_name);
                     if ((4 < name_len && name_len <= 0x44) && ((name_len & 1) == 0) && strcmp(ent->d_name + name_len - 4, ".ips") == 0 && name_matches_hash(ent->d_name, name_len, hash, hash_size)) {
                         snprintf(path, sizeof(path) - 1, "%s/%s/%s", dir, pdir_ent->d_name, ent->d_name);
@@ -291,7 +291,7 @@ static void apply_ips_patches(const char *dir, void *mem, size_t mem_size, size_
         }
         closedir(patches_dir);
     }
-} 
+}
 
 void apply_kernel_ips_patches(void *kernel, size_t kernel_size) {
     uint8_t hash[0x20];
@@ -304,16 +304,16 @@ static void kip1_blz_uncompress(void *hdr_end) {
     uint32_t addl_size = ((u8_hdr_end[-4]) << 0) | ((u8_hdr_end[-3]) << 8) | ((u8_hdr_end[-2]) << 16) | ((u8_hdr_end[-1]) << 24);
     uint32_t header_size = ((u8_hdr_end[-8]) << 0) | ((u8_hdr_end[-7]) << 8) | ((u8_hdr_end[-6]) << 16) | ((u8_hdr_end[-5]) << 24);
     uint32_t cmp_and_hdr_size = ((u8_hdr_end[-12]) << 0) | ((u8_hdr_end[-11]) << 8) | ((u8_hdr_end[-10]) << 16) | ((u8_hdr_end[-9]) << 24);
-        
+
     unsigned char *cmp_start = (unsigned char *)(((uintptr_t)hdr_end) - cmp_and_hdr_size);
     uint32_t cmp_ofs = cmp_and_hdr_size - header_size;
     uint32_t out_ofs = cmp_and_hdr_size + addl_size;
-    
+
     while (out_ofs) {
         unsigned char control = cmp_start[--cmp_ofs];
         for (unsigned int i = 0; i < 8; i++) {
             if (control & 0x80) {
-                if (cmp_ofs < 2) {      
+                if (cmp_ofs < 2) {
                     fatal_error("KIP1 decompression out of bounds!\n");
                 }
                 cmp_ofs -= 2;
@@ -325,7 +325,7 @@ static void kip1_blz_uncompress(void *hdr_end) {
                     seg_size = out_ofs;
                 }
                 out_ofs -= seg_size;
-                
+
                 for (unsigned int j = 0; j < seg_size; j++) {
                     cmp_start[out_ofs + j] = cmp_start[out_ofs + j + seg_ofs];
                 }
@@ -350,15 +350,15 @@ kip1_header_t *kip1_uncompress(kip1_header_t *kip, size_t *size) {
         new_header.section_headers[i].compressed_size = new_header.section_headers[i].out_size;
     }
     new_header.flags &= 0xF8;
-    
+
     *size = kip1_get_size_from_header(&new_header);
-    
+
     unsigned char *new_kip = calloc(1, *size);
     if (new_kip == NULL) {
         return NULL;
     }
     *((kip1_header_t *)new_kip) = new_header;
-    
+
     size_t new_offset = 0x100;
     size_t old_offset = 0x100;
     for (unsigned int i = 0; i < 3; i++) {
@@ -369,7 +369,7 @@ kip1_header_t *kip1_uncompress(kip1_header_t *kip, size_t *size) {
         new_offset += kip->section_headers[i].out_size;
         old_offset += kip->section_headers[i].compressed_size;
     }
-    
+
     return (kip1_header_t *)new_kip;
 }
 
@@ -408,12 +408,15 @@ static const uint8_t g_fs_hashes[FS_VER_MAX][0x8] = {
 
     "\xB2\xF5\x17\x6B\x35\x48\x36\x4D", /* FS_VER_8_0_0 */
     "\xDB\xD9\x41\xC0\xC5\x3C\x52\xCC", /* FS_VER_8_0_0_EXFAT */
+
+    "\x6B\x09\xB6\x7B\x29\xC0\x20\x24", /* FS_VER_8_1_0 */
+    "\xB4\xCA\xE1\xF2\x49\x65\xD9\x2E", /* FS_VER_8_1_0_EXFAT */
 };
 
 kip1_header_t *apply_kip_ips_patches(kip1_header_t *kip, size_t kip_size, emummc_fs_ver_t *out_fs_ver) {
     uint8_t hash[0x20];
     se_calculate_sha256(hash, kip, kip_size);
-    
+
     if (kip->title_id == FS_TITLE_ID) {
         bool found = false;
         for (size_t i = 0; i < FS_VER_MAX; i++) {
@@ -426,24 +429,24 @@ kip1_header_t *apply_kip_ips_patches(kip1_header_t *kip, size_t kip_size, emummc
             fatal_error("[NXBOOT]: Failed to identify FS version...");
         }
     }
-    
+
     if (!has_needed_default_kip_patches(kip->title_id, hash, sizeof(hash))) {
         fatal_error("[NXBOOT]: Missing default patch for KIP %08x%08x...\n", (uint32_t)(kip->title_id >> 32), (uint32_t)kip->title_id);
     }
-            
+
     if (!has_ips_patches("atmosphere/kip_patches", hash, sizeof(hash))) {
         return NULL;
     }
 
     print(SCREEN_LOG_LEVEL_MANDATORY, "[NXBOOT]: Patching KIP %08x%08x...\n", (uint32_t)(kip->title_id >> 32), (uint32_t)kip->title_id);
-    
-        
+
+
     size_t uncompressed_kip_size;
     kip1_header_t *uncompressed_kip = kip1_uncompress(kip, &uncompressed_kip_size);
-    if (uncompressed_kip == NULL) {  
+    if (uncompressed_kip == NULL) {
         return NULL;
     }
-        
+
     apply_ips_patches("atmosphere/kip_patches", uncompressed_kip, uncompressed_kip_size, 0x100, hash, sizeof(hash));
     return uncompressed_kip;
 }
diff --git a/sept/sept-secondary/KEYS_template.py b/sept/sept-secondary/KEYS_template.py
index a3ac39639..dd3bb7b91 100644
--- a/sept/sept-secondary/KEYS_template.py
+++ b/sept/sept-secondary/KEYS_template.py
@@ -4,6 +4,7 @@ HOVI_ENC_KEY_PRD = [
     bytearray.fromhex('00000000000000000000000000000000'),
     bytearray.fromhex('00000000000000000000000000000000'),
 ]
+
 HOVI_SIG_KEY_PRD  = [
     bytearray.fromhex('00000000000000000000000000000000'),
     bytearray.fromhex('00000000000000000000000000000000'),
diff --git a/sept/sept-secondary/key_derivation/src/key_derivation.c b/sept/sept-secondary/key_derivation/src/key_derivation.c
index a94885f71..22be12e03 100644
--- a/sept/sept-secondary/key_derivation/src/key_derivation.c
+++ b/sept/sept-secondary/key_derivation/src/key_derivation.c
@@ -96,7 +96,7 @@ void derive_keys(void) {
         clear_aes_keyslot(0xE);
         clear_aes_keyslot(0xF);
 
-        /* Mov root key into keyslot 0xE. Clear first to wipe from IV. */
+        /* Mov root key into keyslot 0xE. */
         set_aes_keyslot(0xE, partial_se_state + 0x30, 0x10);
         for (size_t i = 0; i < 4; i++) {
             *((volatile uint32_t *)(partial_se_state + 0x30)) = 0xCCCCCCCC;
diff --git a/stratosphere/libstratosphere b/stratosphere/libstratosphere
index 777984476..281534d9f 160000
--- a/stratosphere/libstratosphere
+++ b/stratosphere/libstratosphere
@@ -1 +1 @@
-Subproject commit 777984476ea7b1da56c9a3fd3f55575a8b899896
+Subproject commit 281534d9f805af7dccbdd4e0e8883d4d055581ff