diff --git a/lib/tinyusb b/lib/tinyusb
index 388abe9d9c..045674745a 160000
--- a/lib/tinyusb
+++ b/lib/tinyusb
@@ -1 +1 @@
-Subproject commit 388abe9d9cc0a7c360fd902e01461a53bb7b3f42
+Subproject commit 045674745afa59028fbeed6dac5cb5a9c4a6033e
diff --git a/ports/cxd56/README.md b/ports/cxd56/README.md
index 7fa439aacb..c399b8a4d7 100644
--- a/ports/cxd56/README.md
+++ b/ports/cxd56/README.md
@@ -75,7 +75,7 @@ Bootloader information:
 
 * You have to accept the End User License Agreement to be able to download and use the Spresense bootloader binary.
 
-Download the spresense binaries zip archive from: [Spresense firmware v2-0-000](https://developer.sony.com/file/download/download-spresense-firmware-v2-0-000)
+Download the spresense binaries zip archive from: [Spresense firmware v2-0-002](https://developer.sony.com/file/download/download-spresense-firmware-v2-0-002)
 
 Extract spresense binaries in your PC to ports/spresense/spresense-exported-sdk/firmware/
 
diff --git a/ports/cxd56/configs/circuitpython/defconfig b/ports/cxd56/configs/circuitpython/defconfig
index a97f821dfa..096b53b800 100644
--- a/ports/cxd56/configs/circuitpython/defconfig
+++ b/ports/cxd56/configs/circuitpython/defconfig
@@ -165,6 +165,7 @@ CONFIG_USBDEV=y
 CONFIG_USBDEV_DMA=y
 CONFIG_USBDEV_DUALSPEED=y
 CONFIG_USEC_PER_TICK=1000
+CONFIG_USERMAIN_STACKSIZE=8192
 CONFIG_USER_ENTRYPOINT="spresense_main"
 CONFIG_VIDEO_ISX012=y
 CONFIG_VIDEO_STREAM=y
diff --git a/ports/cxd56/spresense-exported-sdk b/ports/cxd56/spresense-exported-sdk
index 752c4cd56d..2ec2a15383 160000
--- a/ports/cxd56/spresense-exported-sdk
+++ b/ports/cxd56/spresense-exported-sdk
@@ -1 +1 @@
-Subproject commit 752c4cd56dd0a270a559c28272ceb61ddcb7806c
+Subproject commit 2ec2a1538362696118dc3fdf56f33dacaf8f4067
diff --git a/ports/cxd56/supervisor/internal_flash.c b/ports/cxd56/supervisor/internal_flash.c
index 2726fa4a23..9c103fb19e 100644
--- a/ports/cxd56/supervisor/internal_flash.c
+++ b/ports/cxd56/supervisor/internal_flash.c
@@ -30,10 +30,10 @@
 
 /* Prototypes for Remote API */
 
-int FM_RawWrite(uint32_t offset, const void *buf, uint32_t size);
-int FM_RawVerifyWrite(uint32_t offset, const void *buf, uint32_t size);
-int FM_RawRead(uint32_t offset, void *buf, uint32_t size);
-int FM_RawEraseSector(uint32_t sector);
+int fw_fm_rawwrite(uint32_t offset, const void *buf, uint32_t size);
+int fw_fm_rawverifywrite(uint32_t offset, const void *buf, uint32_t size);
+int fw_fm_rawread(uint32_t offset, void *buf, uint32_t size);
+int fw_fm_rawerasesector(uint32_t sector);
 
 #define CXD56_SPIFLASHSIZE (16 * 1024 * 1024)
 
@@ -64,8 +64,8 @@ void port_internal_flash_flush(void) {
         return;
     }
 
-    FM_RawEraseSector(flash_sector);
-    FM_RawWrite(flash_sector << SECTOR_SHIFT, flash_cache, SECTOR_SIZE);
+    fw_fm_rawerasesector(flash_sector);
+    fw_fm_rawwrite(flash_sector << SECTOR_SHIFT, flash_cache, SECTOR_SIZE);
 
     flash_sector = NO_SECTOR;
 }
@@ -73,7 +73,7 @@ void port_internal_flash_flush(void) {
 mp_uint_t supervisor_flash_read_blocks(uint8_t *dest, uint32_t block, uint32_t num_blocks) {
     supervisor_flash_flush();
 
-    if (FM_RawRead(block << PAGE_SHIFT, dest, num_blocks << PAGE_SHIFT) < 0) {
+    if (fw_fm_rawread(block << PAGE_SHIFT, dest, num_blocks << PAGE_SHIFT) < 0) {
         return 1;
     }
 
@@ -92,7 +92,7 @@ mp_uint_t supervisor_flash_write_blocks(const uint8_t *src, uint32_t lba, uint32
         if (sector != flash_sector) {
             supervisor_flash_flush();
 
-            if (FM_RawRead(sector << SECTOR_SHIFT, flash_cache, SECTOR_SIZE) < 0) {
+            if (fw_fm_rawread(sector << SECTOR_SHIFT, flash_cache, SECTOR_SIZE) < 0) {
                 return 1;
             }