diff --git a/ports/stm32/boards/ARDUINO_PORTENTA_H7/deploy.md b/ports/stm32/boards/ARDUINO_PORTENTA_H7/deploy.md
index 8de726b43b..7f738c5791 100644
--- a/ports/stm32/boards/ARDUINO_PORTENTA_H7/deploy.md
+++ b/ports/stm32/boards/ARDUINO_PORTENTA_H7/deploy.md
@@ -4,7 +4,7 @@ This board can programmed via DFU bootloader, using e.g. [dfu-util](http://dfu-u
 To enter the DFU bootloader, double tap the reset (blue) button, or you can use `machine.bootloader()` from the MicroPython REPL.
 
 ```bash
-dfu-util -w -d 2341:035b -a 0 -d 0x8040000 -D firmware.dfu
+dfu-util -w -a 0 -d 2341:035b -D build-ARDUINO_PORTENTA_H7/firmware.dfu
 ```
 
 Or from MicroPython source repository:
diff --git a/ports/stm32/boards/ARDUINO_PORTENTA_H7/manifest.py b/ports/stm32/boards/ARDUINO_PORTENTA_H7/manifest.py
index 4fa92b7205..3041e77fdb 100644
--- a/ports/stm32/boards/ARDUINO_PORTENTA_H7/manifest.py
+++ b/ports/stm32/boards/ARDUINO_PORTENTA_H7/manifest.py
@@ -1,3 +1,12 @@
 include("$(PORT_DIR)/boards/manifest.py")
+
+# Networking
 require("webrepl")
+require("urequests")
+require("ntptime")
+
+# Utils
+require("logging")
+
+# Bluetooth
 require("aioble", client=True, central=True, l2cap=True, security=True)
diff --git a/ports/stm32/boards/ARDUINO_PORTENTA_H7/mpconfigboard.h b/ports/stm32/boards/ARDUINO_PORTENTA_H7/mpconfigboard.h
index 31e19c9eb5..a2981352a1 100644
--- a/ports/stm32/boards/ARDUINO_PORTENTA_H7/mpconfigboard.h
+++ b/ports/stm32/boards/ARDUINO_PORTENTA_H7/mpconfigboard.h
@@ -159,6 +159,9 @@ extern struct _spi_bdev_t spi_bdev;
 #define MICROPY_HW_UART7_CTS        (pyb_pin_BT_CTS)
 
 // I2C busses
+#define MICROPY_HW_I2C1_SCL         (pin_B6)
+#define MICROPY_HW_I2C1_SDA         (pin_B7)
+
 #define MICROPY_HW_I2C3_SCL         (pin_H7)
 #define MICROPY_HW_I2C3_SDA         (pin_H8)
 
@@ -206,8 +209,8 @@ extern struct _spi_bdev_t spi_bdev;
 #define MICROPY_HW_USB_HS_ULPI_DIR  (pin_I11)
 #define MICROPY_HW_USB_HS_ULPI3320  (1)
 
-#define MICROPY_HW_USB_CDC_RX_DATA_SIZE     (512)
-#define MICROPY_HW_USB_CDC_TX_DATA_SIZE     (512)
+#define MICROPY_HW_USB_CDC_RX_DATA_SIZE     (1024)
+#define MICROPY_HW_USB_CDC_TX_DATA_SIZE     (1024)
 #define MICROPY_HW_USB_CDC_1200BPS_TOUCH    (1)
 #define GPIO_AF10_OTG_HS                    (GPIO_AF10_OTG2_HS)
 
diff --git a/ports/stm32/boards/ARDUINO_PORTENTA_H7/pins.csv b/ports/stm32/boards/ARDUINO_PORTENTA_H7/pins.csv
index b22da66dd4..6ab00f02ec 100644
--- a/ports/stm32/boards/ARDUINO_PORTENTA_H7/pins.csv
+++ b/ports/stm32/boards/ARDUINO_PORTENTA_H7/pins.csv
@@ -231,3 +231,4 @@ I2C3_SCL,PH7
 -QSPI2_D1,PD12
 -QSPI2_D2,-PF7
 -QSPI2_D3,PD13
+-SE05X_EN,-PI12