diff --git a/targets/upload_method_cfg/NUCLEO_F446RE.cmake b/targets/upload_method_cfg/NUCLEO_F446RE.cmake
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+# Mbed OS upload method configuration file for target NUCLEO_F446RE.
+# To change any of these parameters from their default values, set them in your build script between where you
+# include app.cmake and where you add mbed os as a subdirectory.
+
+# Notes:
+# 1. Using the JLINK upload method with your dev board requires converting its ST-LINK into a J-Link.  See here for details: https://www.segger.com/products/debug-probes/j-link/models/other-j-links/st-link-on-board/
+
+# General config parameters
+# -------------------------------------------------------------
+set(UPLOAD_METHOD_DEFAULT MBED)
+
+# Config options for MBED
+# -------------------------------------------------------------
+
+set(MBED_UPLOAD_ENABLED TRUE)
+set(MBED_RESET_BAUDRATE 115200)
+
+# Config options for JLINK
+# -------------------------------------------------------------
+
+set(JLINK_UPLOAD_ENABLED TRUE)
+set(JLINK_CPU_NAME STM32F446RE)
+set(JLINK_CLOCK_SPEED 4000)
+set(JLINK_UPLOAD_INTERFACE SWD)
+
+# Config options for PYOCD
+# -------------------------------------------------------------
+# If your target is not natively supported by the pyOCD, then you need install a keil package for family of your target by hands. 
+# Type "pyocd pack show" to console and you will see a list of already installed packages.
+# If any package for your family is not on the list, then you need install them via command "pyocd pack install stm32f4".
+# Then just type "pyocd pack find STM32f4" or "pyocd pack find STM32f446" or "pyocd pack find STM32f446RE" and you will see the part name of your target.
+
+set(PYOCD_UPLOAD_ENABLED TRUE)
+set(PYOCD_TARGET_NAME STM32F446RETx)
+set(PYOCD_CLOCK_SPEED 4000k)
+
+# Config options for OPENOCD
+# -------------------------------------------------------------
+
+set(OPENOCD_UPLOAD_ENABLED TRUE)
+set(OPENOCD_CHIP_CONFIG_COMMANDS
+    -f ${OpenOCD_SCRIPT_DIR}/board/st_nucleo_f4.cfg)
+
+# Config options for STM32Cube
+# -------------------------------------------------------------
+
+set(STM32CUBE_UPLOAD_ENABLED TRUE)
+set(STM32CUBE_CONNECT_COMMAND -c port=SWD reset=HWrst)
+set(STM32CUBE_GDBSERVER_ARGS --swd)
+
+# Config options for stlink
+# -------------------------------------------------------------
+# It is working, but for some reason is no much stable and I do not know why!
+
+set(STLINK_UPLOAD_ENABLED TRUE)
+set(STLINK_LOAD_ADDRESS 0x8000000)