# Install PX4 bootloader on STM32 and verify it on QGC **URL:** \ **Category:** Uncategorized\ **Created:** [October 22, 2025, 9:31pm UTC](https://discuss.px4.io/t/install-px4-bootloader-on-stm32-and-verify-it-on-qgc/47719 "2025-10-22T21:31:43Z")\ **Posts on this page:** 9\ **Page:** 1
**Author:** ![musicbox](https://discuss.px4.io/letter_avatar_proxy/v4/letter/m/77aa72/32.png) [@musicbox](https://discuss.px4.io/u/musicbox)\ **Post date:** [October 22, 2025, 9:31pm UTC](https://discuss.px4.io/t/install-px4-bootloader-on-stm32-and-verify-it-on-qgc/47719/1 "2025-10-22T21:31:43Z")
Hi community, I am new to the PX4 and want to install PX4 on STM32F411CEU6. The [STM32 Bootloader](https://docs.px4.io/main/en/software_update/stm32_bootloader) page suggests that STM32F4 can support FMUv2 to FMUv4. Therefore, I compile the [PX4-Bootloader](https://github.com/PX4/PX4-Bootloader.git) and use the command `dfu-util -a 0 -s 0x08000000:leave -D ./build/px4fmuv4_bl/px4fmuv4_bl.bin` to flash the bootloader to my board. ```auto ID 0483:df11 Run-time device DFU version 011a Claiming USB DFU Interface... Setting Alternate Setting #0 ... Determining device status: state = dfuERROR, status = 10 dfuERROR, clearing status Determining device status: state = dfuIDLE, status = 0 dfuIDLE, continuing DFU mode device DFU version 011a Device returned transfer size 2048 DfuSe interface name: "Internal Flash " Downloading to address = 0x08000000, size = 10768 Download [=========================] 100% 10768 bytes Download done. File downloaded successfully Transitioning to dfuMANIFEST state ``` After that, I try to use QGroundControl to test the bootloader; however, QGroundControl cannot recognize anything. I have also flashed the FMUv2 and FMUv3 bootloaders to my device, but I get the same failure. I also compile the [PX4-Autopilot](https://github.com/PX4/PX4-Autopilot). However, the bootloader in PX4-Autopilot, whose size is `2M`, is significantly larger than the bootloader in PX4-Bootloader, whose size is `11K`. The flash memory on my STM32F411CEU6 board is only 512K, and therefore, can not install the bootloader in PX4-Autopilot. I am wondering whether anyone has already experienced this issue. Thanks a lot for your help! ![image](https://discuss.px4.io/uploads/default/original/3X/7/d/7d120426a9a9467bdc8f597adab90548eaf7b451.png) ---
**Author:** ![Dave84](https://discuss.px4.io/user_avatar/discuss.px4.io/dave84/32/10033_2.png) [@Dave84](https://discuss.px4.io/u/Dave84)\ **Post date:** [October 23, 2025, 9:05am UTC](https://discuss.px4.io/t/install-px4-bootloader-on-stm32-and-verify-it-on-qgc/47719/2 "2025-10-23T09:05:33Z")
Good day, do you mind pls tell what kind of board you are trying to flash? ---
**Author:** ![musicbox](https://discuss.px4.io/letter_avatar_proxy/v4/letter/m/77aa72/32.png) [@musicbox](https://discuss.px4.io/u/musicbox)\ **Post date:** [October 23, 2025, 7:12pm UTC](https://discuss.px4.io/t/install-px4-bootloader-on-stm32-and-verify-it-on-qgc/47719/3 "2025-10-23T19:12:39Z")
Sure! The board is [STM32F411CEU6](https://stm32-base.org/boards/STM32F411CEU6-WeAct-Black-Pill-V2.0.html). ---
**Author:** ![Dave84](https://discuss.px4.io/user_avatar/discuss.px4.io/dave84/32/10033_2.png) [@Dave84](https://discuss.px4.io/u/Dave84)\ **Post date:** [October 23, 2025, 7:38pm UTC](https://discuss.px4.io/t/install-px4-bootloader-on-stm32-and-verify-it-on-qgc/47719/4 "2025-10-23T19:38:59Z")
the board cannot support fmuv2,fmuv3 and fmuv4 due the size of the memory…clock etc. That kind of MCU can be use for design a CAN BUS BOARD ADAPTER OR CAN BUS GPS, but now it’s not used much ---
**Author:** ![musicbox](https://discuss.px4.io/letter_avatar_proxy/v4/letter/m/77aa72/32.png) [@musicbox](https://discuss.px4.io/u/musicbox)\ **Post date:** [October 24, 2025, 6:15pm UTC](https://discuss.px4.io/t/install-px4-bootloader-on-stm32-and-verify-it-on-qgc/47719/5 "2025-10-24T18:15:57Z")
Very thanks for your help! I am curious about the memory you mentioned. Does that memory mean the flash memory? I saw the compiled bootloader in PX4-Bootloader is `11K`, which should be enough for STM32F411CEU6 with 512KB flash memory. And I don’t know the difference between the bootloader (i.e., compiled `.bin` file) in [PX4-Bootloader](https://github.com/PX4/PX4-Bootloader) and [PX4-Autopilot](https://github.com/PX4/PX4-Autopilot). The first one is `11K` while the second one is `2M`. I would appreciate it if you can help me figure out which one I should use. ---
**Author:** ![musicbox](https://discuss.px4.io/letter_avatar_proxy/v4/letter/m/77aa72/32.png) [@musicbox](https://discuss.px4.io/u/musicbox)\ **Post date:** [October 24, 2025, 6:22pm UTC](https://discuss.px4.io/t/install-px4-bootloader-on-stm32-and-verify-it-on-qgc/47719/6 "2025-10-24T18:22:49Z")
I read the [Reference Device](https://docs.px4.io/main/en/hardware/reference_design) page, which suggests: - FMUv4: Pixracer (STM32F427, 168 MHz, 256 KB RAM, 2 MB flash, [pinout](https://docs.google.com/spreadsheets/d/1raRRouNsveQz8cj-EneWG6iW0dqGfRAifI91I2Sr5E0/edit#gid=1585075739)) For my understanding, I should find a board with an MCU that has **at least** 168 MHz, 256 KB RAM, and 2 MB flash. Is this correct? ---
**Author:** ![Dave84](https://discuss.px4.io/user_avatar/discuss.px4.io/dave84/32/10033_2.png) [@Dave84](https://discuss.px4.io/u/Dave84)\ **Post date:** [October 24, 2025, 7:40pm UTC](https://discuss.px4.io/t/install-px4-bootloader-on-stm32-and-verify-it-on-qgc/47719/7 "2025-10-24T19:40:32Z")
If you want develop an FC require time..it’s a nightmare. I can suggest check for an STM32H743…but for a trial just choose an Stm32F777 ---
**Author:** ![musicbox](https://discuss.px4.io/letter_avatar_proxy/v4/letter/m/77aa72/32.png) [@musicbox](https://discuss.px4.io/u/musicbox)\ **Post date:** [October 27, 2025, 5:33pm UTC](https://discuss.px4.io/t/install-px4-bootloader-on-stm32-and-verify-it-on-qgc/47719/8 "2025-10-27T17:33:32Z")
Humm… How about [NUCLEO-F767ZI](https://www.amazon.com/NUCLEO-F767ZI-Nucleo-144-Development-STM32F767ZI-connectivity/dp/B09KTPCT4W)? It’s MCU is STM32F767ZI. I just want to prototype the PX4 on this board with QGC. ---
**Author:** ![Dave84](https://discuss.px4.io/user_avatar/discuss.px4.io/dave84/32/10033_2.png) [@Dave84](https://discuss.px4.io/u/Dave84)\ **Post date:** [October 27, 2025, 7:04pm UTC](https://discuss.px4.io/t/install-px4-bootloader-on-stm32-and-verify-it-on-qgc/47719/9 "2025-10-27T19:04:08Z")
It’s a good option but you must define and build your own bootloader binary file and compile your own firmware.