[Bug] Cant use anymore crazyflie 2.1

[YHuniv]

Describe the bug

Hello,

I tired to use the crazyflie 2.1 with Qground using the described methode.
https://docs.px4.io/main/en/complete_vehicles_mc/crazyflie21.html
I am facing same issue descibed here 👍 #18171

I tried go back to the original firmware, using

sudo dfu-util -d 0483:df11 -a 0 -s 0x08000000 -D cf2loader-1.0.bin

then :
sudo dfu-util -d 0483:df11 -a 0 -s 0x08000000 -D cf2-2024.10.2.bin

But the crazyflie dont working anymore, only stay with blue led (M2 side).

Could you help please ?
THanks

To Reproduce

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Expected behavior

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Screenshot / Media

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Flight Log

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Software Version

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Flight controller

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Vehicle type

None

How are the different components wired up (including port information)

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Additional context

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