SPF3 Cleanflight - STM32 'timed out' help!

I can’t flash the firmware onto my spf3.I could connect to Cleanflight. I downloaded the correct drivers, I put the board into bootloader mode, I tried using different baud rates but it always gets to ‘verifying’ and then says STM32 timed out programming failed. What do i do?

mine does that, just go to CLI type version and if its the same as you tried to flash all ok, its only failed to verify. mine work perfect.

I did, thanks its alright now

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