Stuck to unlock the fastboot mode
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 Hi, 
 Classic truble, i think, i'am stuck to unlock the fastboot mode. To downgrade to android 13. When i type "fastboot flashing unlock", nothing appen's, only "waiting for any device" in my term, although "adb device" command work.
 Any idea ? The wire ?
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 @Zardozor25 Are you sure you're in fastboot mode? ADB is different from fastboot. 
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 @kugiigi I have passed the first grade ton unlock the bootloader. But yet adb devices dont make any thing. The phone is not recognized. And i don't enter the last command "fastboot flashing unlock_critical" 
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 That is very strange it is my phone lost in the setting the developer option. Why ? 
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 @Zardozor25 Usually on Fairphone you might press and hold Power and - Vol- until bootloader appears, then select "Fastboot" mode (1rest option) with the Power button. 
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 @Zardozor25 What happens when you try "fastboot devices"? 
 Also if this is happening on Windows I had the same trouble. I resolved this by using Linux and installing android-tools. Windows absolutely refuses to see my FP5 in fastboot no matter what.
