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My device: Tecno Camon 19 (cl6n) I need to unlock bootloader, adb see my phone correctly, fastbootd too. But when I do adb reboot bootloader neither the phone nor the PC can see each other. Phone says that after 60 seconds without action, the phone will reboot, and on the PC fastboot devices gives an empty line, if you try to use any fastboot command, the text "Waiting for any device" will appear. I installed usb drivers and vc reddists, so i dont know why its not working.

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  • 1. Try different cables/ports/Laptops 2. If you are using platform tools version 34.xxx roll back to earlier versions. The latest version reportedly doesn't play well with some devices
    – beeshyams
    Commented Aug 31, 2023 at 6:07
  • You have a Mediatek based device which usually have fastboot mode but with limited use as flashing is done to my knowledge using special software when device is shit down.
    – Robert
    Commented Aug 31, 2023 at 17:49
  • I'm experiencing this symptom with a Pixel 6, adb/fastboot won't show anything in bootloader mode, but fastboot will in fastbootd mode, and adb will when phone booted into OS. Neither works in bootloader mode. I'll comment back if I find an answer
    – Yoseph
    Commented Nov 18, 2023 at 0:02

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The same problem is with my laptop (and mobile is Red Magic 7), I installed fastboot drivers, When I boot my device to bootloader using adb reboot bootloader, the phone is booting to bootloader, but it is just detected as Android. And when I try to update its driver to Bootloader Interface, Windows says the driver was installed successfully, but there is no change and the device does not get recognised, so fastboot devices yields nothing.

But if I do adb reboot fastboot, it boots the device to fastbootd mode, and this time the device is being detected as Android Phone: bootloader interface and is detected by platform tools (fastboot devices) also.

I still can't figure out why this is happening.

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