please help: adb showing my device but fastboot nor working - Android Q&A, Help & Troubleshooting

hi all,
i have connected my device via USB in debugging mode, i can see my device using adb devices command but when issuing fastboot command it is displaying message <waiting for device>, please help i want to flash TWRP recovery.
my device is Huawei Honor 4C.
regards.

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[Q] huawei mediapad 10 Link (s10-201u) can't detect by pc on fastboot mode

hi,
i have huawei mediapad 10 link (s10-201u), i boot it on fastboot mode, but when i connect it to pc and write a fastboot command (for ex: fastboot write recovery recovery.img) cmd command show: waiting for device
i installed many drivers but again show waiting fo device
i don;t have problem with other huawei devices in fastboot, just this model have problem for me
please give me tested driver for this model
Thanks
hi,Im have this problem too.anyone has solusion pleas help.thanks

Fastboot doesn´t recognize my device

I can use adb commands no problem, but with the phone being in fastboot, fastboot commands like
Code:
fastboot devices
don´t show anything.
I want to unlock the bootloader but I am stuck with
Code:
waiting for device
after the
Code:
fastboot flashing unlock
command.
Why is it that every time I try to follow a tutorial, I do the exact same things and it doesn´t work for me?
Anyways, I installed all drivers from here and Device Manager shows an Android ADB Interface with a yellow triangle when I connect my phone in fastboot mode.

OPPO F15 not rebooting into Fastboot mode.

Hello Friends,
I have recently Purchased an Oppo F15, I have enabled developer mode, OEM Unlocked, and USB Debugging, with the latest adb drivers installed on my PC.
while I am running the command "adb devices" it returning with the device name I have connected i.e. Oppo F15 but when I am running the command "adb reboot fastboot", "adb reboot-bootloader", "adb reboot bootloader" the device reboots but not going to fastboot, it just reboots in normal mode.
Please help me if I am missing something in this. My device is running with Android version 9.
@Venomiest
Try this commands sequence
Code:
adb reboot
adb devices
adb reboot bootloader
fastboot devices
jwoegerbauer said:
@Venomiest
Try this commands sequence
Code:
adb reboot
adb devices
adb reboot bootloader
fastboot devices
Click to expand...
Click to collapse
Those are the proper commands
([emoji88]Havoc GSI[emoji88])
Venomiest said:
Hello Friends,
I have recently Purchased an Oppo F15, I have enabled developer mode, OEM Unlocked, and USB Debugging, with the latest adb drivers installed on my PC.
while I am running the command "adb devices" it returning with the device name I have connected i.e. Oppo F15 but when I am running the command "adb reboot fastboot", "adb reboot-bootloader", "adb reboot bootloader" the device reboots but not going to fastboot, it just reboots in normal mode.
Please help me if I am missing something in this. My device is running with Android version 9.
Click to expand...
Click to collapse
The bootloader is blocked by code combination. If you try to see more attentive you'll notice the tiny message on the black screen while rebooting.
Not Working
Alien object

Device not detected in fastboot mode

Hi, after going to bootloader from In-depth test app, when I connect to my PC, and use fastboot devices, it lists as ????????? device and when I use fastboot flashing unlock, it just throws command failed, unknown error. Any solutions to this? I am on RUI C13
first try to give usb debugging permission while your devices turned on (in RUI C.13) then after you allowed that you can type (adb reboot bootloader) then follow the unlocking steps given on the realme community page

Fastboot Not Working - G90 Pro

Hey all, I just got a G90 Pro that I want to put a ROM on, but something is up with the fastboot. I have the drivers installed according to what I found online, but when I go to fastboot there is no response from the cmd inputs. Nothing even shows up when I check fastboot devices. Has anyone had luck with these phones? I can't even unlock the bootloader!
If not already done yet, install the suitable BLUE USB Driver for Android:
Download BLU USB Driver for Windows (Latest Driver)
Download the latest and original BLU USB Driver to connect any BLU Smartphone and Tablets to the Windows Computer quickly.
androidmtk.com
jwoegerbauer said:
If not already done yet, install the suitable BLUE USB Driver for Android:
Download BLU USB Driver for Windows (Latest Driver)
Download the latest and original BLU USB Driver to connect any BLU Smartphone and Tablets to the Windows Computer quickly.
androidmtk.com
Click to expand...
Click to collapse
I have done this, but did it again just to be sure, and device manager recognizes the G90 Pro under USB devices, and ADB finds it, but when I do the 'adb reboot bootloader' the fastboot mode text is on the bottom, yet fastboot commands don't do anything, not even 'fastboot devices'.
Edit: Fastboot devices is recognized in fastbootd, but not regular fastboot, yet the other commands don't work.
In your case fastboot is located in Android's user-space, hence you run this command sequence
Code:
adb devices
adb reboot fastboot
fastboot reboot fastboot
fastboot <YOUR-COMMAND-HERE>
fastboot reboot
jwoegerbauer said:
In your case fastboot is located in Android's user-space, hence you run this command sequence
Code:
adb devices
adb reboot fastboot
fastboot reboot fastboot
fastboot <YOUR-COMMAND-HERE>
fastboot reboot
Click to expand...
Click to collapse
Fastboot reboot fastboot just brings up the fastboot command list. Assuming it's expecting me to try reboot bootloader.
That's really weird because your phone is running Android 10.
My info in settings definitely confirms that. Nothing seems to be working as expected though.
jwoegerbauer said:
That's really weird because your phone is running Android 10.
Click to expand...
Click to collapse
Is there any other possible solution? I still can't get fastboot commands to work after rebooting to fastboot mode from fastbootd.

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