Fastboot not recognized my phone? - Xiaomi Mi A1 Guides, News, & Discussion

I tried to unlock my bootloader, but my PC won't recognized it. Any solutions?

install drivers
Afisall_James said:
I tried to unlock my bootloader, but my PC won't recognized it. Any solutions?
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install adb usb drivers... and it will start recognising it

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[Q] Help me pls .cant unlock bootloader

hi i want unlock my chacha with htcdev but when i go to CMD and write commands i find this answer:waiting for device
help me pls ty
Can't Unlock the bootloader :crying:
kiahosseini said:
Hi guys .i cant unlock my bootloader with htcdev
i connect my phone to pc and open cmd .then i type (((fastboot oem get_identifier_token))) its say fastboot oem get_identifier_token is not recognized as an internal or external command. pls heeeeeeelp me .... ty
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:crying::crying::crying::crying::crying::crying:
i've been trying to unlock my bootloader of HTC ChaCha but m unable to do it
As soon as i go into the fastboot screen the device becomes unrecognizable for the machine. but when my fone is ON it is recognised as "HTC phone".
I searched many threads but none of them could solve my problems. And m so much confused right now that what to do and what exactly to follow. Please help unlocking the bootloader. Please. The "fastboot oem get_identifier_token" command just shows "<waiting for device>". Please HELP!
kiahosseini said:
Hi guys .i cant unlock my bootloader with htcdev
i connect my phone to pc and open cmd .then i type (((fastboot oem get_identifier_token))) its say fastboot oem get_identifier_token is not recognized as an internal or external command. pls heeeeeeelp me .... ty
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did you install adb? check in your terminal by writing "adb"
dj_PA101 said:
did you install adb? check in your terminal by writing "adb"
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i have other problem now
when i type fastboot oem get_identifier_token say waiting for device but i connect my phone drivers
help me pls
Try to re download the drivers
kiahosseini said:
i have other problem now
when i type fastboot oem get_identifier_token say waiting for device but i connect my phone drivers
help me pls
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Then that means the drivers aren't installed correctly also delete htc sync manager if you downloaded it
dj_PA101 said:
Then that means the drivers aren't installed correctly also delete htc sync manager if you downloaded it[/QU
what should i install for this?
delet htc synce?
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Nexus 5 stuck in bootloop

Hi. My Nexus 5 is stuck at the flying dots after Lollipop OTA update. Already try factory reset. Can´t connect to my Lap (running Windows 10) because it says in the device manager: Unknown USB Device (Device Descriptor Request Failed), so I can´t manually update the driver and can´t access it with ADB and Fastboot tool. The device has no USB debugging enabled. In the old computer where I used to connect the device and has the drivers installed says the same thing in device manager as my new laptop. Please help.
So you can't boot into fastboot using the button combination?
Hi. Thanks for your reply. I can boot into fastboot with the buttons. I entered in recovery mode and do a factory reset but still stuck at flying dots.
Is the bootloader unlocked?
audit13 said:
Is the bootloader unlocked?
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No, is locked
Here'';s a test: boot into fastboot and unlock the bootloader, reboot the phone into fastboot and see if the bootloader remains unlocked. If it remains unlocked, try flashing a stock ROM since you already did the factory reset.
audit13 said:
Here'';s a test: boot into fastboot and unlock the bootloader, reboot the phone into fastboot and see if the bootloader remains unlocked. If it remains unlocked, try flashing a stock ROM since you already did the factory reset.
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Is there a way to unlock the bootloader without using a PC?
Not sure as I gave always used a pc to unlock the bootloader.
Was the bootloader unlocked before and it happen to relock itself?
audit13 said:
Not sure as I gave always used a pc to unlock the bootloader.
Was the bootloader unlocked before and it happen to relock itself?
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No, always locked. I only installed OTA updates.
OTA updates will always work with an unlocked bootloader as long as the phone is running a stock recovery and is not rooted.
I asked about the unlocked bootloader because a bootloader that relocks itself after being unlocked in a good indication that the motherboard's emmc is defective and the motherboard needs to be replaced.
audit13 said:
OTA updates will always work with an unlocked bootloader as long as the phone is running a stock recovery and is not rooted.
I asked about the unlocked bootloader because a bootloader that relocks itself after being unlocked in a good indication that the motherboard's emmc is defective and the motherboard needs to be replaced.
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I never rooted or do anything to the phone, just OTA. Is dead anyway. Can´t do anything to fix it.
You don't have access to a computer to unlock the bootloader? I ask because an unlocked bootloader is required to flash a stock ROM.
audit13 said:
You don't have access to a computer to unlock the bootloader? I ask because an unlocked bootloader is required to flash a stock ROM.
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I do but can´t do it. Is not detected in my laptop, my laptop send my an error that says that is not working properly and if I go to device manager it says: Unknown USB Device, and can´t update the driver. So is not detected in the minimal ADB tool and can´t unlock the bootloader.
Maybe try another computer, USB cable, USB port, or OS? Could the USB port be damaged?
audit13 said:
Maybe try another computer, USB cable, USB port, or OS? Could the USB port be damaged?
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Turns out the micro USB port was damaged and that´s why any computer was able to recognize the Nexus. It was replaced. Now I fixed the persist partition problem and booting for the first time in Marshmallow . Thank you so much for your replies. Take care
Glad you got the phone working. We're all here to help.

Nexus 5 Stuck at erasing mode after factory resetting

Guys I have been using Nexus 5 since the day it was released. This evening I was factory resetting my Nexus 5 after it rebooted it just got stuck on Erasing. I'm unable to go in recovery mode also as after booting into bootloader mode and selecting recovery it just shows andriod logo and erasing, it's more than and hour like this. Can anyone please help me out with it ?
Edit: The thing is USB debugging is not activated on my device and now fastboot is not recognising my Nexus 5 on my new laptop I think it might be because of either USB Debugg or Driver problems. Ay help would be appreciated.
Can you get into fastboot and unlock the bootloader? If the bootloader remains unlocked after a reboot, you could flash a stock rom. Unlocking the bootloader will wipe the phone.
To be clear, USB debugging has nothing to do with fastboot. It is a driver or cable issue if your computer is not recognizing it. Fix the drivers and try what audit13 said.
audit13 said:
Can you get into fastboot and unlock the bootloader? If the bootloader remains unlocked after a reboot, you could flash a stock rom. Unlocking the bootloader will wipe the phone.
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wangdaning said:
To be clear, USB debugging has nothing to do with fastboot. It is a driver or cable issue if your computer is not recognizing it. Fix the drivers and try what audit13 said.
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Thanks guys it worked.

Question [SOLVED] Can't unlock bootloader

Can't unlock the bootloader, mi unlock tool won't recognize the phone, my drivers are installed manually, fastboot recognized my device, and I tried xiaomitool v2 wich also recognizes the device but prompts a message that says missing service token cookie, what can I do to unlock it I want to flash crdroid, am in versión 12.0.3
Eleazarjlugo said:
Can't unlock the bootloader, mi unlock tool won't recognize the phone, my drivers are installed manually, fastboot recognized my device, and I tried xiaomitool v2 wich also recognizes the device but prompts a message that says missing service token cookie, what can I do to unlock it I want to flash crdroid, am in versión 12.0.3
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Try another version of Mi Flash Unlock and/or change USB2 port or another PC.
https://c.mi.com/thread-1857937-1-1.html
What I end up doing was putting the miunlock folder in the root of my device and now does detect mi phone while in fastboot, thanks.
Eleazarjlugo said:
What I end up doing was putting the miunlock folder in the root of my device and now does detect mi phone while in fastboot, thanks.
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is the whole miunlock folder? please can you explain where is the root location you mean? thx
Mumoo) said:
is the whole miunlock folder? please can you explain where is the root location you mean? thx
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C:\miunlock

Driver problem with poco f2 pro in bootloader mode

So I want to unlock the bootloader of my poco f2 pro. I installed minimal adb and fastboot, google usb drivers and the mi unlocker tool. Adb does register my device, fastboot will only recognize my device if I use the adb reboot fastboot command. If I use adb reboot bootloader fastboot wont recognize my device and the device manager will show a missing driver. The unlocker tool wont recognize my phone neither in fastboot nor in bootloader mode. I tried using the xiaomi usb drivers but they appear to be too outdated (2011) or something else but I cant install these drivers. Any ideas what driver to use or how else to bypass the problem? I also tried reinstalling minimal adb and fastboot while my device was in bootloader mode hoping it would install the driver but still no success. The drivers coming with the mi unlocker tool were also useless. To rule easy things out, I tried different ports, cables and even pcs, every time the exact same problem. Usb debugging and oem unlock were obviously enabled and my device is registered for unlock.
Rainbow_Chameleon said:
So I want to unlock the bootloader of my poco f2 pro. I installed minimal adb and fastboot, google usb drivers and the mi unlocker tool. Adb does register my device, fastboot will only recognize my device if I use the adb reboot fastboot command. If I use adb reboot bootloader fastboot wont recognize my device and the device manager will show a missing driver. The unlocker tool wont recognize my phone neither in fastboot nor in bootloader mode. I tried using the xiaomi usb drivers but they appear to be too outdated (2011) or something else but I cant install these drivers. Any ideas what driver to use or how else to bypass the problem? I also tried reinstalling minimal adb and fastboot while my device was in bootloader mode hoping it would install the driver but still no success. The drivers coming with the mi unlocker tool were also useless. To rule easy things out, I tried different ports, cables and even pcs, every time the exact same problem. Usb debugging and oem unlock were obviously enabled and my device is registered for unlock.
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Delete all drivers.
reinstall them.
All my drivers are 2016(W10/W11).
Try another version.
https://c.mi.com/thread-2262302-1-0.html

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