My Mi A2 is not recogonized in the Fastboot Command!? - Xiaomi Mi A2 / 6X Questions & Answers

When i try to unlock bootloader, i installed the necessary adb driver and platform tools but while installing abd it show "(0) files copied" and when i use the fastboot command in the powershell/cmd it doesn't show my device!. Please do help!

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OnePlus3t bricked can only boot into fastboot, however my ADB driver no longer works

I have ran into a bit of an odd problem due to me messing up a root and then messing my phone up even more while trying to fix it.
my phone is fully bricked and only boots into fastboot mode. i tried to fix it with the one-plus fixer (idk its official name) but i got an error 7. I now need to re flash an older version of TWRP and try a diffrent method but i cant as my phone no longer is recognized in fastboot using the ADB tool. I have the USB driver installed on Windows. On Linux i ran the .sh script as root and it still doesn't work.
I have both Ubuntu and Windows installed on my PC so i can do whatever you suggest me to do regardless of the os.
Thank you to anyone that can help in advanced
Malte
This is not a hardbrick; a hard one wouldn't boot at all and give no sign of life (except when plugged to PC).
Try an unbrick tool to revert to official OOS. On Windows 7+ remember to disable signed driver enforcement.
You mention fastboot and adb. Which one are you using?
Just to make sure: While in the bootloader (fastboot mode), adb does not work. You have to use the fastboot commands. Installing TWRP would be:
Code:
fastboot flash recovery <name-of-img-file>
If that's what you're already trying, just ignore this post.
I want to be able to do that but if i do adb devices it no longer finds my phone
Didgeridoohan said:
You mention fastboot and adb. Which one are you using?
Just to make sure: While in the bootloader (fastboot mode), adb does not work. You have to use the fastboot commands. Installing TWRP would be:
Code:
fastboot flash recovery <name-of-img-file>
If that's what you're already trying, just ignore this post.
Click to expand...
Click to collapse
I want to be able to do that but if i do "adb devices" in the cmd/terminal it no longer finds my phone. so my goal is to be able to execute that command. However, i may be mistaken that it doesnt need to find my phone i can just execute that command
Ive done this but it didnt fix my phone.
przemcio510 said:
This is not a hardbrick; a hard one wouldn't boot at all and give no sign of life (except when plugged to PC).
Try an unbrick tool to revert to official OOS. On Windows 7+ remember to disable signed driver enforcement.
Click to expand...
Click to collapse
I did this last night but it never fixed my phone. it boots and then says "md5 checksum error" so im needing to try a diffrent approach but i cant because i cant flash anything onto it due to adb not finding my device now
Bandella said:
I want to be able to do that but if i do "adb devices" in the cmd/terminal it no longer finds my phone. so my goal is to be able to execute that command. However, i may be mistaken that it doesnt need to find my phone i can just execute that command
Click to expand...
Click to collapse
Like I said, the adb commands won't work while in the booloader (that's why it's called fastboot mode). You need to use fastboot commands... The equivalent command would be:
Code:
fastboot devices
Bandella said:
I did this last night but it never fixed my phone. it boots and then says "md5 checksum error" so im needing to try a diffrent approach but i cant because i cant flash anything onto it due to adb not finding my device now
Click to expand...
Click to collapse
I had the same issues with md5, all you have to do is try a different USB port. I suggest the ones on your motherboard if you're on a PC. Then run the tool as administrator. I hope this helps, good luck!
P.S if it still doesn't work, try a different PC, I'm 100% sure it'll work
Bandella said:
I want to be able to do that but if i do "adb devices" in the cmd/terminal it no longer finds my phone. so my goal is to be able to execute that command. However, i may be mistaken that it doesnt need to find my phone i can just execute that command
Click to expand...
Click to collapse
As Didgeridoohan touched upon, adb and fastboot (while related) are different. They have different requirements and applications.
adb won't work while the device is in fastboot mode. Conversely, when the device is able to use adb, fastboot commands won't work.
adb: only works booted to OS or alternately in TWRP. Debugging must be enabled
fastboot: only works in bootloader-fastboot mode. Debugging is not required to be enabled.
For flashing TWRP, it's fastboot that you need. Well, there is a way to do it with adb, but fastboot is by far the more common way.
When in fastboot mode, adb command won't work, and there fore it is completely expected that "adb devices" yields not response. Try "fastboot devices" (no quotes) and if you get the phone's ID in response, you are in business.
Bandella said:
...
my phone ... only boots into fastboot mode...
Click to expand...
Click to collapse
I've had this happen to me when I've triggered dm-verity. Instead of getting the dm-verity warning display the phone would simply boot straight back to fastboot.
My solution was to:
- flash the latest TWRP using
Code:
fastboot flash recovery <recovery file. img>
- reboot into recovery (use the volume keys on the phone to select recovery and then press the power key)
-flash the full stock image I was using before the problem started
This would clean up any changes made to the boot and system images and allow me to boot the system normally.
Note: because this leaves you with a stock kernel you'll end up with the stock recovery after you boot the system.
Sent from my OnePlus3T using XDA Labs
boot your PC into Ubuntu and install adb/fastboot (tons of guides available off the 'net). then boot your 3t to dl mode and connect it to your PC. as mentioned already "fastboot devices" should list your 3t and you should now be able to flash to your heart's content. no need for drivers, unlike under Windows. i have a bootable linux usb drive primarily for this reason. curious what script you're trying to run though..

Fastboot Devices comes up empty

im on w10 and im having trouble using fastboot commands through cmd (in a folder with the files)
my device is not showing up when i type "fastboot devices" when i go into fastboot mode or flash mode
when i open cmd and type in "fastboot boot twrp.img" or "fastboot flash recovery twrp.img", it gets stuck saying "< waiting for device >"
but when i use flashtool, it recognizes that im in fastboot mode or flash mode
i have installed:
adb drivers
fastboot drivers
flashtool
platform tools
android sdk
google usb driver
i have tried uninstalling the drivers and reinstalling them through device manager
my device shows up as "S1Boot Fastboot"
my main objective is to get twrp in order to flash oreo carbon rom with magisk
Did you install the fastboot drivers through the file in the Flashtool folder, with the installation of unsigned drivers allowed in Windows (driver signature enforcement disabled)? Suppose that's often a problem.
I had the same problem as you, and I noticed that some [automatic] Windows update had apparently uninstalled those drivers. Installing them again did the trick for me. Good luck.
LaRazón said:
Did you install the fastboot drivers through the file in the Flashtool folder, with the installation of unsigned drivers allowed in Windows (driver signature enforcement disabled)? Suppose that's often a problem.
I had the same problem as you, and I noticed that some [automatic] Windows update had apparently uninstalled those drivers. Installing them again did the trick for me. Good luck.
Click to expand...
Click to collapse
sucha simple fix lol
thanks

Cannot relock bootloader with Tool-all-in-one on ROG Phone 3

Hello,
despite presumably doing everything correctly, Tool spews this error when I'm trying to relock the BL by using "fastboot oem asus-lock" command:
FAILED (remote: 'Command not supported in default implementation')
1. I have connected the phone to the side port.
2. Tool folder is directly in C:\ directory.
3. ADB binaries are installed correctly.
4. Phone is in fastboot mode and detected, but the tool cannot detect correctly which phone it is and asks me to choose the model manually, but ROG 3 is not on the list, so I chose ROG Phone 2. Does it matter? If so, what do I do? I also set priviledges for Tool-all-in-one systemwide, does it matter?
Also, should I use the command line in Advanced Options of the tool, or should I rightclick the folder and summon the command line from there? Please help, I don't have any more ideas! Thank you!
use the side usb port (the top black one, not the bottom orange one) and try the command again through FB
Thank you for fast response!
I'm constantly using the sideport, and the command still fails with the message above.
What I can add is that EVERY fastboot process fails with the SAME message, so it's not just relocking that is the problem, but it seems that every fastboot command cannot be executed on my ROG Phone 3 (aside from fastboot devices, which correctly shows my device as connected).
Which suggests to me that something is wrong with my setup. Anybody has any idea?
When I try to relock my rog phone 3 I do the list devices command and it shows my device, I then reboot into fastboot
and type command fastboot oem asus-lock and all it says is <waiting for device> how can I relock bootloader???????? If there was an apk to unlock it shouldnt there be an apk to relock it?
You need install fastboot drivers on your pc, so device manager will see your phone

Question Mi 11 Ultra not detected in FASTBOOT

Hi Friends,
I recently updated the Ultra to MIUI 13.03.
I enabled "Developer Options" and enabled "USB Debugging"
Recently Clean installed Windows 11.
Extracted Platform tools downloaded from Android Google website.
but when i typed "adb devices". The device wasn't detected.
then i saw in device manager driver wasn't installed, so downloaded the MiFlashTool and
tried to install drivers in that folder through Windows Device manager, It installed "Android ADB driver" But still my device isn't
listed in ADB Devices
Please help.
Have you tried a different cable? I'm not teaching you to suck eggs but some cables are just not up to it.
Can you see the red fastboot logo on the phone?
Or try a different phone to prove its not your set up.
Sathelp said:
Have you tried a different cable? I'm not teaching you to suck eggs but some cables are just not up to it.
Can you see the red fastboot logo on the phone?
Or try a different phone to prove its not your set up.
Click to expand...
Click to collapse
I'm able to detect device in "ADB Devices" when phone is booted into android OS, even the MiFlashTool also detects the device when phone in booted into OS.
But after i type ADB reboot bootloader, phone restarts into FASTBOOT, i can see RED "FASTBOOT" logo in phone screen but it doesn't get detected.
How come phone gets detected in ADB when Phone is booted into OS MIUI13 but not in FASTBOOT.
I'm on windows 11 .
I changed the cable also with a new Xiaomi cable purchased recently, still the same result.
You can never see a result to detect mi 11 ultra through ADB devices. Rest assured your device is already detected and ready to use. Even though can not see device address.
I had the same case. Make sure all the necessary drivers are installed.
At first mine was also not detected in fastboot. When I first ran MI Flash Tool, it automatically installed some drivers. And I also manually installed USB driver of MI 11 Ultra.
After that MI Flash detected my phone in fastboot.
A small suggestion from me: Use "Xiaomi ADB Fastboot Tools" for flashing. MI Flash was giving me, timeout error and my device got into fastboot loop. After flashing with "Xiaomi ADB Fastboot Tools" all went well.
hello, I also had this problem and to solve it I used the driver of Mi unlock which is at the level of the parameters and launch it in fastboot then connect it to the pc and the drivers must be installed
I had a similar problem with my Mi 10. Found via ADB but wouldn't show in fastboot. Tge way I solved it was to boot into TWRP recovery (assuming you have it) and then go to their reboot menu and choose fastboot from there. It will then put you into their version of fastboot and your computer should recognise the phone in fastboot mode.
I hope this helps
jaggub4u said:
Hi Friends,
I recently updated the Ultra to MIUI 13.03.
I enabled "Developer Options" and enabled "USB Debugging"
Recently Clean installed Windows 11.
Extracted Platform tools downloaded from Android Google website.
but when i typed "adb devices". The device wasn't detected.
then i saw in device manager driver wasn't installed, so downloaded the MiFlashTool and
tried to install drivers in that folder through Windows Device manager, It installed "Android ADB driver" But still my device isn't
listed in ADB Devices
Please help.
Click to expand...
Click to collapse
Adb and Fastboot is not the same thing!
If you're phone is detected in ADB, it means you have install the Adb Driver ( which more than probably is Google Driver or Xiaomi driver for ADB ).
In order for you phone to be in Fastboot do the following:
- Reboot to Fastboot and connect your phone to PC with original Xiaomi cable from the box
- Go to Device Manager > Other Devices > Android Device ( you will see a yellow sign, which means you don't have the Fastboot Driver )
- Download XiaomiMi11 Ultra Bootloader Driver.zip, unzip it
- Click on the Android Device with yellow sign > Update driver > Browse my computer for drivers > Select the Xiaomi Bootloader Folder
It will install the driver.
From here you're good to go!

Question fastboot devices not showing

When I open PowerShell and run the command "fastboot devices" my phone isn't getting detected. My phone is connected to my PC, I've installed platform tools & adb as well as the correct ROM. I'm pretty new to rooting so I'm not sure what's going on. I don't have a SIM Card so that might be the issue, but I'm trying to find a root guide that doesn't require sim.
What I've installed;
Latest USB Driver (MTP USB Device)
Latest ADB/Fastboot from android.com/studio/releases/platform-tools
Installed Fastboot ROM MIUI V13.0.6.0.SKDMIXM Stable from https://xiaomirom.com/en/rom/xiaomi.../#download-xiaomi-11t-pro-stable-fastboot-rom
Device Specs:
- MIUI Global 13.0.6 Stable (SKDMIXM)
- Android ver. 12 SKQ1.211006.001
Following this guide to root and have been following step by step up to 3:12:
WhalePC said:
When I open PowerShell and run the command "fastboot devices" my phone isn't getting detected. My phone is connected to my PC, I've installed platform tools & adb as well as the correct ROM. Not sure what's going on.
Following this guide to root and have been following step by step up to 3:12:
Click to expand...
Click to collapse
Maybe you summarized the command in your statement but with power shell the command is "./fastboot devices"
Do you see the device icon in the taskbar?
NOSS8 said:
Maybe you summarized the command in your statement but with power shell the command is "./fastboot devices"
Do you see the device icon in the taskbar?
Click to expand...
Click to collapse
Yeah i see the icon on my taskbar. Just tried running it via "./fastboot devices" and no devices show up. I haven't unlocked the bootloader yet (haven't enabled Mi Unlock status) yet is that maybe the issue? If so, is there a way to root without the need of a sim card?
WhalePC said:
Yeah i see the icon on my taskbar. Just tried running it via "./fastboot devices" and no devices show up. I haven't unlocked the bootloader yet (haven't enabled Mi Unlock status) yet is that maybe the issue? If so, is there a way to root without the need of a sim card?
Click to expand...
Click to collapse
You generally shouldn't need a SIM card to use ADB or fastboot commands.
Are you sure you have the correct drivers installed? Does the device appear under adb devices when in Android?
V0latyle said:
You generally shouldn't need a SIM card to use ADB or fastboot commands.
Are you sure you have the correct drivers installed? Does the device appear under adb devices when in Android?
Click to expand...
Click to collapse
How do i check that I have the correct drivers installed? I ran adb devices and it showed my device 3d37ace2 device was connected.
EDIT: Here's how I enter into fastboot and excute commands;
- Plug in phone into PC and wait for icon to show up on taskbar
- Open Powershell in platform-tools folder
- Power off phone and enter fastboot (hold down power button+vol down)
- Once Fastboot text shows up on my phone I run the command "fastboot devices" in powershell
WhalePC said:
How do i check that I have the correct drivers installed? I ran adb devices and it showed my device 3d37ace2 device was connected.
EDIT: Here's how I enter into fastboot and excute commands;
- Plug in phone into PC and wait for icon to show up on taskbar
- Open Powershell in platform-tools folder
- Power off phone and enter fastboot (hold down power button+vol down)
- Once Fastboot text shows up on my phone I run the command "fastboot devices" in powershell
Click to expand...
Click to collapse
This looks like a good place to start. It's possible you have a generic ADB driver installed and may need a device specific one.
V0latyle said:
This looks like a good place to start. It's possible you have a generic ADB driver installed and may need a device specific one.
Click to expand...
Click to collapse
Just reinstalled the latest ADB/Fastboot from https://androidmtk.com/download-15-seconds-adb-installer and still have the same issue. I also installed Xiaomi AB/Fastboot Tools to check if it can identify my device and it does.
Running adb shell in cmd prompt outputs:
Code:
C:\Users\Whale>adb shell
* daemon not running; starting now at tcp:5037
* daemon started successfully
vili:/ $
But once it's in fastboot it responds with:
Code:
C:\Users\Whale>adb shell
adb.exe: no devices/emulators found
Same for Powershell:
Code:
PS C:\Users\Whale\Downloads\11t pro\platform-tools> adb devices
List of devices attached
3d37ace2 device
PS C:\Users\Whale\Downloads\11t pro\platform-tools> fastboot devices
PS C:\Users\Whale\Downloads\11t pro\platform-tools> ./fastboot devices
PS C:\Users\Whale\Downloads\11t pro\platform-tools> adb devices
List of devices attached
PS C:\Users\Whale\Downloads\11t pro\platform-tools> fastboot devices
PS C:\Users\Whale\Downloads\11t pro\platform-tools> ./fastboot devices
Currently, when my phone is turned on (not in fastboot), my device is detected as 3d37ace2 (codename: vili), but as soon as it goes to Fastboot, it no longer can detect the device.
WhalePC said:
Just reinstalled the latest ADB/Fastboot from https://androidmtk.com/download-15-seconds-adb-installer and still have the same issue. I also installed Xiaomi AB/Fastboot Tools to check if it can identify my device and it does.
Running adb shell in cmd prompt outputs:
Code:
C:\Users\Whale>adb shell
* daemon not running; starting now at tcp:5037
* daemon started successfully
vili:/ $
But once it's in fastboot it responds with:
Code:
C:\Users\Whale>adb shell
adb.exe: no devices/emulators found
Same for Powershell:
Code:
PS C:\Users\Whale\Downloads\11t pro\platform-tools> adb devices
List of devices attached
3d37ace2 device
PS C:\Users\Whale\Downloads\11t pro\platform-tools> fastboot devices
PS C:\Users\Whale\Downloads\11t pro\platform-tools> ./fastboot devices
PS C:\Users\Whale\Downloads\11t pro\platform-tools> adb devices
List of devices attached
PS C:\Users\Whale\Downloads\11t pro\platform-tools> fastboot devices
PS C:\Users\Whale\Downloads\11t pro\platform-tools> ./fastboot devices
Currently, when my phone is turned on (not in fastboot), my device is detected as 3d37ace2 (codename: vili), but as soon as it goes to Fastboot, it no longer can detect the device.
Click to expand...
Click to collapse
ADB commands won't work in fastboot and vice versa. When your device is in Android or recovery, you can use ADB commands, but when it's in bootloader mode, you have to use fastboot commands. ADB shell won't do anything for you in fastboot because there's no kernel running, much less a shell.
Since your device isn't appearing under fastboot devices it's most likely a driver issue. You need two separate drivers; the ADB driver is not device specific, but the bootloader driver is.
Case in point: This is what appears when my Pixel 5 is connected while booted into Android:
When I reboot to bootloader, this is what I see:
So, this is what I suggest:
Reboot to bootloader, connect to your PC, and look at Device Manager to see if anything comes up as unrecognized. Make sure it's the right device by unplugging the USB cable; it should disappear. You'll then need to update the driver, and point it to the the Xiaomi driver folder.
V0latyle said:
ADB commands won't work in fastboot and vice versa. When your device is in Android or recovery, you can use ADB commands, but when it's in bootloader mode, you have to use fastboot commands. ADB shell won't do anything for you in fastboot because there's no kernel running, much less a shell.
Since your device isn't appearing under fastboot devices it's most likely a driver issue. You need two separate drivers; the ADB driver is not device specific, but the bootloader driver is.
Case in point: This is what appears when my Pixel 5 is connected while booted into Android:
View attachment 5731657
When I reboot to bootloader, this is what I see:
View attachment 5731663
So, this is what I suggest:
Reboot to bootloader, connect to your PC, and look at Device Manager to see if anything comes up as unrecognized. Make sure it's the right device by unplugging the USB cable; it should disappear. You'll then need to update the driver, and point it to the the Xiaomi driver folder.
Click to expand...
Click to collapse
Thanks fam, was able to solve it by installing a different driver from this video:
.
Now I'm getting an error:
Code:
PS C:\Users\Whale\Downloads\11t pro\platform-tools> fastboot flash boot magisk_patched.img
Sending 'boot_a' (196608 KB) OKAY [ 4.210s]
Writing 'boot_a' FAILED (remote: 'Flashing is not allowed in Lock State')
fastboot: error: Command failed
which I assume means I need to unlock my bootloader via Mi Unlock status?
WhalePC said:
Thanks fam, was able to solve it by installing a different driver from this video:
.
Now I'm getting an error:
Code:
PS C:\Users\Whale\Downloads\11t pro\platform-tools> fastboot flash boot magisk_patched.img
Sending 'boot_a' (196608 KB) OKAY [ 4.210s]
Writing 'boot_a' FAILED (remote: 'Flashing is not allowed in Lock State')
fastboot: error: Command failed
which I assume means I need to unlock my bootloader via Mi Unlock status?
Click to expand...
Click to collapse
Yep. I don't know how it works on Xiaomi devices but try fastboot flashing unlock
Unlocking your bootloader will wipe data, so if you need to back anything up, do that first.
Enter in FASTBOOT MODE: press Power+Volume down button for 4-5 sec in the same time,the phone reboot, at the vibration release the power button.Now plug in the phone to the PC.
Having the bootloader locked does not prevent seeing the device in Fastboot mode.(***Not useful at the moment)
To root you must first unlock the bootloader.(***your bootloader is locked)(FAILED (remote: 'Flashing is not allowed in Lock State')
Unlock the bootloader
You must have a Xiaomi account and a valid sim.
Procedure:
https://new.c.mi.com/global/post/101245
https://en.miui.com/unlock/index.html
Why look for tutorials on You tube'Sometimes good, sometimes fake) while on XDA(Always good )in the How to section of your device these tutorials exist and specify that the bootloader must be unlocked.
https://forum.xda-developers.com/t/root-xiaomi-11t-pro.4441213/
https://forum.xda-developers.com/t/...structions-for-xiaomi-11t-pro-global.4362515/
check debugging via USB option.
WhalePC said:
When I open PowerShell and run the command "fastboot devices" my phone isn't getting detected. My phone is connected to my PC, I've installed platform tools & adb as well as the correct ROM. I'm pretty new to rooting so I'm not sure what's going on. I don't have a SIM Card so that might be the issue, but I'm trying to find a root guide that doesn't require sim.
What I've installed;
Latest USB Driver (MTP USB Device)
Latest ADB/Fastboot from android.com/studio/releases/platform-tools
Installed Fastboot ROM MIUI V13.0.6.0.SKDMIXM Stable from https://xiaomirom.com/en/rom/xiaomi.../#download-xiaomi-11t-pro-stable-fastboot-rom
Device Specs:
- MIUI Global 13.0.6 Stable (SKDMIXM)
- Android ver. 12 SKQ1.211006.001
Following this guide to root and have been following step by step up to 3:12:
Click to expand...
Click to collapse
You will need to manually configure fastboot drivers.

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