Fastboot mode problems - Android Q&A, Help & Troubleshooting

Is it normal that my device don't have fastboot mode with key combinations?
Also adb reboot bootloader dont work...
EDIT: Device - Hisense STARADDICT 6 (L730) Android 6.0.1

Before sending a question you have to send which device is

jeangraff30 said:
Before sending a question you have to send which device is
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Done amigo!

Yup same problem is with me So last night i found a recovery.img File for my mobile and flash it via Twrp.
Then when i start it in recovery it was in fastboot mode.
Maybe there is same method of fastboot mode for ur device like mine device keep searching.

Related

Sharp Aquos S2 stucked in Download mode

Hi:
My unlocked bootloader SS2 phone got stucked in Download Mode after successfully installed/flashed AICP ROM
It booted once and when i rebooted to enter recovery got stucked. Tried pushing buttons combos but still stucked in Dmode.
Have no access to fastboot from Windows but can get limited access to fastboot in Debian: can flash several twrp recoveries, can flash
AICP ROM again but can not get fastboot oem commands working.
Can't enter to recovery because phone never turn off.
Tried also to come back to Nougat but can't enter recovery to flash ss2_old_bootloader.
I do not know what to do.
Any help?
Also have this problem... any help?
have u try to connect into computer, use adb, and use this command :
Code:
fastboot reboot
what's the result with that?
No connection.
But i have reinstalled OST Treble ROM and phone now working.
gsausalito said:
Hi:
My unlocked bootloader SS2 phone got stucked in Download Mode after successfully installed/flashed AICP ROM
It booted once and when i rebooted to enter recovery got stucked. Tried pushing buttons combos but still stucked in Dmode.
Have no access to fastboot from Windows but can get limited access to fastboot in Debian: can flash several twrp recoveries, can flash
AICP ROM again but can not get fastboot oem commands working.
Can't enter to recovery because phone never turn off.
Tried also to come back to Nougat but can't enter recovery to flash ss2_old_bootloader.
I do not know what to do.
Any help?
Click to expand...
Click to collapse
I also have problem after flashing to AICP and sometimes phone (after power off) stuck in Download mode.
Just enter:
fastboot --set-active=a reboot
rgr1 said:
I also have problem after flashing to AICP and sometimes phone (after power off) stuck in Download mode.
Just enter:
fastboot --set-active=a reboot
Click to expand...
Click to collapse
I have the same problem. I tried to follow your advice, but fastboot in my PC doesn't recognize the parameter (all I get is fastboot help page).
Regards.
EDIT: reinstalled treble v3.1 via OST and it fixed the download mode issue.
thanks!
hi,
got the same problem, stuck at download mode but phones can`t to pc via usb so I am unable to use fastreboot.
Any other suggestions how to fix it ?
internety1 said:
hi,
got the same problem, stuck at download mode but phones can`t to pc via usb so I am unable to use fastreboot.
Any other suggestions how to fix it ?
Click to expand...
Click to collapse
in my xperience is connect your phone to the PC then open cmd ... make sure in folder of adb and fastboot .exe stored ...
type:
Code:
fastboot continue
longu said:
I have the same problem. I tried to follow your advice, but fastboot in my PC doesn't recognize the parameter (all I get is fastboot help page).
Regards.
EDIT: reinstalled treble v3.1 via OST and it fixed the download mode issue.
Click to expand...
Click to collapse
Maybe use other fastboot.
Sometimes you must enter:
Code:
fastboot --set-active=_a reboot
("_a" instead of "a")
BTW. My Aquos sometimes stuck in download mode after installing AICP.
I fixed this by entering:
Code:
adb shell
bootctl mark-boot-successful
Hello, i have the same exact problem. I tried to use adb program to fix this problem, but my laptop couldn't recognize my device. Any other solutions would be helpful. Thanks for your attention! (I'm a beginner in technology, so please forgive me)

Can't connect to my phone

I tried to much with installing diffent ROMs and now nothing's working anymore.
My poco starts only to fastboot but I can't connect with adb. Any other possibilities?
Drivers are all ok on the PC, because my second poco is normaly recognised.
Thanks for help.
Given unlocked bootloader, If you can only boot to fastboot maybe your recovery was deleted. You probably need to install twrp:
1.get twrp here:
https://forum.xda-developers.com/poco-f1/how-to/recovery-official-twrp-t3883736
2. If fastboot is working then:
https://www.xda-developers.com/how-to-install-twrp/
If you can boot to twrp then flash a custom rom
Note that I'm unsure if above will work, only guessed
Can't flash twrp because in adb mode it shows < waiting for any device >
gartmann said:
Can't flash twrp because in adb mode it shows < waiting for any device >
Click to expand...
Click to collapse
What happens if you type fastboot devices

Need help with OP7T Pro soft brick

Hi,
Would like some help with a little issue i'm having,
Got a HD1910 model of the phone running the global rom and it seems to be stuck in 'fastboot' mode. Every time the phone reboots or pressing 'start' it will return back to fastboot mode.
Extra details:
It's locked and the developer tools were never enabled.
Occasionally it has shown `qualcomm crash dump mode` with no extra details.
Using this MSM tool it completes successfully but still continues booting into fastboot mode.
All buttons and ports are working.
Using ADB `fastboot reboot` reboots the device but still into fastboot mode
It started to happen after I woke up from installing the latest OTA official oneplus update.
Any help would be appreciated
funnycube said:
Hi,
Would like some help with a little issue i'm having,
Got a HD1910 model of the phone running the global rom and it seems to be stuck in 'fastboot' mode. Every time the phone reboots or pressing 'start' it will return back to fastboot mode.
Extra details:
It's locked and the developer tools were never enabled.
Occasionally it has shown `qualcomm crash dump mode` with no extra details.
Using this MSM tool it completes successfully but still continues booting into fastboot mode.
All buttons and ports are working.
Using ADB `fastboot reboot` reboots the device but still into fastboot mode
It started to happen after I woke up from installing the latest OTA official oneplus update.
Any help would be appreciated
Click to expand...
Click to collapse
Try this might work need to download full ROM
1.Boot into recovery
2.Tap on upgrade from USB
3.Go to your computer and open a command window
"Click Shift and Right click simultaneously"
4. Type the following command
Adb sideload file name.zip
5.Wait for the process to complete
6.Reboot your device
jaythenut said:
Try this might work need to download full ROM
1.Boot into recovery
2.Tap on upgrade from USB
3.Go to your computer and open a command window
"Click Shift and Right click simultaneously"
4. Type the following command
Adb sideload file name.zip
5.Wait for the process to complete
6.Reboot your device
Click to expand...
Click to collapse
Thanks for the reply, but it seems entering into recovery just reboots back into fastboot mode.
Hmm, seems from your description as if your recovery is broken. You could flash a stock recovery in fastboot with the "fastboot flash recovery <filename.img>" command, for download of recoveries you could take a look at this thread and find one suitable for your device/regional version. Once you got a working recovery you can proceed as written above...
Good luck !
s3axel said:
Hmm, seems from your description as if your recovery is broken. You could flash a stock recovery in fastboot with the "fastboot flash recovery <filename.img>" command, for download of recoveries you could take a look at this thread and find one suitable for your device/regional version. Once you got a working recovery you can proceed as written above...
Good luck !
Click to expand...
Click to collapse
Thanks,
But it seems the requirements state it requires a `unlocked bootloader` which mine is not. :/
funnycube said:
Thanks,
But it seems the requirements state it requires a `unlocked bootloader` which mine is not. :/
Click to expand...
Click to collapse
You can try to reboot into stock recovery instead of flash it
"fastboot reboot recovery recovery.img"
And then follow the other steps explained on 2nd post

ZTE Blade v9 no Fastboot only Ftm

I want to unlock the bootloader on my ZTE Blade v9 but i can only boot normal in recovery mode and in ftm (Factory Test Mode). In Ftm i can use adb but not with root and without fastboot. If i type in adb "adb reboot bootloader" , its just an normal reboot. When i select reboot to bootloader in the recovery mode too. I can go in Edl on my phone too when i press both volume buttons. So is there a way to go in fastboot? Sorry for my bad english i am german.
Fastboot commands basicallly only work if device's bootloader is unlocked. You do this via enabling in Android Settings -> Developer options -> "OEM unlock", restart device, and run commands
Code:
fastboot devices
fastboot flashing unlock
and again restart device.
The thing is I can't boot into fastboot.
The thing is i can't boot into fastboot.
Kiwilikecookies said:
The thing is i can't boot into fastboot.
Click to expand...
Click to collapse
What do you want to express with this? Do you mean you can't boot into device's bootloader mode?
Code:
adb devices
adb reboot fastboot
What error message do you get when doing what?
Please clarify.
Kiwilikecookies said:
I want to unlock the bootloader on my ZTE Blade v9 but i can only boot normal in recovery mode and in ftm (Factory Test Mode). In Ftm i can use adb but not with root and without fastboot. If i type in adb "adb reboot bootloader" , its just an normal reboot. When i select reboot to bootloader in the recovery mode too. I can go in Edl on my phone too when i press both volume buttons. So is there a way to go in fastboot? Sorry for my bad english i am german.
Click to expand...
Click to collapse
At 4pda is instructions, using service firmware's aboot
ZTE Blade V9 - Обсуждение - 4PDA
ZTE Blade V9 - Обсуждение, Смартфон, 5.7"
4pda.ru
Mentioned here: https://romprovider.com/zte-blade-v9-twrp/
jwoegerbauer said:
What do you want to express with this? Do you mean you can't boot into device's bootloader mode?
Code:
adb devices
adb reboot fastboot
What error message do you get when doing what?
Please clarify.
Click to expand...
Click to collapse
It's only a normal reboot
CXZa said:
At 4pda is instructions, using service firmware's aboot
ZTE Blade V9 - Обсуждение - 4PDA
ZTE Blade V9 - Обсуждение, Смартфон, 5.7"
4pda.ru
Mentioned here: https://romprovider.com/zte-blade-v9-twrp/
Click to expand...
Click to collapse
Thanks i am going to check it out now
Kiwilikecookies said:
Thanks i am going to check it out now
Click to expand...
Click to collapse
I am not able to download the tools.zip file. So what can i do then?
Kiwilikecookies said:
It's only a normal reboot
Click to expand...
Click to collapse
Have you ever tried this?
jwoegerbauer said:
Have you ever tried this?
Click to expand...
Click to collapse
I saw that so often there is not physical camera button or home button. Only a normal camera and with Android a navigation bar. and with Volume + i get in recovery mode and with Volume - i get in Ftm.
Kiwilikecookies said:
I am not able to download the tools.zip file. So what can i do then?
Click to expand...
Click to collapse
Good luck! (and remember to make a backup first.)
Thanks
CXZa said:
Good luck! (and remember to make a backup first.)
Click to expand...
Click to collapse
I cannot speak russian so I use a translator but i don't understand it clearly. Did someone the guide and explain me how to do it.
If I have understood correctly, OP has a problem with Fastboot Mode (Bootloader Mode) and not with Recovery Mode. Wonder why OP should install a CR ( TWRP ) to solve his problem?
@Kiwilikecookies
A CR replaces device's Stock Recovery, what can't be undone. Do you really want this?
jwoegerbauer said:
If I have understood correctly, OP has a problem with Fastboot Mode (Bootloader Mode) and not with Recovery Mode. Wonder why OP should install a CR ( TWRP ) to solve his problem?
@Kiwilikecookies
A CR replaces device's Stock Recovery, what can't be undone. Do you really want this?
Click to expand...
Click to collapse
I want to unlock the bootloader to install Cr or Twrp with EDL and when i can backup it i do(wich is not importent for me), root my device and install a custom rom because there are no more official updates.
How Fastboot is implemented on a mobile device if at all ( Note: The fastboot mode is available on a lot of devices but not on all the devices out there ) varies from OEM to OEM. It's on you to find out this.
I know that from my old broken phone where i had a bootloop and had to reinstall android but i want to unlock the bootloader and my phone hasn't fastboot. So i have only recovery, ftm and EDL wich i can boot into it. I only want to unlock the bootloader i know then how to flash twrp (with edl).
Hello, i bricked my V9 . Cant communicate via ADB anymore. It shows me DFU5 COM5 under Windows and when i use ZTE Terminal i can change it it to QDLoader 9008 COM6 but still no communication via ADB possible. The only thing that works is Recovery Mode but can't install update.zip (OEM unlock not enabled, Bootloader is unlocked) and Sideload also not working (adb: sideload connection failed: no devices/emulators found). And it's not a USB, Drivers or ADB problem. Another phone works. Qfil can't communicate with COM6 and in COM5 Mode it says "Switch to EDL Fail". What i can do now?
XTA4235 said:
Hello, i bricked my V9 . Cant communicate via ADB anymore. It shows me DFU5 COM5 under Windows and when i use ZTE Terminal i can change it it to QDLoader 9008 COM6 but still no communication via ADB possible. The only thing that works is Recovery Mode but can't install update.zip (OEM unlock not enabled, Bootloader is unlocked) and Sideload also not working (adb: sideload connection failed: no devices/emulators found). And it's not a USB, Drivers or ADB problem. Another phone works. Qfil can't communicate with COM6 and in COM5 Mode it says "Switch to EDL Fail". What i can do now?
Click to expand...
Click to collapse
check params.cmd

unable to connect mobile with pc in bootloader

Hi guys I am having an interested issue,
I want to install custom rom in my phone
I have downloaded in depth test and applied for un depth test
my mobile do connect to computer when it prompt to select mod I do select file transfer and my mobile do connect to laptop
and it shows in "adb devices" but when it goes into bootloader mod my mobile gets disconnected I have done everything I could
I have install every possible driver i got from articles but non worked is it the issue with my windows 10 ? or driver issue I have spent my whole night on this but couldn't find the way
fastboot devices
0purple said:
fastboot devices
Click to expand...
Click to collapse
what does it mean ?
when i connect my phone it prompt me with this and usb debugging is on
i tried adb devices but it didn't showed anything but when i chose transfer file it do connect to the laptop and shows in adb devices
najam489 said:
what does it mean ?
Click to expand...
Click to collapse
Try it once you are in fastboot
wow its showing
najam489 said:
wow its showing
Click to expand...
Click to collapse
0purple said:
Try it once you are in fastboot
Click to expand...
Click to collapse
i have another problem now my device is showing with fastboot devices but my devices status is locked when i tried this command "fastboot flash recovery recovery.img" it didnt work i am follwing this article https://www.guidetoroot.com/root-realme-3-pro/
thank you for your help my bootloader wasn't unlock it is now thanks a lot
It appears your device's bootloader is locked. Try:
fastboot oem unlock
fastboot flashing unlock
If that doesn't help, search for a guide on how to unlock bootloader for your specific brand.
It also looks like don't really know what you are doing. Make sure you are following trusted guide. If no, I'll be happy to help.
0purple said:
It appears your device's bootloader is locked. Try:
fastboot oem unlock
fastboot flashing unlock
If that doesn't help, search for a guide on how to unlock bootloader for your specific brand.
It also looks like don't really know what you are doing. Make sure you are following trusted guide. If no, I'll be happy to help.
Click to expand...
Click to collapse
well i did installed custom roms few time but i dont know much, i did unlock bootloader now the problem is i do install custom recovery twrp and it do installed and rom manager shows that custom recovery is installed but pressing volume down + power button just shows fastboot logo and it restart my phone, and with command "
adb reboot bootloader" i am able to boot into fastboot mood and when i go to recovery from their it open stock recovery instead of twrp
Stolen from my guide:
7. Go into fastboot mode
8. fastboot flash recovery recovery.img
9. fastboot --disable-verity --disable-verification flash vbmeta vbmeta.img
10. fastboot reboot recovery
12. Sometimes recovery doesn't want to stick as a permanent one. To test it, hold the power button and select "Reboot to recovery". If you reboot to TWRP, you can move on, but if you reboot to stock one, flash recovery using fastboot again and from recovery flash recovery again (sounds crazy, right?). I won't give you instructions on this, research it yourself. Make sure guide you will find is for your device and your recovery.

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