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HTC One Mini will not boot, stuck at Fastboot

My HTC One Mini has developed a problem where it will not turn on, it just keeps loading up the Fastboot screen. If I power down or restart the device many times, I can get lucky and it will boot the OS. Right now, that seems to not be working.
If I select the Bootloader option and go to Recovery, it just flashes up the 3 Android guys on skateboards and goes back to Fastboot. Reboot and Reboot Bootloader both reboot the phone, but I end up at the Fastboot menu again. Also, if I power down, it doesn't show the charge animation, it just jumps back into the Fastboot menu, unless I have removed power/USB from the device and then it will power off.
I've read quite a few forum posts, too many I think, and I'm not stuck on what to do/try. Any help would be great, I currently have no phone!

ScottHelme said:
My HTC One Mini has developed a problem where it will not turn on, it just keeps loading up the Fastboot screen. If I power down or restart the device many times, I can get lucky and it will boot the OS. Right now, that seems to not be working.
If I select the Bootloader option and go to Recovery, it just flashes up the 3 Android guys on skateboards and goes back to Fastboot. Reboot and Reboot Bootloader both reboot the phone, but I end up at the Fastboot menu again. Also, if I power down, it doesn't show the charge animation, it just jumps back into the Fastboot menu, unless I have removed power/USB from the device and then it will power off.
I've read quite a few forum posts, too many I think, and I'm not stuck on what to do/try. Any help would be great, I currently have no phone!
Click to expand...
Click to collapse
While at fastboot, connect the USB to pc and flash a new recovery again using the command ( fastboot flash recovery recoveryfile.img )

htc_one_mini_m4 said:
While at fastboot, connect the USB to pc and flash a new recovery again using the command ( fastboot flash recovery recoveryfile.img )
Click to expand...
Click to collapse
I get this:
C:\Users\Scott\Downloads\Android\Android>fastboot flash recovery TWRP-2.6.3.0.img
target reported max download size of 800227328 bytes
sending 'recovery' (8572 KB)...
OKAY [ 1.267s]
writing 'recovery'...
(bootloader) signature checking...
FAILED (remote: signature verify fail)
finished. total time: 2.161s

ScottHelme said:
I get this:
C:\Users\Scott\Downloads\Android\Android>fastboot flash recovery TWRP-2.6.3.0.img
target reported max download size of 800227328 bytes
sending 'recovery' (8572 KB)...
OKAY [ 1.267s]
writing 'recovery'...
(bootloader) signature checking...
FAILED (remote: signature verify fail)
finished. total time: 2.161s
Click to expand...
Click to collapse
Are you bootloader unlocked & s-off ?

htc_one_mini_m4 said:
Are you bootloader unlocked & s-off ?
Click to expand...
Click to collapse
I followed a guide to unlock the bootloader and got the following:
C:\Users\Scott\Downloads\unlock>fastboot flash unlocktoken Unlock_code.bin
target reported max download size of 800227328 bytes
sending 'unlocktoken' (0 KB)...
OKAY [ 0.155s]
writing 'unlocktoken'...
(bootloader) unlock token check successfully
OKAY [ 0.013s]
finished. total time: 0.171s
I don't get a prompt on the device and when I reboot, it still says ***LOCKED *** at the top.

ScottHelme said:
I followed a guide to unlock the bootloader and got the following:
C:\Users\Scott\Downloads\unlock>fastboot flash unlocktoken Unlock_code.bin
target reported max download size of 800227328 bytes
sending 'unlocktoken' (0 KB)...
OKAY [ 0.155s]
writing 'unlocktoken'...
(bootloader) unlock token check successfully
OKAY [ 0.013s]
finished. total time: 0.171s
I don't get a prompt on the device and when I reboot, it still says ***LOCKED *** at the top.
Click to expand...
Click to collapse
You followed the steps from the HTCdev.com site ?
http://www.htcdev.com/bootloader/

[Q] Unlocking bootloader problem

Hi,
I have HTC One Mini M4_UL with HBOOT- 2.19.0000. I got Unlock_code.bin file from htc dev. When I flash it I get like.
sending 'unlocktoken' (0 KB)...
OKAY [ 0.156s]
writing 'unlocktoken'...
(bootloader) unlock token check successfully
OKAY [ 0.008s]
finished. total time: 0.167s
But on device it does not ask any thing like it do for any other HTC. Any help to unlock boot loader?
Current situation with the phone is it just reboot in bootloader mode and nothing else. Please advice. Thanks.

Any help on this?

Strangely I have another phone in my hand, this time it is desire 610, after getting unlock_code.bin file from htc dev, When I write it always succeed but nothing comes up on phone screen asking bootloader unlock confirmation.
C:\Users\king\Desktop\Tablets and HTC\HTC\Fastboot\fasboot new version>fastboot
flash unlocktoken "C:\Users\king\Desktop\Tablets and HTC\HTC\Desire 610 A3_UL\un
lock_code.bin"
target reported max download size of 763195392 bytes
sending 'unlocktoken' (0 KB)...
OKAY [ 0.110s]
writing 'unlocktoken'...
(bootloader) unlock token check successfully
OKAY [ 0.010s]
finished. total time: 0.120s

[Q] Bootloader NOT unlocked !

I did all the set and get my unlock code from HTCdev. Tried all but never UNLOCKED the bootloader !
D:\--- MOBILE\Android\android\platform-tools>fastboot flash unlocktoken Unlock_c
ode.bin
target reported max download size of 1526722560 bytes
sending 'unlocktoken' (0 KB)...
OKAY [ 0.144s]
writing 'unlocktoken'...
(bootloader) unlock token check successfully
OKAY [ 0.006s]
finished. total time: 0.152s
Click to expand...
Click to collapse
The phone has a problem it start with Logo HTC then Logo Of operator then it OFF screen.

You still need to run fastboot oem unlock. That just flashes the key.

shinji257 said:
You still need to run fastboot oem unlock. That just flashes the key.
Click to expand...
Click to collapse
I tried but STIll not wotrking
D:\--- MOBILE\Android\android\platform-tools>fastboot oem unlock
...
(bootloader) [ERR] Command error !!!
OKAY [ 0.003s]
finished. total time: 0.004s
Click to expand...
Click to collapse

HTC One Mini M4 - S-ON - Stuck on Bootloader. Can't unlock, Can't flash recovery

I am not able to fix my dad's HTC One Mini M4. It just starts into bootloader screen and can only be switched to HBOOT and vice versa. Screen on the phone is attached.
>> Interestingly I have also damaged the volume buttons and they just don't work. While replacing the battery the volume flex was unintentionally pulled out of the board and now it has no connection to the board whatsoever.
Only power button can switch the modes from bootloader to HBOOT or HBOOT to bootloader.
>> I am not sure if any firmware is still there on it. I am not sure what RUU I need to use in that case.
here's what I have tried so far.
I tried to flash recovery but it fails at (bootloader) signature checking.
-- log
D:\Mobile>fastboot flash recovery twrp.img
target reported max download size of 800227328 bytes
sending 'recovery' (11460 KB)...
OKAY [ 1.549s]
writing 'recovery'...
(bootloader) signature checking...
FAILED (remote: signature verify fail)
finished. total time: 2.472s
Click to expand...
Click to collapse
I tried unlocking the bootloader in a normal fashion (via htcdev), following log is presented on the command prompt and no prompt on the phone's screen appeared.
D:\Mobile>fastboot flash unlocktoken Unlock_code.bin
target reported max download size of 800227328 bytes
sending 'unlocktoken' (0 KB)...
OKAY [ 0.163s]
writing 'unlocktoken'...
(bootloader) unlock token check successfully
OKAY [ 0.016s]
finished. total time: 0.178s
Click to expand...
Click to collapse
Is there anything could be done with this phone as the screen on the phone is attached with this thread?
Any help will be appreciated.
Thank you

[Need Help]Unable to flash recovery for Mate 9 Oreo, android 8.0

My phone is unlocked already. but I still could not flash TWRP into partition. Any one can help?
Code:
fastboot flash recovery_ramdisk twrp_3.1.1_recovery_orig.img
target reported max download size of 471859200 bytes
sending 'recovery_ramdisk' (65536 KB)...
OKAY [ 1.402s]
writing 'recovery_ramdisk'...
FAILED (remote: Command not allowed)
finished. total time: 1.421s
Code:
D:\>fastboot flash recovery twrp_3.1.1_recovery_orig.img
target reported max download size of 471859200 bytes
sending 'recovery' (65536 KB)...
OKAY [ 1.407s]
writing 'recovery'...
FAILED (remote: Command not allowed)
finished. total time: 1.424s
Anyone met that?

Ahlangwolf said:
My phone is unlocked already. but I still could not flash TWRP into partition. Any one can help?
Code:
fastboot flash recovery_ramdisk twrp_3.1.1_recovery_orig.img
target reported max download size of 471859200 bytes
sending 'recovery_ramdisk' (65536 KB)...
OKAY [ 1.402s]
writing 'recovery_ramdisk'...
FAILED (remote: Command not allowed)
finished. total time: 1.421s
Code:
D:\>fastboot flash recovery twrp_3.1.1_recovery_orig.img
target reported max download size of 471859200 bytes
sending 'recovery' (65536 KB)...
OKAY [ 1.407s]
writing 'recovery'...
FAILED (remote: Command not allowed)
finished. total time: 1.424s
Anyone met that?
Click to expand...
Click to collapse
The bootloader is not unlocked, you must block with fastboot oem relock XXXXXXXXXXX and re-unlock the bootloader

jftorrente said:
The bootloader is not unlocked, you must block with fastboot oem relock XXXXXXXXXXX and re-unlock the bootloader
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Click to collapse
And make sure to go to Developer options when booted and enable OEM unlock.
Both Phone and FRP must be unlocked in fastboot

ante0 said:
And make sure to go to Developer options when booted and enable OEM unlock.
Both Phone and FRP must be unlocked in fastboot
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Click to collapse
The same happened to me, I checked and it appeared unlocked but it did not let me install the recovery. so I relocked it and unlocked it and that's how it worked

jftorrente said:
The same happened to me, I checked and it appeared unlocked but it did not let me install the recovery. so I relocked it and unlocked it and that's how it worked
Click to expand...
Click to collapse
Thank you for the mention. I relocked and unlocked again on B332 version get resolved.

Ahlangwolf said:
Thank you for the mention. I relocked and unlocked again on B332 version get resolved.
Click to expand...
Click to collapse
:good::good::good::good:

Great, now read the Forum Rules on posting, moved out of the Development Section....
Ahlangwolf said:
My phone is unlocked already. but I still could not flash TWRP into partition. Any one can help?
Code:
fastboot flash recovery_ramdisk twrp_3.1.1_recovery_orig.img
target reported max download size of 471859200 bytes
sending 'recovery_ramdisk' (65536 KB)...
OKAY [ 1.402s]
writing 'recovery_ramdisk'...
FAILED (remote: Command not allowed)
finished. total time: 1.421s
Code:
D:\>fastboot flash recovery twrp_3.1.1_recovery_orig.img
target reported max download size of 471859200 bytes
sending 'recovery' (65536 KB)...
OKAY [ 1.407s]
writing 'recovery'...
FAILED (remote: Command not allowed)
finished. total time: 1.424s
Anyone met that?
Click to expand...
Click to collapse
Ahlangwolf said:
Thank you for the mention. I relocked and unlocked again on B332 version get resolved.
Click to expand...
Click to collapse

do i have to execute this? fastboot oem relock XXXXXXXXXXX and re-unlock the bootloader , what is the xxxxxxxx? TIA

you must be disable find phone and fingepin