Hovatek Forum DEVELOPMENT Android [Tutorial] How to unlock Unisoc (SPD) bootloader using Identifier Token
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[Tutorial] How to unlock Unisoc (SPD) bootloader using Identifier Token

[Tutorial] How to unlock Unisoc (SPD) bootloader using Identifier Token

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lotus118
lotus118
lotus118
Newbie
2
08-05-2020, 10:34 PM
#11



Thanks for the guide! I have two questions:

1: do you know how the fastboot binary was modified? What does it do that the original doesn't?

2: I tried this procedure on my Alcatel 1C (2019, model 5003D) and it didn't work. The last step says "FAILED (remote: Unlock bootloader fail.)". I assume this may be because Alcatel uses a different key to sign than is provided in the link in this post. Do you know if this is the case and, if so, where I can find Alcatel keys?

Thanks!
simone
simone
simone
Enthusiastic Member
7
09-05-2020, 10:56 AM
#12
(07-05-2020, 09:50 AM)X3non create a new thread for your device issue by clicking "ask question" at the top and also attach a full screenshot of the error
you can upload your screenshot to imgur.com then post the link in your new thread

Thanks, i just did it Smile
X3non
X3non
X3non
Recognized Contributor
22,062
09-05-2020, 11:13 AM
#13
(08-05-2020, 10:34 PM)lotus118 Thanks for the guide! I have two questions:

1: do you know how the fastboot binary was modified? What does it do that the original doesn't?

2: I tried this procedure on my Alcatel 1C (2019, model 5003D) and it didn't work. The last step says "FAILED (remote: Unlock bootloader fail.)". I assume this may be because Alcatel uses a different key to sign than is provided in the link in this post. Do you know if this is the case and, if so, where I can find Alcatel keys?

Thanks!

1. its not modified per say, rather compiled with commands for unlocking / locking unisoc bootloader included
2. No. if your device uses a different keys then only your OEM can help you with that
lotus118
lotus118
lotus118
Newbie
2
11-05-2020, 01:23 PM
#14
(09-05-2020, 11:13 AM)X3non
(08-05-2020, 10:34 PM)lotus118 Thanks for the guide! I have two questions:

1: do you know how the fastboot binary was modified? What does it do that the original doesn't?

2: I tried this procedure on my Alcatel 1C (2019, model 5003D) and it didn't work. The last step says "FAILED (remote: Unlock bootloader fail.)". I assume this may be because Alcatel uses a different key to sign than is provided in the link in this post. Do you know if this is the case and, if so, where I can find Alcatel keys?

Thanks!

1. its not modified per say, rather compiled with commands for unlocking / locking unisoc bootloader included
2. No. if your device uses a different keys then only your OEM can help you with that
Do you know what those commands are? Is the source code for the modifed fastboot available somewhere? I tried searching russian forums for the original post but my Russian isn't great and Google translate isn't much help.
X3non
X3non
X3non
Recognized Contributor
22,062
11-05-2020, 09:58 PM
#15



(11-05-2020, 01:23 PM)lotus118 Do you know what those commands are?

the fastboot commands in page 1 are unsupported in the regular fastboot binaries from google
Code:

fastboot oem get_identifier_token
fastboot flashing unlock_bootloader signature.bin
fastboot flashing lock_bootloader


(11-05-2020, 01:23 PM)lotus118 Is the source code for the modifed fastboot available somewhere?

Not that i'm aware off


(11-05-2020, 01:23 PM)lotus118 I tried searching russian forums for the original post but my Russian isn't great and Google translate isn't much help.

idk Russian language either
AshLFC_01
AshLFC_01
AshLFC_01
Enthusiastic Member
11
18-05-2020, 08:57 AM
#16
I'm facing a problem when trying to run the 6th command. It gives out an error (bottom line of the screenshot) saying that the 90th line of signidentifier_unlockbootloader.sh has a problem, indicating that no file such as padding.bin exists. On another note, the modified fastboot which was provided had a signature.bin file already, which I believe is supposed to be generated after I run the command above.
If I remove the 90th line, the command works successfully, but it doesn't provide this:
"Identifier sign script, ver 0.10
1+0 records in
1+0 records out
50 bytes copied, 0.000257562 s, 194 kB/s"

...and the signature.bin file which is generated is only 512 bytes.
So, it's natural to see that the unlock bootloader command doesn't work as expected. What should I do?
This post was last modified: 18-05-2020, 08:59 AM by AshLFC_01.
Attached Files
.png
Screenshot from 2020-05-18 05-45-09.png
Size: 244.37 KB / Downloads: 81
X3non
X3non
X3non
Recognized Contributor
22,062
18-05-2020, 10:59 AM
#17
(18-05-2020, 08:57 AM)AshLFC_01 I'm facing a problem when trying to run the 6th command. It gives out an error (bottom line of the screenshot) saying that the 90th line of signidentifier_unlockbootloader.sh has a problem, indicating that no file such as padding.bin exists. On another note, the modified fastboot which was provided had a signature.bin file already, which I believe is supposed to be generated after I run the command above.
If I remove the 90th line, the command works successfully, but it doesn't provide this:
"Identifier sign script, ver 0.10
1+0 records in
1+0 records out
50 bytes copied, 0.000257562 s, 194 kB/s"

...and the signature.bin file which is generated is only 512 bytes.
So, it's natural to see that the unlock bootloader command doesn't work as expected. What should I do?

you're not meant to modify the sh script file
for the input/output error, it seems dd is unable to write a new file in that location i.e /media/ubuntu/*****/modified_fastboot
move the folder to a different location with write permission e.g your desktop and retry the command
AshLFC_01
AshLFC_01
AshLFC_01
Enthusiastic Member
11
18-05-2020, 01:09 PM
#18
(18-05-2020, 10:59 AM)X3non you're not meant to modify the sh script file
for the input/output error, it seems dd is unable to write a new file in that location i.e /media/ubuntu/*****/modified_fastboot
move the folder to a different location with write permission e.g your desktop and retry the command
Thank you so much! Big Grin That did the trick. Moving it to the desktop didn't work (first attachment), so instead I just changed the permission of the folder. I have successfully been able to unlock the bootloader thanks to this. I literally couldn't find any other solution to unlock it for my phone.
This post was last modified: 18-05-2020, 01:13 PM by AshLFC_01.
Attached Files
.png
Screenshot from 2020-05-18 17-22-40.png
Size: 102.81 KB / Downloads: 115
.png
Screenshot from 2020-05-18 17-17-21.png
Size: 187.64 KB / Downloads: 113
X3non
X3non
X3non
Recognized Contributor
22,062
18-05-2020, 04:54 PM
#19
(18-05-2020, 01:09 PM)AshLFC_01 Thank you so much! Big Grin That did the trick. Moving it to the desktop didn't work (first attachment), so instead I just changed the permission of the folder. I have successfully been able to unlock the bootloader thanks to this. I literally couldn't find any other solution to unlock it for my phone.

oh good
btw in your first screenshot, you already launched terminal in desktop so you didn't need to cd to desktop again but if you ever need to cd to desktop should be something like
Code:

cd /home/your_username/Desktop

in your case, your_username should be root
Hasan Mahmud BD
Hasan Mahmud BD
Hasan Mahmud BD
Junior Member
25
18-05-2020, 06:15 PM
#20



Sir i need  32bit/x86 modified fastboot binary.  I don't have x64 pc. ?
This post was last modified: 18-05-2020, 06:20 PM by Hasan Mahmud BD. Edit Reason: must need unlock bootloader
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