Unbricking JB to ICS downgraded hardbricks

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U1138

Member
Mar 10, 2013
5
46
Downgrading from JB to ICS through RSD Lite making nice bricks with black screen and flashing green light. Here is my unbrick method. It has only been tested on phones with unlocked bootloader.

I DO NOT GUARANTEE ANYTHING! USE THIS METHOD AT YOUR OWN RISK!

1. Connect your brick to PC pressing the camera button.
2. Run xFSTK-SoC-Driver-Setup-1.0.3.exe and follow the instructions.
3. Run unbrick.bat.
 

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HSD-Pilot

Senior Member
Jan 22, 2012
3,484
2,416
NRW
AW: Unbricking JB to ICS downgraded hardbricks

One User in Germany confirmed, that it's working! Thanks Dude, that's great stuff for the community :thumbup:

Gesendet von meinem XT910 mit Tapatalk 2
 
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U1138

Member
Mar 10, 2013
5
46
I've figured it out by myself when I've bricked my own phone. I've started to search how to deal with the MEDFIELD device and have found some licked Intel software. So I've played with it a little and have gotten some results.

Here is the software:
rghost.net/44421368

XFSTK Downloader is a real piece of gold. It comes with the SDK and contains the documentation.
 
Last edited:

HSD-Pilot

Senior Member
Jan 22, 2012
3,484
2,416
NRW
AW: Unbricking JB to ICS downgraded hardbricks

Thanks for your reply. Good to know who get the Credits for this, when I start an Thread over here in Germany :thumbup:
I guess you'll save a lot of hard bricked Devices with this Tool.

Gesendet von meinem XT910 mit Tapatalk 2
 

fredefc

Member
May 6, 2011
9
4
Brazil - Vitória/ES
Downgrading from JB to ICS through RSD Lite making nice bricks with black screen and flashing green light. Here is my unbrick method. It has only been tested on phones with unlocked bootloader.

I DO NOT GUARANTEE ANYTHING! USE THIS METHOD AT YOUR OWN RISK!

1. Connect your brick to PC pressing the camera button.
2. Run xFSTK-SoC-Driver-Setup-1.0.3.exe and follow the instructions.
3. Run unbrick.bat.

Hey guy, doo you know if this only works for downgrade from jb to ics? Why did up to date by OTA and it's okay, but I need root without unlock bootloader!
 

nikitagu

Member
Mar 11, 2013
25
2
I wanted to make an update to the Motorola RazR I. My phone was back gebrickt. I wanted to start jb_to_ics_unbrick and now it says "Service Required Code Corrupt: Confused:
 

sysmanin

Member
Mar 17, 2013
9
1
Service Required Code Corrupt

Downgrading from JB to ICS through RSD Lite making nice bricks with black screen and flashing green light. Here is my unbrick method. It has only been tested on phones with unlocked bootloader.

I DO NOT GUARANTEE ANYTHING! USE THIS METHOD AT YOUR OWN RISK!

1. Connect your brick to PC pressing the camera button.
2. Run xFSTK-SoC-Driver-Setup-1.0.3.exe and follow the instructions.
3. Run unbrick.bat.




Finished with "Service Required Code Corrupt" any idea ?
 

Nikoklaus

Member
Mar 17, 2013
11
0
Thanks for the great tool! This rescued my phone one time!

Now, after I tried to restore from a Nandroid backup, I also get this strange error message "Service Required Code Corrupt".
Is there a chance to rewrite the tool, so that it can unbrick my phone again?
 

matias.kiska

New member
Mar 18, 2013
3
0
Bricked phone

Hello all,

I have similar problem. My phone stuck on screen with text about unlocked bootloader and every few seconds it restart again to this screen (led diode also blink.
I cant load into fastboot and also turn off phone.

Before this, I unlocked bootloader and then by mistake run root for ICS by mattlgrof, which I then terminated (I know, I am crowned donkey).
I have JB from Orange GB.
I have try also method from this thread but no reaction.

Its some chance tha phone could be revived or I can throw it to trash?
 

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  • 41
    Downgrading from JB to ICS through RSD Lite making nice bricks with black screen and flashing green light. Here is my unbrick method. It has only been tested on phones with unlocked bootloader.

    I DO NOT GUARANTEE ANYTHING! USE THIS METHOD AT YOUR OWN RISK!

    1. Connect your brick to PC pressing the camera button.
    2. Run xFSTK-SoC-Driver-Setup-1.0.3.exe and follow the instructions.
    3. Run unbrick.bat.
    4
    I've figured it out by myself when I've bricked my own phone. I've started to search how to deal with the MEDFIELD device and have found some licked Intel software. So I've played with it a little and have gotten some results.

    Here is the software:
    rghost.net/44421368

    XFSTK Downloader is a real piece of gold. It comes with the SDK and contains the documentation.
    2
    Hi everyone... i know much people that have the "Service required code corrupt". The problem is you use "ifwi & dnx " files that aren't from your firmware, so if you use your ifwi & dnx files from your RDS firmware you avoid the "Service required code corrupt" error and you save your phone that don't boot... maybe you can edit the OP to avoid more bricks, I am working in a solution for that people that have the error...
    Greets, :cowboy:
    2
    A lot of users are saying that this method hard bricked their soft brick. ...
    1
    AW: Unbricking JB to ICS downgraded hardbricks

    One User in Germany confirmed, that it's working! Thanks Dude, that's great stuff for the community :thumbup:

    Gesendet von meinem XT910 mit Tapatalk 2
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