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[GUIDE] How to extract Huawei firmware (update.app)

OP GalaxyUser

8th June 2013, 03:45 PM   |  #1  
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How to extract Huawei firmware / update.app

I wondered how to extract the firmware files Huawei, since with the dsixda's Android Kitchen I could not do it. After some research I finally found and I share my method in this thread.
This method works for the newer firmware (i tested on JellyBean Emotion UI 1.5) but should also work on a lot of others version.
Please for all improvements, send me a MP. Iím french and itís possible for me to misspellings

This thread is in constant progress thanks to your feedback..


I. What you will need


II. Download and install ActivePerl

1. Download ActivePerl
2. Install it:

















3. It's okay for ActivePerl


III. Install script to extract update.app

1. Create a new folder on your Desktop named "Huawei ROM extract"
2. Download this script (I modified it to work properly) in the folder "Huawei ROM extract"
3. Put your update.app in the same folder
NB: It have to be named update.app !!!
4. So you folder look like this:


5. Double click on split_updata.pl
6. This window will appear, just wait:


7. When it finish the window is closed automaticaly
8. In your folder this is a new folder named "output", open it
9. You will see some files like:


10. It's okay for extraction


III. Find system, boot and recovery files

1. Download my script HuaweiFinder in the folder "Huawei ROM extract"
2. Execute my script with a double click, youwill see this windows:


3. It's done, go into ouput folder and you will see some files:


boot.img is the kernel files
recovery.img is the recovery
system.img is the rom
others files are some others system files


III. Open and extract img

1. Now download Android ICS JB EXT4 imagefile unpacker
2. Extract it in the folder "Huawei ROM extract"
3. Open ext4_unpacker
4. Double clic on ext4_unpacker.exe


5. Clic on this icon:
6. Go to the output folder and select system.img clic on "Open"


7. Now select all files, right clic and clic on "Extract"




8. You will see this:


9. It's okay the ROM is extracted where you have choosen !!



I hope this guide will be helpful!! And don't forget to thanks

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20th June 2013, 03:43 AM   |  #2  
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Thanks for the great guide, but I have a problem executing split_updata.pl. when i double click it, a terminal just opens and closes itself in less than a second but there is no change. I installed the active perl in the link. Any idea?

Edit:
If i type
Code:
perl split_updata.pl update.app
on terminal, it gives me
Code:
Unrecognised file format. Wrong identifier.
And it makes a folder named "output" in the directory, but nothing is in there.
The update.app was in the update.zip from B522 to B601 for ascend d1.
Last edited by Zittoro; 20th June 2013 at 04:08 AM.
21st June 2013, 02:19 PM   |  #3  
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great tread!
but for ascend y300 don't work very well..
it dont' recognize boot.img and recovery.img
21st June 2013, 05:52 PM   |  #4  
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Quote:
Originally Posted by misha84

great tread!
but for ascend y300 don't work very well..
it dont' recognize boot.img and recovery.img

as far as I know this method support any huawei device after Ascend P1...
22nd June 2013, 05:40 PM   |  #5  
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Hi,

Quote:
Originally Posted by Zittoro

Thanks for the great guide, but I have a problem executing split_updata.pl. when i double click it, a terminal just opens and closes itself in less than a second but there is no change. I installed the active perl in the link. Any idea?

Edit:
If i type

Code:
perl split_updata.pl update.app
on terminal, it gives me
Code:
Unrecognised file format. Wrong identifier.
And it makes a folder named "output" in the directory, but nothing is in there.
The update.app was in the update.zip from B522 to B601 for ascend d1.

It's stange... Which is the size of the file ?

Quote:
Originally Posted by misha84

great tread!
but for ascend y300 don't work very well..
it dont' recognize boot.img and recovery.img

Send me boot.img and recovery.img, or give me the rom link. I will try to fix that
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22nd June 2013, 06:18 PM   |  #6  
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Quote:
Originally Posted by GalaxyUser

Hi,
It's stange... Which is the size of the file ?

if you mean the size of the update.app i used, it was about 10.26mb

Edit

here is the update.zip for the update.app file
Last edited by Zittoro; 22nd June 2013 at 08:25 PM.
22nd June 2013, 06:57 PM   |  #7  
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Quote:
Originally Posted by GalaxyUser

Send me boot.img and recovery.img, or give me the rom link. I will try to fix that

try this, is not the same that i try, but is for the same terminal
http://download-c.huawei.com/tcpsdow...oadID=NDcxNDI=
Last edited by misha84; 22nd June 2013 at 06:59 PM.
23rd June 2013, 09:51 AM   |  #8  
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Quote:
Originally Posted by Zittoro

if you mean the size of the update.app i used, it was about 10.26mb

Edit

here is the update.zip for the update.app file

So this is an OTA update and not a full rom

Quote:
Originally Posted by misha84

try this, is not the same that i try, but is for the same terminal
http://download-c.huawei.com/tcpsdow...oadID=NDcxNDI=

Will look at
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14th July 2013, 08:28 AM   |  #9  
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Thanks so much for sharing this. But I got a bit of a problem where you execute huawei finder script to find the boot, recovery and system image. Mine got only the system image and not the boot and recovery image. The update.app I extracted from is 389mb. Can you please clarify me on this? Where did I do wrong? I believed I followed every steps as shown.

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14th July 2013, 03:32 PM   |  #10  
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I am having problem opening .img files as the ext4_unpacker.exe returns wrong file format everytime I tried to open it. I have redownload this exe application many times but still same result

Any solutions?

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