[X3non]

This guide will explain how to use LG firmware extract tool to extract kdz / tot firmwares

Requirements

• Download and extract LG Firmware Extract Tool
  
• Download the firmware for your model (.kdz or .tot)
  

Steps to extract LG kdz / tot firmware using LG firmware extract tool

Follow the steps below to extract LG kdz / tot firmware using LG firmware extract tool

See the video below or @ https://youtu.be/OnCcTgX0Z8c

1. Launch LG firmware extract tool
   
   
   
   
   
   
2. Click Open beside KDZ file
   
   
   
   
   
   
3. In the window that pops up, select the kdz file you wish to extract then click Open > it should load it's contents
   
   
   
   
   
   
4. Tick the checkbox beside File Name
   
   
   
   
   
   
5. You can change the working folder if you wish to extract to a specific location. Click on Working folder ...
   
   
   
   
   
   
6. In the window that pops up, select the folder you wish to extract to then click OK
   
   
   
   
   
   
7. Click Extract KDZ and wait while the tool extracts the kdz file
   
   
   
   
   
   
8. Once complete, you should see Progress Done in the log area
   
   
9. Click Open beside DZ file
   
   
10. In the window that pops up, select the dz file you extracted earlier then click Open > it should load it's contents
    
    
11. Tick the checkbox beside the second File Name
    
    
    
    
    
    
12. You can change working folder to an empty folder (so you don't get confused with the contents of kdz & dz)
    
    
13. Click Extract DZ and wait while the tool extracts the dz file
    
    
    
    
    
    
14. Once successful, you should get the message Progress extractDZFlle Done !! in the log area
    
    
    
    
    
    
15. You'll find the contents of the firmware in the folder you selected in LG firmware extract tool
    
    
    
    
    

Important Notice

• This tool doesn't require installation or internet access, simply extract and launch
  
• This doesn't work on all DZ firmware especially some from mediatek chipset, for such dz files, you could try this dz extract tool
  

Video Transcript

In this video tutorial, i'm going to be showing how to extract an LG kdz firmware using LG firmware extract tool, the link for this tool will be in the description
now before we begin i'm going to create two empty folders, one will be called kdz extract, the second one will be dz extract
now I'll launch the tool. In the first box click open, select the kdz firmware, it'll list it's content down here tick the checkbox beside file name change the working folder so that it'll extract to an empty folder I'm going to extract to kdz extract, then we'll click extract kdz once it's done, you'll see progress done now, select the dz file that just got extracted

it'll load it's contents in the next box click the check box beside file name you can change the working folder, this time around i want to extract to dz extract now I'll click extract dz so this might actually take a while depending on the file size, the size of this kdz file is about 4 gig or so once complete, you'll get the message progress extract dz file done so this is how you extract an lg kdz firmware using lg firmware extract tool thanks for watching guys, ensure to like, subscribe and share the video

[jasmin811]

Hello,

I have problem extracting lg k61 with LG extractor.

Here is log.

Code:

Progress extractDZFlle Done !!
Complete on extract DZ partition files
Exception on extract partition file Ionic.Zlib.ZlibException: Bad state (incorrect header check)
   at Ionic.Zlib.InflateManager.Inflate(FlushType flush)
   at Ionic.Zlib.ZlibCodec.Inflate(FlushType flush)
   at Ionic.Zlib.ZlibBaseStream.finish()
   at Ionic.Zlib.ZlibBaseStream.Close()
   at Ionic.Zlib.ZlibStream.Dispose(Boolean disposing)
   at System.IO.Stream.Close()
   at WindowsLGFramwareExtract.Form1.DZExtractBackprocess.extractDZFlle(ArrayList contents) in L:\Working_PROJECT\WindowsLGFramwareExtract\WindowsLGFirmwareExtract\Form1.cs:line 464
patched_sgpt_1024
userdata_4980736.img_38043648
userdata_2625552.img_35688464
userdata_2621440.img_35684352
userdata_2360584.img_35423496
userdata_2359296.img_35422208
userdata_1836296.img_34899208
userdata_1835008.img_34897920
userdata_1312008.img_34374920
userdata_1310720.img_34373632
userdata_787720.img_33850632
userdata_786432.img_33849344
userdata_263432.img_33326344
userdata_262144.img_33325056
userdata_5400.img_33068312
userdata_0.img_33062912
OP_OPEN_AU_DS.img_27279360
OP_OPEN_AU_DS.img_26755072
product_2899960.img_23855096
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product_2625512.img_23580648
product_2364080.img_23319216
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product_1835720.img_22790856
product_1576936.img_22532072
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product_1052648.img_22007784
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product_787144.img_21742280
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product_262856.img_21217992
product_4784.img_20959920
product_0.img_20955136
system_other_7520248.img_20955128
system_other_7401432.img_20836312
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system_other_7077888.img_20512768
system_other_6555416.img_19990296
system_other_6553600.img_19988480
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system_7340032.img_11272192
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system_4198312.img_8130472
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system_1840832.img_5772992
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system_1312536.img_5244696
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system_267968.img_4200128
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vendor_262632.img_2212328
vendor_4320.img_1954016
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vbmeta_OPEN_AU_DS.img_1904640
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lk.img_1695744
sspm.img_1693696
scp.img_1681408
spmfw.img_1679360
md1img.img_1474560
vbmeta_OPEN_AU_DS.img_1445888
tee.img_1435648
dtbo.img_1419264
boot.img_1337344
laf.img_1255424
logo.bin_1239040
lk.img_1236992
sspm.img_1234944
scp.img_1222656
spmfw.img_1220608
md1img.img_1015808
rct.img_875520
efuse.img_671744
ftm.img_432128
patched_pgpt_0
preloader.img_0

[X3non]

Hello,

I have problem extracting lg k61 with LG extractor.
...

be sure to try a kdz firmware from an older software version, e.g if your device has android 9 / 10 then be sure to try one from both versions
if not then you'll have to be on the lookout for new kdz extractors that might work

[X3non]

Hello,

I have problem extracting lg k61 with LG extractor.
...

you could try the dz extract tool @ https://www.hovatek.com/forum/thread-39098.html