How to convert .img.lz4 into .img file? - Samsung Galaxy J7 Questions & Answers

I was trying to build my own custom ROM for j7 2016. Inside of stock ROM there are files with extensions .img.lz4 so how can I convert them into .img. I'm using Ubuntu 18.04.
Android kitchen was unable to detect .img.lz4 files. Is there any way to make them detect?
Thank you!

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[Q] Tool for unpacking & repacking ROMs?

Hi, I've been searching for an app or a way to quickly unpack a .zip file containing a ROM (including the boot.img, system.img, recovery.img), and then repack it. I know there is the possibility to use dsixda's kitchen but when repacking you get a system folder, not a system.img.
Does anybody know where I can find such an app? (windows or ubuntu)
Thanks in advance!

I need help! I can not open the system.img

I want to modify the Saihon X6 ROM, but the system.img is different from I've ever met, they put the system.img into 8 img, now do not know how to load, don't know how to modify it, I need help, need a detailed tutorial. Thank you
ht tp://pan.baidu.com/s/1pJAvLer
if u wanna extract system.img then use dsixda kitchen.
put the img file in update original update folder then go to cygwin and choose make a working folder from rom.
it will identify your img file and then give an opt to extract it.

is possible tar.md5 to custom tar.md5?

Hi guys, i have a question...
Is possible create a custom rom (remove vendor apps) from XXXXXXXX.tar.md5 file downloaded from sammobile and make your own tar.md5 flasheable Odin file?
For example:
Original firmware:
XXXXXX.tar.md5
1.5 Gb
Removing vendor apps:
XXXXXX_my_firm.tar.md5
800 mb
I am interested in doing this without custom recovery, not zip flashable file, and not root.
xTxMIGUELxTx said:
Hi guys, i have a question...
Is possible create a custom rom (remove vendor apps) from XXXXXXXX.tar.md5 file downloaded from sammobile and make your own tar.md5 flasheable Odin file?
For example:
Original firmware:
XXXXXX.tar.md5
1.5 Gb
Removing vendor apps:
XXXXXX_my_firm.tar.md5
800 mb
I am interested in doing this without custom recovery, not zip flashable file, and not root.
Click to expand...
Click to collapse
Yes, you can do this, but things have changed a bit since this guide was written, you'll have to do some research to see what things have changed in this process from kit kat up to the current available android version. There have been some stock security changes that this guide doesn't cover and won't work with these new securities, but you should be able to figure out how to make this work with those securities if you learn to look in the right places.
https://www.rwilco12.com/forum/showthread.php?tid=92
This will help you create the .tar, you'll just have to figure out how to make the changes you want to make. You'll mostly be working with your system.img once you get it extracted.
I DO NOT PROVIDE HELP IN PM, KEEP IT IN THE THREADS WHERE EVERYONE CAN SHARE

i can't unpack system.img from huawei p20 firmware

Hi, I downloaded firmware eml-tl00 using firmwarefinder . I wanted to get apk file ( I need hwcallrecorder from emui 9.1 , I wanted to update my old file ) . I used Huawei update extractor 0.9.9.5 to unpack update.app file and I saved system.img. I tried various unpacking programs like ext4extractor, appimagemaker, imgextractor, ext4unpacker, romzhushou and I was not able to unpack system.img. i'd very appreciate if someone could tell me what programs to use for unpacking firmware
What about renaming the file to *.rar? Many compressed files can be renamed to unpack it with WinRar or 7zip.
Jan Philipp said:
What about renaming the file to *.rar? Many compressed files can be renamed to unpack it with WinRar or 7zip.
Click to expand...
Click to collapse
unfortunately it doesn't work
Convert to raw
(You could use https://play.google.com/store/apps/details?id=com.redlee90.imagekitchenforandroid )
Then mount raw.img via device's command line on a path allowing that.
Hey. If you can upload the full firmware for me or link me to it somehow... Whatever works... I'll give it a try in my kitchen. I've yet to come across any firmware that i can't unpack. Especily system.img files.
Stuck using a p20 for a bit. Can't handle the no root thing.. I can't even run google keyboard. But i'll unpack the.img!
rusalex2k8 said:
Hi, I downloaded firmware eml-tl00 using firmwarefinder . I wanted to get apk file ( I need hwcallrecorder from emui 9.1 , I wanted to update my old file ) . I used Huawei update extractor 0.9.9.5 to unpack update.app file and I saved system.img. I tried various unpacking programs like ext4extractor, appimagemaker, imgextractor, ext4unpacker, romzhushou and I was not able to unpack system.img. i'd very appreciate if someone could tell me what programs to use for unpacking firmware
Click to expand...
Click to collapse
I have the same problem. Did you manage to solve yours?
hi, i found hwcallrecorder apk , i was not able to unpack system.image. if you need apk of recorder check here https://4pda.to/forum/index.php?showtopic=994141&st=540 . there are some apks for different emui ( 9, 9.1, 10, 10.1 if it'll be problem for you for understanding russian language drop me message with your emui and androd version of your smartphone , i'll send you apk

[HELP] How to extract boot.img file on mobile without root and pc.

I have Micromax canvas unite 4 pro/q465 running Android 5.1 [lollipop] and I want to root my phone with magisk. To root my phone I need boot.img of my stock rom because ramdisc is showing YES on my device and is there a way to extract boot.img file on NON-ROOTED PHONE ONLY ? If yes then please also mention a suitable website to download the stock rom, your effort will be appreciated.
To diectly extract boot.img from phone its Android must be rooted.
ROM Micromax Unite 4 Pro (Q465) Stock Rom | [Official]-[Updated] add the 01/04/2017 on Needrom
I
jwoegerbauer said:
To diectly extract boot.img from phone its Android must be rooted.
ROM Micromax Unite 4 Pro (Q465) Stock Rom | [Official]-[Updated] add the 01/04/2017 on Needrom
Click to expand...
Click to collapse
I really appreciate this method , unfortunately I can't root my phone, so I have to download firmware and then extract boot.img from it right?
The firmware I downloaded
https://www.mediafire.com/file/edza...SW_V8.1.3_HW_V1.0.0_021116_Volte_SPD.zip/file
I tried doing this but didn't any images instead I get 3 files which I don't know too much about, is the problem is that I have to extract it using pc ? because I extracted the firmware on my phone with this app
RAR - Apps on Google Play
Create RAR and ZIP, unpack RAR, ZIP, TAR, GZ, BZ2, XZ, 7z, ISO, ARJ archives.
play.google.com
Is this app was the problem with extracting ? Or the firmware was faulty ?
JOOC downloaded the ZIP you linked to, too, and unpacked it.
Noticed that the firmware is is stored in directory Firmware, it's housed in archive zsl859p_mmx.pac.
You've to convert the .PAC file to a .ZIP file, e.g. with ezyZip tool, to access its content.
I really thank you for your effort, I will let you know the results after doing this.
jwoegerbauer said:
JOOC downloaded the ZIP you linked to, too, and unpacked it.
Noticed that the firmware is is stored in directory Firmware, it's housed in archive zsl859p_mmx.pac.
You've to convert the .PAC file to a .ZIP file, e.g. with ezyZip tool, to access its content.
Click to expand...
Click to collapse
I tried to convert the .pac file to .zip from this tool but it takes too much time , I mean that convert to zip button never loads for hours so I thought to view that .pac file first to just to get to know what's inside it and when I viewed it, I didn't find any usefull files which contain boot.img.
The app I used to view what's inside the .pac file https://play.google.com/store/apps/details?id=ru.zdevs.zarchiver

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