[Q] Plz help me for building kernel from boot.img file - Galaxy S 4 Q&A, Help & Troubleshooting

How can i make flashable kernel zip file from twrp backup file or boot.img file???

You can flash the .img file by switching twrp to img flash mode.

Very simple way:
Take other custom kernel zip file, replace it with your boot.img and flash. That's it.
Sent from my GT-I9500

Related

Quick kernel question

Can u change the kernel version of a phone with out having to change roms? Like by adb or something? And also how do u extract the kernel from an odin download file?
yes. a lot of kernels are available as .zip files, just flash them in recovery.
if not, fastboot flash zimage <kernel filename>
Is there a way to do it through adb? The behold 2 doesnt have a recovery

[Q] Extract Kernel

I have several files boot.img, system.img, userdata.img, cache.img
Is it possible to extract the kernel files from the image(s) and package it as an update.zip that can be flashed through recovery?
abundantmussel said:
I have several files boot.img, system.img, userdata.img, cache.img
Is it possible to extract the kernel files from the image(s) and package it as an update.zip that can be flashed through recovery?
Click to expand...
Click to collapse
You can fastboot flash boot boot.img to flash the kernel.
Sent from my myTouch_4G_Slide using XDA

[Q] Confusion with Flashing CWM from Odin...

All the CWM files from the official website are *.img but odin3 is asking for a tar file.
there has to be some reason why all the files are IMG that its the right file (its the only thing available form their site...). Where can I find a tar file from CWM?
Additionally, do you have to root to flash CWM from stock?

making a flashable zip !!

hi guys so i just extracted my kdz and i took the modem.bin and i want to make it flashable so that i can flash it on my phone can you help me please ?!! :crying:
TornadoMiMo said:
hi guys so i just extracted my kdz and i took the modem.bin and i want to make it flashable so that i can flash it on my phone can you help me please ?!! :crying:
Click to expand...
Click to collapse
but modem is in .img so to flash it to phone must be modem.img
i upload my modem flasahble zip.
1 extract zip
2. inside youll see META folder
place modem.img there not on META folder but like this
META-INF
modem.img
3 select both files and on zip do add to archive it will make a zip file .
boot to twrp and flash.
if your modem is in bin... find something to make modem.bin to .img would renaming file work?
make a nandroid before just to be safe.

How to replace the boot.img in Galaxy S7 Edge

Hi, All
I hope flash replaced boot.img by using the odin.
I downloaded the AP_G935SKSU2ERJ1....tar.md5 from sammobile.com.
Extract AP_G935SKSU2ERJ1....tar.md5 has boot.img.
So unpacked the boot.img in ubuntu, it has ramdisk and kernel(Image_1).
Also I downloaded the kernel source code (SM-G935S_KOR_OO_Opensource.zip)(ver.G935SKSU2ERJ1) from opensource.samsung.com
and I used toolchain(aarch64-linux-android-4.9) in ubuntu to kernel build. so success.
I got the kernel(Image_2) by using the command(make ARCH=arm64).
I repacked that after replace Image_1 and Image_2.
and flashed boot.img by using the odin.
The result is pass, but It doesn't work. stop to boot-logo.
It is the same kernel, but the volume of the Image files were different.
how to flashing replaced boot.img or equlizing the volume of Images.
I want to solve this problem.
sommmmmeboooody hhhelp meee
android 8.0.0
kernel ver. =3.18.91 - 14574311 - QB20196802
build No. = R16NW.G935SKSU2ERJ1
Do you have TWRP Recovery? If yes then you can easily flash .img throught TWRP.
You can also flash .img files via ODIN as instructed below
https://androidforrookie.blogspot.com/2018/11/how-to-flash-boot-image-file-using-odin.html
thanks
Thanks your reply.
but no have TWRP recorvery.
Do I really need it?

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