Questions tagged [kernel]

The kernel is a central component of most computer operating systems. It acts as bridge between applications and the hardware and also manages the systems's resources.

Android uses a Linux kernel. Like many things in Android, this one can also be customized: different kernels offer different advantages – e.g. better performance or more stability, support for additional features, overclocking/undervolting etc.

You can flash a different kernel to your device (the kernel is part of the boot image/zImage). But be careful: the kernel must be compatible with your ROM. Always make a before flashing – as with a wrong kernel you might end up in a .

For further details, please see:

314 questions
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What happens if you install another phone's kernel on yours?

What would happen if you install a Oneplus 1 for an example on a Nexus 5? Would it cause hardware problems, like my touch won't be recognized or something like that? And how much tweaking would it need? I don't know anything about kernels by the…
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Is it possible to unload built-in kernel module?

I have a kernel with built-in module that I want to replace. I have built a .ko and tried to insmod it, but it failed since the kernel was already built with it. Is it possible to do this?
noti
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Backup/dump kernel image without root or twrp/cwm

Is there any way to backup/dump kernel image without root or twrp/cwm ?
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Galaxy S7EDGE Random Reboots

Two months back from now I installed LightROM oreo, it was fine then but after two months it started to get slow. So I decided to flash pie or Q rom, but from my previous experience whenever I install a pie or Q port of note or some else model it…
Areeb
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Why isn't Android using kernel v4+?

While i understand that the patches needed to "support" Android operations aren't in the mainline kernel distribution, I don't understand why it isn't being ported to newer kernels. Newer kernels come with a load of improvements in a lot of…
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How do I load an unsigned Kernel Module to my signature enforcing Kernel?

I compiled a kernel module (wacom.ko) using the proper kernel source for my device and Google toolchain. When I tried to insmod the module, an error message popped up saying required keys not available I researched and found out that you need to…
Ciado
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What does "@" (ex: se.infra@SEP138#1) mean on kernel version?

I have broken my mobile, so I want to download the original version back. The original version is: Android version: 4.1.2 Kernel version: 3.0.31-638230 se.infra@SEP138#1 On kernel version, what does it mean by se.infra@SEP138#1 and how to check…
siva
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Camera driver in kernel

As far as I know.. 2 programs cannot access to camera hardware at sametime. but if developer has control in kernel or module or camera hardware(which could be modified by him) and when developer access camera hardware directly and seeing through…
Ummm
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If I were to factory reset my device, would my kernel be reverted to my default one?

Would my kernel be reset to its default variant? If not, is the only way to factory reset my kernel to flash the default one?
Joshua
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error when making a kernel My toolchain always says "no such file or directory"

So I am trying to make an old kernel on the newest Unbuntu. Set up build essentials libncurses5-dev bzip2 cant get kernel-package says its unavailable? Haven't found an alternate source. Ive gotten all the sources an set up Unbuntu im following this…
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Fastboot Kernel Install

I want to install Arrow OS with OrangeFox. I understood the installation step, but I want to install the KVM opened kernel. I have it in the form of boot.img file and I install it with the fastboot flash boot boot.img command. How can I install…
EFI Shell
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Is it possible to add a driver to my kernel without flashing a new kernel?

Is it possible to load a driver as a kernel module into my Galaxy S10, Magisk rooted without having to build a new kernel and flash it?
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Dirty Flash Android Kernel

Will it be an issue if I dirty flash android kernel? I am trying out a few kernels for my phone and I want to make sure that dirty flashing won't affect the efficiency of the kernel. If it does, what is the method to flash a new kernel without…
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How to decompile android kernel within android itself?

How do I decompile kernel.bin of my android 4.1.2 kernel on android itself? Is there an app that can decompile kernel.bin or any methods for decompiling kernel.bin? Thank in advance!
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RCA tablet want to watch on monitor

I have an inexpensive tablet (RCA), and I want to hook it up to a monitor with a VGA hookup, I got the adaptor, micro USB on one side and VGA on the other. Hooked it all up, and nothing....I can't figure out what is wrong...is my device just too…
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