Updating kernel how to

The kernel configuration specifies whether a kernel's features and options will be enabled or not, perhaps built into the kernel, or perhaps built as modules which can be loaded into the running kernel on demand.

Hence the configuration file of the new kernel may have new entries the configuration file of the old kernel doesn't have, and it might not have entries anymore which are present in the configuration file of the old kernel.

It requires the following prerequisites: Any external kernel modules, such as binary kernel modules, need to be rebuilt for each new kernel.

and now I want to update it to the latest and the best one. According to my findings the website https:// offers the latest kernels. And does anyone have an idea of from where to get the latest kernel? The kernel on your device is tied heavily to the version of the Android operating system you're running.

Normally, your kernel would be updated when the operating system - your "ROM" - is updated.

If there are no issues you can point to that would be fixed with a newer version, and no specific features you could gain from using a custom kernel, there might not be a good reason to change.

Sometimes newer kernels can increase battery life by tweaking the way the phone operates, reacts, sleeps etc., but not always.

Using the old configuration saves the user from going through all the kernel options (like in the directory that holds the kernel sources.

A new kernel may have had options or features added or removed since the old kernel.

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Making a new kernel from the new sources is basically the same process as making a kernel when installing the system.

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