There is more than one reason why people would want to install a custom kernel into their device. Installing the custom kernel will actually allow users to have more control over the device.
Before you start, you will need to make sure that your Nexus 5X has its bootloader unlocked and has the TWRP Recovery installed as well. Here is what you need to do next.
Download the kernel that is compatible with the ROM you are using now. Next, enter TWRP recovery and choose the install option on the home screen. Locate the kernel, select and install it.
Next, wipe the cache/dalvik and press back. Find the reboot system options ad reboot the device. You can start using the kernel after the smartphone is done rebooting. Some of the top kernel apps are Kernel Tuner, Kernel Auditor, and No Frills.
Installing a custom kernel will allow you to changing the color calibration of the device, adjust the sound calibration, overclock the device and more.
