What is the difference between a ROM and a kernel?

The Rom contains the OS itself, and the software and file structure therein. The kernel even can tell the OS how fast the processor goes and how much juice to use from the battery.

What is kernel flashing?

Flashing a kernel is almost exactly like flashing a new ROM. You’ll need to flash a new recovery to your phone, like ClockworkMod, which you can flash with ROM Manager. Put the ZIP file on your phone’s SD card, then start up ROM Manager and go to “Install ROM from SD Card”. Choose the kernel’s ZIP file and continue.

Should I flash kernel or ROM first?

Always flash the ROM first. Go into recovery, do a nandroid backup if you want to keep your setup that you have now. After that’s finished, wipe cache and dalvik cache and (if you want to be really thorough you can do a factory reset.. I always do, because i think it helps the roms to flash).

Is Rom same as OS?

ROM is a memory, operating system(OS), which will be stored in the ROM, and inside the OS we run application program (apps) (OS is a system program).

Can I flash kernel after ROM?

If you flash the ROM after flashing the kernel, then it will be replaced by the one from the ROM. That’s why, to make sure it doesn’t happen, you must flash kernel after flashing the ROM. Originally Answered: What is the difference between Custom ROM and Custom Kernel of Android OS?

Does flashing kernel require root?

No you don’t. You will need an unlocked bootloader and TWRP or other custom recovery.

Does flashing ROM remove root?

When you flash a new ROM(whether stock or custom) ,root access will be removed by default. But custom ROMs usually come with pre-installed SuperSU app, so you needn’t have to install root access again.

Does ROM contain kernel?

As I said earlier, the kernel is just a part of the ROM. Most operating systems use a kernel actually, including Windows and iOS. Android uses the Linux Kernel, modified and developed in such a manner that it functions with Android. So, the kernel makes the link between hardware and software.

https://www.youtube.com/watch?v=wzRBuPTlAMA