Originally Posted by Bacongineer
Everything is in the question. I usually keep my firmware up to date with the ROM I am using, but I am just wondering, what exactly does updating the firmware do? How I see it is that the firmware is the layer between the hardware and the kernel, anyone can expand on that for me please?
firmware can be found by looking at Settings-About phone-Software Number
Currently, the newest international unlocked firmware fr the One on Android 4.4.2 is 4.19.401.8
Updating the firmware ensures optimal performance of the ROM. Installing an OTA updates the firmware and bootloader version.
The latest bootloader/HBOOT version is 1.56 on KitKat