When updating to a new ROM eg, one at 4.4.x do I really need to upgrade up each build version? I looked at the requirements and one requires the next down, and then again and I think I would need to do it like 4 times.
You shouldn't need to, as most custom roms provide everything you need. The zip sometimes contains everything or sometimes you have to use Flashtool to flash a supplied FTF for the kernel and baseband.
If you're unsure, you could ask in the specific thread for the rom.
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