Write permission can be accessed by root. You don't need a custom kernel for that. And then performance and battery don't mix really...it's an oxymoron
Now, it doesn't look like there's any development kernel-wise. If you'd like one, I can suggest you should learn how to. It's a fun process imho
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Originally Posted by grinder19
"I love IF statements. If it's not my rom, then gtfo"