The Jelly Bean update brought a lot of cool features to the Samsung Galaxy S3, but one nasty bug remained. Something was causing "Android System" usage to be consistently high. Of course, the percentage of this process that is used is dependent on what you're doing at any given time, but it shouldn't be anywhere near this level with "standard" use (calls, texts, emails, light browsing, etc.).
GS3 SoftModder forum mod Faisal knew how to take care of this, and here's how to do it. You will need to be rooted to do this (which is easy!).
Pinpointing the Problem
In most cases, our culprit is a... more