For a full list of common governors, see the section on the Governor tab below. The interactive and ondemand governors, for example, will scale your CPU up to the max setting when the CPU usage is high, and bring it back down when it's lower. The available governors vary from device to device and kernel to kernel. The governor controls your phone's behavior when choosing speeds between the max and min. On the bottom right, you can set the CPU governor. Tap or slide the sliders to change the max and min settings. The max and min sliders control the maximum and minimum CPU speed that your device will reach. The Main tab allows you to view and quickly change your most important CPU settings. If SetCPU can't gain root permissions, you won't be able to use most of the tabs, but most of the features of the Info tab will still work. If you haven't rooted your device, check out the various resources available online for rooting your device – it varies depending on your software and what device you have. Try checking the Superuser app to make sure SetCPU has root permissions, or try another root method. If SetCPU tells you that your device doesn't have root permissions, there may be an issue with the way root is configured on your device.

You'll notice the display at the top change accordingly. Try bringing the max slider one notch lower. Slide or tap the two rows of numbers to change your maximum and minimum CPU speed. On the Main tab, you can quickly change your most important CPU settings. The next time you start SetCPU, you'll jump right to the Main tab. Just press Allow button in the Superuser dialog to give SetCPU root permissions. If you have Superuser installed, which comes with most root methods, SetCPU will now ask for root permissions now. Read it and and press the Continue button below.

The first time you start SetCPU, you'll be greeted with an introduction message. Welcome to SetCPU! This guide covers most of the features available in SetCPU.

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