• SetCPU for Root Users 1
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SetCPU for Root Users

SetCPU is a tool for changing the CPU settings on a rooted Android phone or tablet. SetCPU works with a great variety of Android devices and ROMs, including the HTC One series, Samsung Galaxy series, and Nexus devices. You're under control: SetCPU can improve your performance, save battery, or both!
Automate SetCPU with profiles! SetCPU allows you to set up powerful profiles to change your settings under certain conditions, such as what app is running, when the phone is asleep or charging, when the battery level drops below a certain point, when the phone's temperature is too high, or during certain times of day. See the screenshots for examples of how you might set up profiles.

SetCPU's wide feature set make it useful to Android beginners and enthusiasts alike. Accelerate your processor to unleash your phone's true multitasking potential, or dial your CPU's speed down to save battery.

SetCPU also includes a "voltage control" menu, available to certain devices with custom kernels that support it, to control undervolting to save even more battery. Undervolting is only available for certain kernels.

3.1.0Hey guys! It's good to be back ;) I have been very busy with school for the past year. 3.1.0 is mostly a bug fix release for some standing issues, but expect much more frequent updates from now on.


- Added SUPERUSER permission.
- Fixed a bug where action bar menu items would sometimes not appear for the profiles menu.
- Fixed a bug where voltage items would appear in reverse with some custom kernels.
- Added an open source licenses menu item in About.

Mike "coolbho3k" Huang

Permissions:Root: SetCPU needs root permissions to modify the CPU speed and other settings.

Read logs: is used for efficient app condition checking. That is currently all it's used for.

Start at boot: SetCPU will start a profiles service at boot, if enabled. It also sets default boot settings, if enabled. SetCPU does not run in the background if profiles are not enabled, and becomes inactive after settings, if any, are applied.

Wake lock: This prevents the phone from sleeping while stress testing and benchmarking.

Write external storage: SetCPU needs to read from and write to the SD card or internal storage to back up profiles.

Read phone state: The "in call" condition needs this to determine if the user is making a phone call or not, and trigger the profile if the user wants to.

Category : Tools

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Reviews (29)

A. A. B. Oct 29, 2018     

Awesome app. After setting the profiles my 4 year old tablet runs faster when I use, and it's battery lasts like forever if I am just keeping the screen off. I wish I could use it without rooting my smartphone. I highly recommend it to anyone with root.

Nat. R. Jul 18, 2021     

App is not compatible with custom rom I'm currently running. Initially installed on rooted device running stock6.0.1 & crashed. Flashed various ROMS @ or above 9 still crashed, will not load past the root access permission screen. Lobbying for a refund - expensive app if it's not usable. Update: raised to 2 stars due to the app's credibility & powerful OC ability even if Iam unable to utilize. Have contacted developer concerning refund still no answer. Will continue to attempt communication.

jam. m. Jul 17, 2021     

Doesn't work on Pie devices. Just freezes when trying to get root (using Magisk) and causes the phone to become no responsive. (SD 845 with 6GB Ram)

Jim. D. Feb 24, 2019     

Like many other people report, this app now seems to be broke. Hangs after given root permissions and gives an empty screen after reopening.

Mic. H. Nov 13, 2020     

Didn't work for me either. Gave it root permission and it just came up to a black screen. Used it a while back on my phone but doesn't work on my tablet

A. G. u. Oct 22, 2018     

This app used work on my HTC Incredible phone. Years later I have the HTC U11 and U12+ both rooted and this app just goes to a blank screen when you open it up. I paid for this app and it is now rubbish. The Dev should be updating the app or refund everyone their money.

Far. A. Sep 28, 2020     

I've already paid and instal. But very badly it's blank screen when device ask for root permission. Another user said will be launch when second opened aps. But it's already 2 days the aps doesn't work

The. G. b. Apr 6, 2020     

Just fine but you kind of need to update it says last updated like June 23 2018 it's been 2 years so I wondered if you could update for bug fixes if there's any bugs.

Dan. D. K. Apr 21, 2019     

broken on both my devices. black screen freezing both devices. following developer's method to fix this does not work.

obj. O. Feb 26, 2022     

I very much regret giving a negative review. But the app doesn't start at all( Android 10)

Qui. M. Dec 7, 2020     

Already paid and get nothing more than a black screen.... Remove the product if it doesn't work

Har. M. Dec 22, 2018     

I purchased the app but unfortunately when given root access, app just hangs and nothing works!..

Bra. C. May 24, 2021     

App is broken. After granting root access it only shows a blank screen.

Muh. I. D. B. Oct 2, 2018     

Not working on zenfone 2 ze551ml. After granted root, the apps go to blank screen.

Mar. G. Feb 24, 2019     

This App used to be soo good, and now the only Thing it does is just hang itself after giving root permission.

A. G. u. Feb 9, 2019     

once root access is granted, will not show any options. stays blank

Rav. K. May 15, 2020     

Needs an update, used to work great but blanks out on new android versions.

Cur. T. May 23, 2020     

doesnt work on my rooted s7 it just doesnt load even once i geanted superiser access

Imu. F. Dec 24, 2018     

Cannot open, my device is root. always fc

And. S. Dec 26, 2019     

Rooted and not working android 10

Foo. B. Jul 15, 2020     

Going to update and fix ever? This was the entire reason I rooted my tablet

کتی. س. Jun 10, 2020     

It's really really useful. Thank you for creating this great app.

Mac. H. Aug 27, 2019     

Worked years ago on Samsung s3 just has black screen on Samsung a3 6 now its useless don't buy

STE. R. J. Feb 20, 2019     

does not work with LG Stylo 2 plus period

O. A. Nov 29, 2018     

It's stuck after giving permissions

Han. L. Oct 23, 2019     

The app is not working ☹️

Pad. H. May 14, 2022     

Does not work on my custom rom

Ano. B. Jun 29, 2019     

no longer works. should be removed from store.

X. X. Nov 22, 2019     

One of my favorite root apps!