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SetCPU for Root Users

by MichaelHuang
Rated: All Ages
3.5 out of 5 stars  See all reviews (60 customer reviews)

Price: $2.00
Sold by: Amazon Digital Services, Inc.
Available instantly

This app needs permission to access:

  • Read only access to device state
  • Get notified that the operating system has finished booting
See all Application Permissions
This app will only work on an Android device with root level permissions. You should only purchase this app if you are certain that your device is rooted. does not encourage you to root your phone.

By placing your order, you agree to our Terms of Use

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Latest Updates

What's new in version
  • Fixed widget to now only take up 1x1
  • Fixed a bug where profile notifications were not taking the user back to the app
  • Fixed a bug that caused Superuser to give excessive notifications on some multicore devices
  • Fixed a crash where SetCPU crashed when given some non-supported voltage interfaces - the menu should be present, but non-functional on these devices

Product Details

  • ASIN: B004OAIV4E
  • Release Date: March 15, 2011
  • Rated: All Ages
  • Average Customer Review: 3.5 out of 5 stars  See all reviews (60 customer reviews)
  • Amazon Best Sellers Rank: #11,280 Paid in Appstore for Android (See Top 100 Paid in Appstore for Android)
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Product Features

  • Revamped user interface, including a new background for the widget
  • New notification icons have also been added
  • Improved reliability of auto-detect on certain kernels

Product Description

SetCPU for Root Users – Overclocking your rooted device lets you speed up your phone’s processor when you are using it and lets you slow it down when it goes into "sleep" mode. It can either be a battery hog or battery saver.

SetCPU is a tool for changing the CPU settings (capable of overclock and underclock) on a rooted Android phone, including the Galaxy Nexus, Nexus S, Motorola Droid, Nexus One, G1, G2, Samsung Galaxy S II, myTouch 4G, Motorola Xoom, or one of many other devices to improve performance or save battery.

SetCPU also allows you to set up powerful profiles to change the CPU speed under certain conditions, such as 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 beginners and enthusiasts alike. Accelerate your processor to unleash your phone's multitasking potential, or dial your CPU's speed down to save battery.

Technical Details

Size: 1.1MB
Developed By: MichaelHuang
Application Permissions: ( Help me understand what permissions mean )
  • Read only access to device state
  • Get notified that the operating system has finished booting
  • Write to external storage
  • Access the vibration feature
  • PowerManager WakeLocks to keep processor from sleeping or screen from dimming
Minimum Operating System: Android 2.1
Approximate Download Time: Less than 30 seconds

Customer Reviews

3.5 out of 5 stars
3.5 out of 5 stars
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Most Helpful Customer Reviews
7 of 7 people found the following review helpful
3.0 out of 5 stars Amazon has out of date version. December 11, 2011
By Shellz
Verified Purchase
Don't like to buy from Amazon. Out of date version. Otherwise a decent app. The developer also is not helpful in assisting in this matter. To think I paid to get an outdated app!!
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9 of 10 people found the following review helpful
5.0 out of 5 stars Must have app for the smart phone users March 22, 2011
I have a Motorola Xoom and I was able to Overclock to 1.5GHZ and the application is really easy and straightforward. The application speeds up my phone and allows me to do multiple things...A Battery Saver...Increases the life significantly...Love it...
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5 of 5 people found the following review helpful
1.0 out of 5 stars Old version November 17, 2012
By ALok
Verified Purchase
Why haven't you updated this app? It is so far behind the play store version. Or please refund us.... I would not suggest buying.
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6 of 7 people found the following review helpful
5.0 out of 5 stars Must have for root users March 22, 2011
One of the main reasons I decided to root my Droid 1. Overclocking is really easy and straightforward, as well as there being many other more advanced settings. A must have!
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5 of 6 people found the following review helpful
1.0 out of 5 stars out of date December 7, 2011
By RobOhh
Verified Purchase
as of the date of this review, 12/7/2011 setcpu on amazon is out of date. the currenr version available on "the market" is 2.2.4. this version is 2.2.1 and has not been updated to stay in sync with the version in the market.

Please update the version of setcpu available on amazon... otherwise a great app...
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3 of 3 people found the following review helpful
1.0 out of 5 stars not up to date May 17, 2013
Verified Purchase
This app hasn't been updated in a long time. Google's app is always kept up to date... don't waste your money here.
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1 of 1 people found the following review helpful
1.0 out of 5 stars Long out of date... May 22, 2014
Verified Purchase
Pros: it works

Cons: current version is 3.1.2 right now and if you want this then just get the free download of it off XDA

Summary: I bought to support the guy for making this cool app and know what my thanks for supporting someone is? Absolutely nothing... this is the same out of date free version on the XDA forums just google "setcpu" and you'll find it, I probably should've read a few reviews first but as stated above I wanted to support the guy, welp not doing that again..... seriously all I ask is for the latest update, its not that hard.
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5.0 out of 5 stars Must have app for maximum CPU control April 2, 2011
This is a great app and allows for complete control of your CPU. There are some standard settings that you can use if you don't want to experiment, but if you really want control, you can set maximum CPU based on your battery level and for when your phones screen is off. Some theorize that capping the CPU wont help since it will just cause your CPU to run longer and kill the battery anyway, but I disagree. That may be the case on a rare basis, but overall it has really kept the usage under control. To me, heat = major battery drain. Since I installed this, I rarely feel serious warmth from my HTC HD2 (running froyo off SD card). On that note, you can also set up CPU temp profiles to keep it under a certain temp. Best $2 I've spent so far! Thanks!
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Most Recent Customer Reviews
1.0 out of 5 stars Would like a refund
Continually closes. Has never worked. Would like a refund
Published 2 months ago by ricky payne
5.0 out of 5 stars Plot twist
Great app, and the fact that you can make custom profiles makes it that much better
Published 10 months ago by Christopher Fernandez
3.0 out of 5 stars SetCPU
Doesn't seem to do much for my phone, though mentally it looks good as an app...therefore, 3 stars for an app that had me wondering if I should continue adjusting the phone... Read more
Published 12 months ago by Kar Hang Lau
5.0 out of 5 stars Five Stars
Published 13 months ago by Javier Tomas / 10-5160
1.0 out of 5 stars Version is way out of date
I should have read the reviews here before purchasing. Version is way out of date and the app may not even be supported any more.
Published 13 months ago by Mark Dodgson
5.0 out of 5 stars For Rooted deviced only
You can change the CPU settings easily on a rooted Android phone. Accelerate your processor or speed down CPU to save battery.
Published 14 months ago by Surendra Patel
1.0 out of 5 stars No update
The app at Amazon is an old version. The developer support is extremely poor. Think twice before you buy another product from this developer as you will waste your money.
Published 15 months ago by Anand
5.0 out of 5 stars 4 hours on zeepad
Was looking to get a little more than 2 hours from my zeepad, even when I was in airplane mode. Worked great on the zeepad set the hi to something less than 500Mhz and low to... Read more
Published 21 months ago by SCK
5.0 out of 5 stars Improves battery life greatly
This app has improved my battery life by a surprising amount and it's well worth the money. Also, keep in mind that to actually overclock your phone, you need to have an... Read more
Published on April 29, 2013 by Jason
4.0 out of 5 stars Works
I was hoping to overclock a dog slow tablet. This didn't do that, but does do a good job keeping it running as fast as it can with the cpu's factory clock speeds.
Published on January 29, 2013 by W. M. Seaton
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Topic From this Discussion
Custom ROM needed?
You will need a custom kernel that allows voltage control. SetCPU should run on any ROM with such a kernel.
Sep 13, 2011 by PezLee |  See all 2 posts
Screen Shot It? Something's wrong
SetCPU. They do need to fix the description. But both programs are great and worth your time.
Mar 23, 2011 by Scott Conrad |  See all 2 posts
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