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Boost the speed of your phone with just One-Tap to keep your phone Fast!?

Trusted by 230 million users, DU Speed Booster & Cleaner can clean cache and junk file, boost your phone to make phone faster, making it the best cache cleaner, memory booster, DU Speed Booster & Cleaner Total keeps your Android device safe, clean, and fast to be always just like ”New”.

DU Speed Booster & Cleaner is the only all-in-one speed booster, trash cleaner and antivirus app that optimizes your background apps, memory space and junk(cache) files. While keeping your device safe from virus and trojan, that can secure your private data with the AppLock function.

DU Speed Booster（Antivirus & Junk Cleaner）Highlights：

► Phone Boost & Memory Boost - The best phone speed booster

Clean up memory (RAM) and optimize phone speed by removing redundant background tasks.

Stop stealthy running apps, Aims to speeding up your android device.

We also have phone booster shortcut, One-Tap Boost directly from your home screen makes it easy to optimize.

► Junk File Cleaner - Small yet powerful cleaner master, space saver

Free up space and improve the performance by intelligently scan the junk files.

Such as residual files, cache, temp files, obsolete apks and other big files.

► Security & Antivirus

Scan installed apps, memory card content, and new apps automatically.

DU Speed Booster & Antivirus latest protection technologies against viruses, adware, malware, trojan and more.

► Network Boost

One-tap comprehensively detects network status, including Wi-Fi security, download speed, upload speed, networking devices. Close background network-occupied applications, to ensure that the using apps is in a better network condition.

► CPU Cooler - Detect and clean apps that cause overheating

Continuous monitoring temperature changes, detects apps highly consuming CPU and starts a cooling progress, effectively reduce the phone temperature.By memory boost, it can cool down Android device as fast as possible.

► Apps Manager - Scan and clean redundant APK files

Smart Task Manager transfer apps, games or files, move to SD card easily without scrolling from one screen to another one! App Manager for moving internal storage apps to external SD card will give you a lot of free space on your tablet or smart phone.

► AppLock - Guarding your privacy is easier than ever

The fastest & safest applock for android in the world; Security tool, easy to reset password.

Prevent others from accessing your important private apps such as Facebook, Instagram, SMS, Gallery and so on.

► Smart Charge

Display charge status in real time, accurately estimating remaining charge time.

Display notifications on the screensaver to never miss friends' messages.

► DU Swipe

Help users quickly switch applications and system settings!

Find us online:

Facebook: http://facebook.com/duapps

Twitter: https://twitter.com/duapps

DU Speed Booster & Cleaner is right here to deal with all issues that slow down your Android device performance! DU speed Booster is here to help you to Clean and Speed Up android device, android system or in one touch optimize all files on your tablet or smartphone! It will help you master and optimize your background apps, memory space, junk (cache) files and battery power, as well as inspect apps permissions and secure your phone from viruses.

Help fight against deceptive ads

DU Group is dedicated to providing a safer mobile experience for our global users, so we’re committed to fighting against misleading downloads. We’ve found that some ads/redirected pages might be malicious promotion from unknown channels. If you come across one of these ads, you can help us to take them down. Please send us the link and screenshots of these ads at [email protected]. We appreciate your kindly help.

Our app uses Accessibility services under certain condition to enable advanced functions and improve your experience.