DU Speed Booster & Cleaner is a speed booster, ram booster, game booster, junk file cleaner, trash cleaner, memory booster, battery optimizer and app manager for your Android phones or tablet.
Trusted by 230 million users, DU Speed Booster is the only all-in-one speed booster, trash cleaner and antivirus app that optimizes your background apps, memory space, junk(cache) files and battery power. 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
One-tap Boost: A single touch to speed up your devices and release memory
Regular Cleaning: Automatically closes background apps, keeping your phone at best performance
Whitelist: You can add frequently-used apps to your whitelist
Home Screen Rocket Man: Brings you fun while clearing memory

Junk File Cleaner
The junk-creating behavior of millions of apps has been analyzed so that DU Speed Booster & Antivirus can efficiently hone in on its targets (cache and residual files) with perfect accuracy.
Delete cache and residual files to reclaim storage, boost speed and improve the performance of your device and SD card.

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.

► Apps Manager
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.

Network Boost
This useful tool can reset all your network interface connection by one click.
And it has Vol Boost feature inside also by one click.

DU Speed Booster（Antivirus & Junk Cleaner）Features：
AppLock
The fastest & safest applock for android in the world; Security tool, easy to reset password.

Memory Boost
Boost your games and apps, free up memory (RAM), speed up your device and save more battery. Our 1 Tap Boost and Game Boost features make it easy to optimize directly from your homescreen.

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