Trusted by 230 million users, DU Speed Booster & Cleaner can clean cache and junk file, boost your phone to make phone faster by 60%, 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 boosterThe one-tap boost optimize your Android device and make it faster by 60% on home-screen. Clean up memory (RAM) and optimize phone speed by removing redundant background tasks. Stop auto-start Apps to increase boot speed and reduce memory usage.► Junk File Cleaner - Small yet powerful cleaner master, space saverFree 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.► Apps Manager - Scan and clean redundant APK filesSmart 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 everThe 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.► CPU Cooler - Detect and clean apps that cause overheatingContinuous 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.► Game Booster - The game experience will be betterAutomatically improve your game speeds by 30%+ when launching games.► Network BoostThis useful tool can reset all your network interface connection by one click.And it has Vol Boost feature inside also by one click.► Security & AntivirusScan installed apps, memory card content, and new apps automatically. DU Speed Booster & Antivirus latest protection technologies against viruses, adware, malware, trojan and more.► Charging BoostIntroducing the Charging Screensaver, to booster the charging speed by 20%.► Smart ChargeDisplay charge status in real time, accurately estimating remaining charge time.Display notifications on the screensaver to never miss friends messages.Find us online:Facebook: http://facebook.com/duappsTwitter: https://twitter.com/duappsDU 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 adsDU 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@example.com. We appreciate your kindly help.