Free—clean up system trash files (caches), extend SD card storage, and solve your lack of disk space. Plus free Speed Booster for Android Phones.Have you ever encountered the following problems?1. System garbage causes the phone to run slowly and app garbage eats up your internal storage.2. No more space is available for new photos or apps.3. Your phone is running crazily slow.All these situations need a clean-up tool, such as a phone booster, junk remover, etc.Highlights of DU Cleaner (Boost & Clear Cache):► Ultra-small sizeMaking it much smaller than similar apps on Google Play.► Extremely focusedPerforms the most comprehensive trash-cleaning to save you more phone space;► Intelligent analysisUsing our new intelligent analysis engine, DU Cleaner (Boost & Clear Cache) deletes what you want to remove, leaves what you think is useful, and never loses your good memories.Features of DU Cleaner (Boost & Clear Cache):► Clean Up & Junk File CleaningThe junk-creating behavior of millions of apps has been analyzed so that Clean Master 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.► Memory BoostBoost your games and apps, free up memory (RAM), speed up your device, and save more battery. Our 1-Tap Boost features make it easy to optimize directly from your homescreen.► Useless APKsFind and delete useless APKs on your phone to free up more storage space.► Residual FilesClear up residual data from previously uninstalled applications.The World's Most Trusted Android Optimizer, Speed Booster, and trash-cleaning app; DU Cleaner & Speed Booster is a FREE app that can help clean redundant apps and files, free up storage space, clean up your RAM, and speed up your Android device. 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 might be malicious promotions from unknown channels. If you come across one of these ads, you can help us take them down. Please send the link and screenshots of the ad to [email protected]/* */ We appreciate your kind help.