/ June 23, 2017
(4.5/5) (12397481)

Description

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

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

DU Speed Booster(Antivirus & JunkCleaner)Highlights
Phone Boost & Memory Boost - The best phone speedbooster
Clean up memory (RAM) and optimize phone speed by removingredundant background tasks.
Stop stealthy running apps, Aims to speeding up your androiddevice.
We also have phone booster shortcut, One-Tap Boost directly fromyour 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 thejunk files.
Such as residual files, cache, temp files, obsolete apks and otherbig files.

Security & Antivirus
Scan installed apps, memory card content, and new appsautomatically.
DU Speed Booster & Antivirus latest protection technologiesagainst viruses, adware, malware, trojan and more.

Network Boost
One-tap comprehensively detects network status, including Wi-Fisecurity, download speed, upload speed, networking devices. Closebackground network-occupied applications, to ensure that the usingapps is in a better network condition.

CPU Cooler - Detect and clean apps that causeoverheating
Continuous monitoring temperature changes, detects apps highlyconsuming CPU and starts a cooling progress, effectively reduce thephone temperature.By memory boost, it can cool down Android deviceas fast as possible.

Apps Manager - Scan and clean redundant APK files
Smart Task Manager transfer apps, games or files, move to SD cardeasily without scrolling from one screen to another one! AppManager for moving internal storage apps to external SD card willgive 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; Securitytool, easy to reset password.
Prevent others from accessing your important private apps such asFacebook, Instagram, SMS, Gallery and so on.

Smart Charge
Display charge status in real time, accurately estimating remainingcharge 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 allissues that slow down your Android device performance! DU speedBooster is here to help you to Clean and Speed Up android device,android system or in one touch optimize all files on your tablet orsmartphone! It will help you master and optimize your backgroundapps, memory space, junk (cache) files and battery power, as wellas inspect apps permissions and secure your phone fromviruses.

Help fight against deceptive ads
DU Group is dedicated to providing a safer mobile experience forour global users, so we’re committed to fighting against misleadingdownloads. We’ve found that some ads/redirected pages might bemalicious promotion from unknown channels. If you come across oneof these ads, you can help us to take them down. Please send us thelink and screenshots of these ads at spam_report@duapps.com. Weappreciate your kindly help.

App Information Cache Cleaner-DU Speed Booster

  • App Name
    Cache Cleaner-DU Speed Booster
  • Package Name
    com.dianxinos.optimizer.duplay
  • Updated
    June 23, 2017
  • File Size
    Undefined
  • Requires Android
    Android Varies with device
  • Version
  • Developer
    DU APPS STUDIO - BATTERY&BOOSTER
  • Installs
    100,000,000 - 500,000,000
  • Price
    Free
  • Category
    Tools
  • Developer
    Visit website Email feedback@duapps.com Privacy Policy
    Flat 2, 19/F, Henan Building, 90-92 Jaffe Road, Wanchai, Hong Kong
  • Google Play Link

Cache Cleaner-DU Speed Booster Version History

Select Cache Cleaner-DU Speed Booster Version :
  • 3.1.6.1 (4075)
  • 2.9.9.8.8.1 (3666)
  • 2.9.9.8.6 (3627)
  • 2.9.9.8.5 (3613)
  • 2.9.9.8.2 (3588)
  • 2.9.9.8.1 (3585)
  • 2.9.9.7.8 (3565)
  • 2.9.9.7.8 (3565)
  • 2.9.9.7.8 (3565)
  • 2.9.9.7.6 (3551)
  • 2.9.9.7.6 (3551)
  • 2.9.9.7.6 (3551)
  • 2.9.9.7.5 (3548)
  • 2.9.9.7 (3526)
  • 2.9.9.3.5 (3424)
  • 2.9.9.3.3 (3410)
  • 2.9.9.2.2 (3377)
  • 2.9.9.1.1 (3324)
  • 2.9.9.1 (3311)
  • 2.9.9.0.3 (3279)
  • 2.9.9.0.1 (3255)
  • 2.9.8.9.6 (3210)
  • 2.9.8.8.2 (3052)
  • 2.9.8.6 (2969)
  • 2.9.8.5 (2921)
  • 2.9.8.4.1 (2912)
  • 2.9.8.4 (2899)
  • 2.9.8.2.1 (2859)
  • 2.9.7 (2752)
  • 2.9.6.2 (2735)
  • 2.9.5.1 (2684)
  • 2.9.3.1 (2609)
  • 2.9.2 (2558)
  • Cache Cleaner-DU Speed Booster 3.1.6.1 APK File

    Publish Date: 2018 /12/10
    Requires Android: Android 4.0+ (Ice Cream Sandwich, API: 14)
    File Size: 15.0 MB
    Tested on: Android 8.1 (Oreo, API: 27)
    File Sha1: 7e98cc3427940c24a7efb4ae7f4a5bf0e5cfd374
    APK Signature: ecd5a7ada0ad656eceb9b8de799e61c20e714d7f
  • Cache Cleaner-DU Speed Booster 2.9.9.8.8.1 APK File

    Publish Date: 2017 /5/28
    Requires Android: Android 4.0+ (Ice Cream Sandwich, API: 14)
    File Size: 13.5 MB
    Tested on: Android 4.4 (KitKat, API: 19)
    File Sha1: 85fd2f34906ef6c521e9cb11705f9a9af054ba35
    APK Signature: ecd5a7ada0ad656eceb9b8de799e61c20e714d7f
  • Cache Cleaner-DU Speed Booster 2.9.9.8.6 APK File

    Publish Date: 2017 /5/14
    Requires Android: Android 4.0+ (Ice Cream Sandwich, API: 14)
    File Size: 12.6 MB
    Tested on: Android 4.4 (KitKat, API: 19)
    File Sha1: a1f783434a94ad6cdc147e519d5c4dfe8a35d6df
    APK Signature: ecd5a7ada0ad656eceb9b8de799e61c20e714d7f
  • Cache Cleaner-DU Speed Booster 2.9.9.8.5 APK File

    Publish Date: 2017 /5/2
    Requires Android: Android 4.0+ (Ice Cream Sandwich, API: 14)
    File Size: 12.6 MB
    Tested on: Android 4.4 (KitKat, API: 19)
    File Sha1: 649161148a7a11e4149761073859bf2b2d21263f
    APK Signature: ecd5a7ada0ad656eceb9b8de799e61c20e714d7f
  • Cache Cleaner-DU Speed Booster 2.9.9.8.2 APK File

    Publish Date: 2017 /4/11
    Requires Android: Android 4.0+ (Ice Cream Sandwich, API: 14)
    File Size: 12.6 MB
    Tested on: Android 4.4 (KitKat, API: 19)
    File Sha1: f39b96b751d0576d3eb6e1ecd3bebab253e8b40c
    APK Signature: ecd5a7ada0ad656eceb9b8de799e61c20e714d7f
  • Cache Cleaner-DU Speed Booster 2.9.9.8.1 APK File

    Publish Date: 2017 /4/6
    Requires Android: Android 4.0+ (Ice Cream Sandwich, API: 14)
    File Size: 12.6 MB
    Tested on: Android 4.4 (KitKat, API: 19)
    File Sha1: 4b58222d8f2113695f8653bc721fce0df0db431d
    APK Signature: ecd5a7ada0ad656eceb9b8de799e61c20e714d7f
  • Cache Cleaner-DU Speed Booster 2.9.9.7.8 APK File

    Publish Date: 2017 /4/15
    Requires Android: Android 4.0+ (Ice Cream Sandwich, API: 14)
    File Size: 12.4 MB
    Tested on: Android 4.4 (KitKat, API: 19)
    File Sha1: 09eaba3550cafa72ec19500700317e13f3008c1d
    APK Signature: ecd5a7ada0ad656eceb9b8de799e61c20e714d7f
  • Cache Cleaner-DU Speed Booster 2.9.9.7.8 APK File

    Publish Date: 2017 /4/12
    Requires Android: Android 4.0+ (Ice Cream Sandwich, API: 14)
    File Size: 12.4 MB
    Tested on: Android 4.4 (KitKat, API: 19)
    File Sha1: 09eaba3550cafa72ec19500700317e13f3008c1d
    APK Signature: ecd5a7ada0ad656eceb9b8de799e61c20e714d7f
  • Cache Cleaner-DU Speed Booster 2.9.9.7.8 APK File

    Publish Date: 2017 /3/14
    Requires Android: Android 4.0+ (Ice Cream Sandwich, API: 14)
    File Size: 12.4 MB
    Tested on: Android 4.4 (KitKat, API: 19)
    File Sha1: 09eaba3550cafa72ec19500700317e13f3008c1d
    APK Signature: ecd5a7ada0ad656eceb9b8de799e61c20e714d7f
  • Cache Cleaner-DU Speed Booster 2.9.9.7.6 APK File

    Publish Date: 2017 /3/18
    Requires Android: Android 4.0+ (Ice Cream Sandwich, API: 14)
    File Size: 12.2 MB
    Tested on: Android 4.4 (KitKat, API: 19)
    File Sha1: 702887f095a92c3bc491a8ada9e0855ddda9fc24
    APK Signature: ecd5a7ada0ad656eceb9b8de799e61c20e714d7f
  • Cache Cleaner-DU Speed Booster 2.9.9.7.6 APK File

    Publish Date: 2017 /3/15
    Requires Android: Android 4.0+ (Ice Cream Sandwich, API: 14)
    File Size: 12.2 MB
    Tested on: Android 4.4 (KitKat, API: 19)
    File Sha1: 702887f095a92c3bc491a8ada9e0855ddda9fc24
    APK Signature: ecd5a7ada0ad656eceb9b8de799e61c20e714d7f
  • Cache Cleaner-DU Speed Booster 2.9.9.7.6 APK File

    Publish Date: 2017 /2/14
    Requires Android: Android 4.0+ (Ice Cream Sandwich, API: 14)
    File Size: 12.2 MB
    Tested on: Android 4.4 (KitKat, API: 19)
    File Sha1: 702887f095a92c3bc491a8ada9e0855ddda9fc24
    APK Signature: ecd5a7ada0ad656eceb9b8de799e61c20e714d7f
  • Cache Cleaner-DU Speed Booster 2.9.9.7.5 APK File

    Publish Date: 2017 /1/19
    Requires Android: Android 4.0+ (Ice Cream Sandwich, API: 14)
    File Size: 12.4 MB
    Tested on: Android 4.4 (KitKat, API: 19)
    File Sha1: b2d59221cc79a86ed54174131a1e851cf869af5e
    APK Signature: ecd5a7ada0ad656eceb9b8de799e61c20e714d7f
  • Cache Cleaner-DU Speed Booster 2.9.9.7 APK File

    Publish Date: 2016 /12/31
    Requires Android: Android 4.0+ (Ice Cream Sandwich, API: 14)
    File Size: 12.1 MB
    Tested on: Android 4.4 (KitKat, API: 19)
    File Sha1: fb688a674d06e5e635f36e1b3e3b6dec8ef1cd0e
    APK Signature: ecd5a7ada0ad656eceb9b8de799e61c20e714d7f
  • Cache Cleaner-DU Speed Booster 2.9.9.3.5 APK File

    Publish Date: 2016 /9/27
    Requires Android: Android 4.0+ (Ice Cream Sandwich, API: 14)
    File Size: 12.4 MB
    Tested on: Android 4.4 (KitKat, API: 19)
    File Sha1: 87c6a944b0e70165a898d2988aab42d555877593
    APK Signature: ecd5a7ada0ad656eceb9b8de799e61c20e714d7f
  • Cache Cleaner-DU Speed Booster 2.9.9.3.3 APK File

    Publish Date: 2016 /9/12
    Requires Android: Android 4.0+ (Ice Cream Sandwich, API: 14)
    File Size: 12.4 MB
    Tested on: Android 4.4 (KitKat, API: 19)
    File Sha1: 897d9318be4a735a1a83052a8df0e987323b94f0
    APK Signature: ecd5a7ada0ad656eceb9b8de799e61c20e714d7f
  • Cache Cleaner-DU Speed Booster 2.9.9.2.2 APK File

    Publish Date: 2016 /8/30
    Requires Android: Android 4.0+ (Ice Cream Sandwich, API: 14)
    File Size: 12.3 MB
    Tested on: Android 4.4 (KitKat, API: 19)
    File Sha1: b4b400a733adf1685bb877e8e336fe02303a78c6
    APK Signature: ecd5a7ada0ad656eceb9b8de799e61c20e714d7f
  • Cache Cleaner-DU Speed Booster 2.9.9.1.1 APK File

    Publish Date: 2016 /8/4
    Requires Android: Android 4.0+ (Ice Cream Sandwich, API: 14)
    File Size: 12.2 MB
    Tested on: Android 4.4 (KitKat, API: 19)
    File Sha1: 4e9f57bd45ee4ac37dacff6cffbd7a99e46a3291
    APK Signature: ecd5a7ada0ad656eceb9b8de799e61c20e714d7f
  • Cache Cleaner-DU Speed Booster 2.9.9.1 APK File

    Publish Date: 2016 /7/28
    Requires Android: Android 4.0+ (Ice Cream Sandwich, API: 14)
    File Size: 12.2 MB
    Tested on: Android 4.4 (KitKat, API: 19)
    File Sha1: 47d5c75cb42a1ed2374a4bc3444c418eb5699d12
    APK Signature: ecd5a7ada0ad656eceb9b8de799e61c20e714d7f
  • Cache Cleaner-DU Speed Booster 2.9.9.0.3 APK File

    Publish Date: 2016 /7/27
    Requires Android: Android 4.0+ (Ice Cream Sandwich, API: 14)
    File Size: 12.0 MB
    Tested on: Android 4.4 (KitKat, API: 19)
    File Sha1: 32971bd8ab70a27d477685c017bdae1fcc2cd4d6
    APK Signature: ecd5a7ada0ad656eceb9b8de799e61c20e714d7f
  • Cache Cleaner-DU Speed Booster 2.9.9.0.1 APK File

    Publish Date: 2016 /7/15
    Requires Android: Android 4.0+ (Ice Cream Sandwich, API: 14)
    File Size: 12.0 MB
    Tested on: Android 4.4 (KitKat, API: 19)
    File Sha1: a725789c284d719b4e536be607d9dc4dbdaa8272
    APK Signature: ecd5a7ada0ad656eceb9b8de799e61c20e714d7f
  • Cache Cleaner-DU Speed Booster 2.9.8.9.6 APK File

    Publish Date: 2016 /7/8
    Requires Android: Android 4.0+ (Ice Cream Sandwich, API: 14)
    File Size: 12.1 MB
    Tested on: Android 4.4 (KitKat, API: 19)
    File Sha1: 3e2bd519fe385702d4bcc119b8915f9ee956d207
    APK Signature: ecd5a7ada0ad656eceb9b8de799e61c20e714d7f
  • Cache Cleaner-DU Speed Booster 2.9.8.8.2 APK File

    Publish Date: 2016 /6/6
    Requires Android: Android 2.3+ (Gingerbread, API: 9)
    File Size: 12.1 MB
    Tested on: Android 4.4 (KitKat, API: 19)
    File Sha1: c05a5532cc49aafdf6acb4796e4a91ad599e6b26
    APK Signature: ecd5a7ada0ad656eceb9b8de799e61c20e714d7f
  • Cache Cleaner-DU Speed Booster 2.9.8.6 APK File

    Publish Date: 2016 /5/12
    Requires Android: Android 2.3+ (Gingerbread, API: 9)
    File Size: 12.4 MB
    Tested on: Android 4.4 (KitKat, API: 19)
    File Sha1: 4bcbdeefd5e25f4aeb526937485e9a3b2d41f512
    APK Signature: ecd5a7ada0ad656eceb9b8de799e61c20e714d7f
  • Cache Cleaner-DU Speed Booster 2.9.8.5 APK File

    Publish Date: 2016 /5/4
    Requires Android: Android 2.3+ (Gingerbread, API: 9)
    File Size: 12.4 MB
    Tested on: Android 4.4 (KitKat, API: 19)
    File Sha1: 295b8ba2f01c8e8f30317aa883f42d707e3ed8f5
    APK Signature: ecd5a7ada0ad656eceb9b8de799e61c20e714d7f
  • Cache Cleaner-DU Speed Booster 2.9.8.4.1 APK File

    Publish Date: 2016 /4/27
    Requires Android: Android 2.3+ (Gingerbread, API: 9)
    File Size: 12.2 MB
    Tested on: Android 4.4 (KitKat, API: 19)
    File Sha1: 65b1b8b9fecd152dc2eb3ff6c41932cde4be4784
    APK Signature: ecd5a7ada0ad656eceb9b8de799e61c20e714d7f
  • Cache Cleaner-DU Speed Booster 2.9.8.4 APK File

    Publish Date: 2016 /4/21
    Requires Android: Android 2.3+ (Gingerbread, API: 9)
    File Size: 12.2 MB
    Tested on: Android 4.4 (KitKat, API: 19)
    File Sha1: c3954ff4697e3d33a8a562270933946b08796d68
    APK Signature: ecd5a7ada0ad656eceb9b8de799e61c20e714d7f
  • Cache Cleaner-DU Speed Booster 2.9.8.2.1 APK File

    Publish Date: 2016 /4/20
    Requires Android: Android 2.3+ (Gingerbread, API: 9)
    File Size: 12.2 MB
    Tested on: Android 4.4 (KitKat, API: 19)
    File Sha1: 9eb5194b430ffa838508ca9ae1396f2a2b593b6e
    APK Signature: ecd5a7ada0ad656eceb9b8de799e61c20e714d7f
  • Cache Cleaner-DU Speed Booster 2.9.7 APK File

    Publish Date: 2016 /3/18
    Requires Android: Android 2.3+ (Gingerbread, API: 9)
    File Size: 11.8 MB
    Tested on: Android 4.4 (KitKat, API: 19)
    File Sha1: 6de11f476ee981c0d285045746616b554957be18
    APK Signature: ecd5a7ada0ad656eceb9b8de799e61c20e714d7f
  • Cache Cleaner-DU Speed Booster 2.9.6.2 APK File

    Publish Date: 2016 /3/12
    Requires Android: Android 2.3+ (Gingerbread, API: 9)
    File Size: 11.8 MB
    Tested on: Android 4.4 (KitKat, API: 19)
    File Sha1: e3394979ef80b971d889ed022fd076c0eb2f6196
    APK Signature: ecd5a7ada0ad656eceb9b8de799e61c20e714d7f
  • Cache Cleaner-DU Speed Booster 2.9.5.1 APK File

    Publish Date: 2016 /2/25
    Requires Android: Android 2.3+ (Gingerbread, API: 9)
    File Size: 11.8 MB
    Tested on: Android 4.4 (KitKat, API: 19)
    File Sha1: 1c5983bf695518b1a12d3cf9f4b3d29282294d70
    APK Signature: ecd5a7ada0ad656eceb9b8de799e61c20e714d7f
  • Cache Cleaner-DU Speed Booster 2.9.3.1 APK File

    Publish Date: 2016 /1/28
    Requires Android: Android 2.3+ (Gingerbread, API: 9)
    File Size: 11.7 MB
    Tested on: Android 4.4 (KitKat, API: 19)
    File Sha1: 5d3b9884d3a7348ce12833a12fb40cbc4f1071f8
    APK Signature: ecd5a7ada0ad656eceb9b8de799e61c20e714d7f
  • Cache Cleaner-DU Speed Booster 2.9.2 APK File

    Publish Date: 2016 /1/18
    Requires Android: Android 2.3+ (Gingerbread, API: 9)
    File Size: 11.4 MB
    Tested on: Android 4.4 (KitKat, API: 19)
    File Sha1: 675b4a65773948b26e4aa5fa9e4d6bc8ad6cd9a3
    APK Signature: ecd5a7ada0ad656eceb9b8de799e61c20e714d7f

DU APPS STUDIO - BATTERY&BOOSTER Show More...

DU Battery Saver - Battery Charger & Battery Life APK
DU Battery Saver is a FREE battery savingapp that makes your battery last longer. Over 400 million usersaround the world love DU Battery Saver. With DU Battery Saver'ssmart pre-set battery power management modes, one-touch controlsand healthy battery charger stage features, you can solve batteryproblems and extend your battery life.Why DU Battery Saver (Battery Booster & Battery Charger) is aMUST-HAVE app?★ One-Click Optimization & Battery SaverInstantly find and fix battery power consumption problems andunlock detailed settings to fine-tune your energy savings;★ Smart Pre-set ModesChoose or customize a mode that fits your energy usage;★ Phone CoolerThe cool down feature works by systematically monitoring, managing,and disabling CPU-intensive apps in order to protect yourhardware;★ Battery Saver & Battery MonitorMonitor all apps that drain power while not in use and remind userabout high consumption apps. Indicates how much battery power willbe extended if you use 1-tap saving. Monitor all running-apps'power consumption and list you the detail to app manager, BatteryMonitor, clearly shows the status of battery life and usage;★ Convenient Power-Saving WidgetOur "Task Killer" widget will optimize your power consumptionconveniently. The 4x1 widget makes it easier to manage Wifi, Data,Brightness, etc, and set power saving modes;Smart ChargeDisplay charge status in real time, accurately estimating remainingcharge time.DU Battery Saver & Battery Monitor Widget is the simplest andeasiest way to keep your Android phone working well when you needit, and protect against poor charging, battery hogging apps, andoverlooked device settings that shorten your battery life.More questions about DU Battery Saver & Battery Booster?Contact us at feedback@duapps.comOther DU apps:DU Cleaner:https://goo.gl/GtGoZBDU Speed Booster:https://goo.gl/hKIl74Help fight against deceptive adsDU Group is dedicated to providing a safer mobile experience forour global users, so we’re committed to fighting against misleadingdownloads. We’ve found that some ads/redirected pages might bemalicious promotion from unknown channels. If you come across oneof these ads, you can help us to take them down. Please send us thelink and screenshots of these ads at spam_report@duapps.com. Weappreciate your kindly help.
Cache Cleaner-DU Speed Booster APK
Trusted by 230 million users, DU SpeedBooster & Cleaner can clean cache and junk file, boost yourphone to make phone faster, making it the best cache cleaner,memory booster, DU Speed Booster & Cleaner Total keeps yourAndroid device safe, clean, and fast to be always just like”New”.DU Speed Booster & Cleaner is the only all-in-one speedbooster, trash cleaner and antivirus app that optimizes yourbackground apps, memory space and junk(cache) files. While keepingyour device safe from virus and trojan, that can secure yourprivate data with the AppLock function.DU Speed Booster(Antivirus & JunkCleaner)Highlights:► Phone Boost & Memory Boost - The best phone speedboosterClean up memory (RAM) and optimize phone speed by removingredundant background tasks.Stop stealthy running apps, Aims to speeding up your androiddevice.We also have phone booster shortcut, One-Tap Boost directly fromyour home screen makes it easy to optimize.► Junk File Cleaner - Small yet powerful cleaner master,space saverFree up space and improve the performance by intelligently scan thejunk files.Such as residual files, cache, temp files, obsolete apks and otherbig files.► Security & AntivirusScan installed apps, memory card content, and new appsautomatically.DU Speed Booster & Antivirus latest protection technologiesagainst viruses, adware, malware, trojan and more.► Network BoostOne-tap comprehensively detects network status, including Wi-Fisecurity, download speed, upload speed, networking devices. Closebackground network-occupied applications, to ensure that the usingapps is in a better network condition.► CPU Cooler - Detect and clean apps that causeoverheatingContinuous monitoring temperature changes, detects apps highlyconsuming CPU and starts a cooling progress, effectively reduce thephone temperature.By memory boost, it can cool down Android deviceas fast as possible.► Apps Manager - Scan and clean redundant APK filesSmart Task Manager transfer apps, games or files, move to SD cardeasily without scrolling from one screen to another one! AppManager for moving internal storage apps to external SD card willgive 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; Securitytool, easy to reset password.Prevent others from accessing your important private apps such asFacebook, Instagram, SMS, Gallery and so on.► Smart ChargeDisplay charge status in real time, accurately estimating remainingcharge time.Display notifications on the screensaver to never miss friends'messages.► DU SwipeHelp users quickly switch applications and system settings!Find us online:Facebook: http://facebook.com/duappsTwitter: https://twitter.com/duappsDU Speed Booster & Cleaner is right here to deal with allissues that slow down your Android device performance! DU speedBooster is here to help you to Clean and Speed Up android device,android system or in one touch optimize all files on your tablet orsmartphone! It will help you master and optimize your backgroundapps, memory space, junk (cache) files and battery power, as wellas inspect apps permissions and secure your phone fromviruses.Help fight against deceptive adsDU Group is dedicated to providing a safer mobile experience forour global users, so we’re committed to fighting against misleadingdownloads. We’ve found that some ads/redirected pages might bemalicious promotion from unknown channels. If you come across oneof these ads, you can help us to take them down. Please send us thelink and screenshots of these ads at spam_report@duapps.com. Weappreciate your kindly help.