Download DU Speed Booster APK
com.dianxinos.optimizer.duplay · by DU Security Lab（Antivirus killer and cleaner）
• Updated: May 24, 2026
About DU Speed Booster
DU Speed Booster is an Android app developed by DU Security Lab（Antivirus killer and cleaner）. Download the DU Speed Booster APK below — every file is cryptographically verified, scanned for malware, and free of charge.
All DU Speed Booster APK versions
No versions available.
Frequently Asked Questions
Yes. Every DU Speed Booster APK on APK.now is automatically scanned and the cryptographic signature is verified against the original publisher's certificate (DU Security Lab（Antivirus killer and cleaner）). Files that fail verification are removed before they ever reach the catalog.
Enable 'Install from unknown sources' for your browser (or the file manager you use to open the APK) under Settings → Apps → Special access. Tap the downloaded DU Speed Booster APK, confirm the prompts, and Android installs it just like any app from the Play Store.
The latest DU Speed Booster version available on APK.now is the latest version. We track new releases from DU Security Lab（Antivirus killer and cleaner） continuously and add them to the catalog as soon as they pass verification.
Yes — every DU Speed Booster APK and every version on APK.now is free to download. We never gate downloads behind sign-up, surveys, or paywalls.
APK.now keeps a full archive of every DU Speed Booster release, including older versions that the Play Store has already replaced. The APKs work on devices without Google Play Services (Huawei, GrapheneOS, Amazon Fire) and are signature-verified so you can be confident the file is genuine.