Go to Settings -> Cloud Storage -> Add Connection. Choose WebDAV or Aliyun Drive, fill in your server credentials (or scan QR code for Aliyun), and you can instantly stream and sync your remote lossless music library.

Say "Mambo" or tap the voice assistant pill on the player screen to wake it up. Commands include "Play next", "Volume up", "Shuffle mode", or artist searches. Sensitivity can be adjusted in Settings for noisy environments.

Copy the APK to a USB drive and install via your head unit's file manager. ZZ Music automatically switches to a spacious cockpit workbench on landscape displays with steering wheel button support.

Google Play build: sign in with the same Google account on the new phone and tap Restore in Settings.
Official build: re-enter your original activation code in the license dialog on the new phone — the license is re-bound to the new device automatically, and the old device leaves Pro the next time it goes online.
Please keep your activation code safe (email or password manager) — it is the only credential needed, and it can be reused.

Yes. Contact us on QQ: 2968429458 (or file an issue via Official Releases in the footer) and provide your purchase order details. Once the order is verified we will help restore your license — usually by resetting your existing activation code so you can activate again on the new device. We verify by order only; never share your activation code with anyone.

No. After activation the app stores a digital certificate signed by our private key and verifies it fully offline, so it does not depend on the server being online. Even if server data were lost, the app automatically reports its certificate to rebuild the record — no action needed from you.

QQ: 2968429458 (license recovery, purchase questions, bug reports). You can also file an issue via Official Releases in the footer. For license issues please include your purchase order details so we can verify quickly. For your own safety, do not post your activation code publicly.