The Flyme 6.7.7.10 daily closed beta will bring enhanced system performance, camera features, better connectivity, UI changes, and features like payment authorization for several services via the fingerprint sensor and more. However, since it is a closed beta builds, several things may not work as expected.

To get Android 7.0 Nougat based Flyme OS closed beta, users need to register on the official Flyme website with device details and your region. Once the registration is completed, users can download the first version of the closed beta called Flyme 6.7.7.10 Daily, which weighs round 1.4GB. As said above, currently Meizu PRO and Meizu PRO 6S are eligible devices for Flyme OS Nougat closed beta testing. Meizu PRO 6 Plus, PRO 5, MX6, Charm Blue E, Charm Blue Max, Charm Blue Note 5, Charm Blue Note 3, and nine other devices will get the update in the coming days. Nougat Flyme OS open beta and stable release schedule is unclear. However, it seems that Nougat Flyme OS open beta will be released by the end of this month and the stable build will be released within two months. (Source)