Some days ago, it was tipped that Meizu will release its Flyme OS to other Qualcomm chipset powered smartphones. Meizu, a couple of days ago officially released its Flyme OS 6 to a good number of smartphones. The notable smartphone here is the OnePlus 3T. Yes, you can now install Meizu's Flyme OS 6 in a OnePlus 3T.
Other smartphones included in the list are Nexus 6P, ZUK Z2, Xiaomi Mi Note, Xiaomi Mi 3, high-end Redmi Note 3, Nexus 6, Redmi Note 2, and various other phones. Meizu also said that it would be adding more smartphones to the list in coming days.
However, the real surprise is that the OS being released to Qualcomm chipset smartphones as all the Meizu smartphones are powered by MediaTek chip. Also, it's easy to sideload a ROM to any MediaTek chip that the Qualcomm ones.
As expected, the procedure to get the ROM on the supported device is by flashing it, and for that, you need a device with an unlocked bootloader. You can download the firmware by clicking the link below.
Meizu Firmware download