Unlike Samsung devices that use Odin or Xiaomi devices that use Mi Flash, the Meizu M3 Note is powered by a processor. MediaTek chipsets require a proprietary tool for low-level memory access. SP Flash Tool is the industry standard for flashing raw firmware (in scatter.txt format) directly onto the phone’s eMMC storage.
A full backup of your data, as this process will completely wipe the device. meizu m3 note firmware sp flash tool