In short:
⚠️ If you download an OTA update .zip file from Meizu’s servers, it will not work with SP Flash Tool. You need a full factory firmware dump.
, on the other hand, communicates directly with the MediaTek processor in BROM mode. It can write raw data to every single partition, including:
Use a short, data-sync capable USB-A to Micro-USB cable. Avoid cheap charging-only cables.