For MediaTek devices, always keep a backup of your original preloader before flashing custom ROMs. You can dump it using mtkclient (open-source tool) on Linux.
If you have tried multiple versions of the SP Flash Tool, verified the firmware is correct, swapped cables, and still receive the STATUS_EXT_RAM_EXCEPTION , the device likely suffers from a . sp flash tool error status ext ram exception link
Plug the cable directly into the computer's motherboard port (rear ports on desktops), avoiding front panels or external USB hubs. For MediaTek devices, always keep a backup of
If you have tried multiple versions of the SP Flash Tool, different computers, and various DA files but still receive the STATUS_EXT_RAM_EXCEPTION , the EMMC chip might be "read-only" or physically damaged. At this stage, the device likely requires professional motherboard repair or a chip replacement. Which does it use (e.g., MT6580, MT6750)? Did this happen after a failed update or a physical drop ? Share public link Plug the cable directly into the computer's motherboard