Extract the firmware from a full OTA package or use a tool like "MTK Client" to read the current preloader version from the phone (if it still boots to BROM mode). Match the firmware's build fingerprint exactly.
to remove all old MediaTek/VCOM drivers, then reinstall the latest MTK VCOM Drivers Root Folder sp flash tool error status ext ram exception
This is not an internal ROM or storage error. This is about volatile memory (RAM). That means the phone might still have recoverable firmware, but the tool cannot "wake up" the RAM to load the flashing agent. Extract the firmware from a full OTA package
If your device has secure boot, your MTK Auth Bypass might have failed even if it reported success. This is about volatile memory (RAM)
If you've ever seen "SP Flash Tool error: STATUS_EXT_RAM_EXCEPTION" while flashing firmware to a MediaTek device, you know it can stop you cold. This guide explains what that error means, why it happens, and step-by-step ways to fix it — presented in an engaging, no-nonsense style.