Older MediaTek chips reject newer versions of SP Flash Tool, while newer chips will throw RAM exceptions if forced to use older tool versions.
When SP Flash Tool communicates with the device in mode, it sends a small piece of code called the Download Agent (DA) to the device's internal SRAM. This DA is responsible for initializing the external DRAM so that the main firmware can be written to the eMMC/UFS storage. sp flash tool error status ext ram exception patched
The tool will capture the connection and output a success message (e.g., SLA/DA Bypass Success ). Keep this program open. Older MediaTek chips reject newer versions of SP