The default DA file doesn't support your specific RAM hardware vendor (e.g., Samsung, Micron, or SK Hynix).
If you are using an Auth Bypass tool, the connection might be unstable in the default USB mode. Go to > Connection . Switch the connection from USB to UART . sp flash tool error status ext ram exception
You are attempting to flash a ROM that wasn't designed for your specific sub-model or hardware revision. The default DA file doesn't support your specific
Use a high-quality original USB cable and avoid USB 3.0 (blue) ports; USB 2.0 ports on the back of a PC are generally more stable for flashing. Switch the connection from USB to UART
Not all versions are created equal. Newer versions (v6.x) sometimes enforce stricter security checks that trigger this error.
This error indicates that the failed to initialize the device's External RAM (DRAM). Because the tool cannot set up the memory environment needed to transfer firmware data, the process stops. Common causes include:
In SP Flash Tool, click next to the "Download-Agent" box and select your custom file. 2. Verify Your Firmware Version