This error is notoriously vague yet destructive. It appears abruptly during the download process, often when the red progress bar is filling up or just as the purple (DAA) or yellow bars begin. When this error appears, the SP Flash Tool stops immediately, leaving the device in a non-bootable state.
But what does "Ext RAM Exception" actually mean? Is your hardware dead? Is the firmware corrupt? Or is it a simple configuration mistake? sp flash tool status ext ram exception
If you have tried all seven steps and the error persists, you are likely looking at a BGA failure. At that point, the decision is simple: professional micro-soldering or motherboard replacement. But for 95% of readers, the solution lies in the software settings above. This error is notoriously vague yet destructive