The tool will capture the connection and output a success message (e.g., SLA/DA Bypass Success ). Keep this program open.
To resolve this error, experts on forums like Hovatek and Reddit suggest a systematic approach:
Go to and ensure it is set to UART (or USB depending on the bypass tool instructions) with the correct COM port. sp flash tool error status ext ram exception patched
MediaTek phones often have multiple hardware variants under the exact same marketing name. Flashing firmware meant for a variant with a different RAM chip will trigger STATUS_EXT_RAM_EXCEPTION .
Search specifically for a "Secure DA file" or "Custom DA" matching your exact phone model (e.g., Xiaomi Redmi Note 8 Pro Custom DA file ). The tool will capture the connection and output
Conversely, if you are flashing an legacy legacy chip (like MT6580 or MT6735), downgrade to a specific historical version (like v5.1612) which natively handles older DRAM initialization protocols better. 5. Run SP Flash Tool with Administrator Privileges
Download and extract a trusted (such as MTK Meta Utility or MCT Bypass Tool). Install the LibUSB driver framework on your computer. Open the bypass tool and click on Disable Auth or Bypass . Power off your phone completely. MediaTek phones often have multiple hardware variants under
Click and select your downloaded, device-specific custom DA binary. 2. Downgrade to a "Sweet Spot" SP Flash Tool Version