77960_SEA_G821_M1_25320

77960_SEA_G821_M1_25320

Type: ECU firmware dump

What it is:
ECU binary / calibration dump for professional tuning software. Exact options follow the file name.

Changes / content:
• See file name for the exact option set.

Notes:
• For professional use. Confirm ECU ID, software version and vehicle match before flashing.
• Incorrect write can damage the ECU — follow your tool’s procedure.

Legend:
• Dump — binary calibration file for an electronic control unit (ECU).