: Do NOT turn off the car or disconnect power during the flash, as this can permanently "brick" the unit.
This is the most critical part (e.g., TZY_... or STM32... ).
Before downloading any files, you must verify your current system information. Installing the wrong firmware can "brick" your device, making it unusable. Navigate to > System > About Device . Look for the Build Number or MCU Version .
The safest sources:
Ac8257 Firmware New [upd]
: Do NOT turn off the car or disconnect power during the flash, as this can permanently "brick" the unit.
This is the most critical part (e.g., TZY_... or STM32... ). ac8257 firmware new
Before downloading any files, you must verify your current system information. Installing the wrong firmware can "brick" your device, making it unusable. Navigate to > System > About Device . Look for the Build Number or MCU Version . : Do NOT turn off the car or
The safest sources: