I directly give you a download link because:
A male-to-male USB cable connected to the unit's OTG USB port (usually the 4-pin port). installed on the laptop. SP Flash Tool software. Firmware containing a .txt Android Scatter file. Step-by-Step Instructions Open SP Flash Tool on your PC. 8227l Android 10 Firmware Download UPD
Do not panic or shut off the car. Sometimes the unit takes several minutes to recognize the file, especially during boot-up. I directly give you a download link because:
: If the screen stays dark for a long period, wait. The system may be loading in the background. Touch Calibration Firmware containing a
Disclaimer: Firmware updates carry a risk of bricking your device. Proceed with caution. If you'd like, I can:
If it doesn’t auto-detect, go to Settings > System > Update or try restarting the unit with the USB inserted.