This topic is highly specific to aftermarket Android car head units (often sold under generic names like "Junsun," "Eonon," "Podofo," or "Klyde").
The Fix: This is a soft-brick. You will need to access the recovery menu. Use a paperclip to press and hold the pinhole RST (Reset) button while simultaneously holding the power button to force the unit into recovery mode, then try flashing again. Touch Screen is Inverted or Unresponsive K2001n Nwd Firmware
k2001n_nwd firmware package for your specific unit (ask for your current MCU version first).FW_Tools or RK Batch Tool.4PDA is a goldmine for Chinese head unit firmware. Use a browser translator. Search for "K2001n Nwd прошивка". The community tests and posts verified files. This topic is highly specific to aftermarket Android