: Copy the update files directly to the root directory of your USB/SD card (do not put them in a folder).
If you need a more specific file or are facing a (like a loop or black screen), Firmwares | Dasaita Stereo Forum
: The MCU firmware can sometimes be updated independently of the Android system to fix specific hardware bugs, such as Bluetooth or CAN bus issues. However, this is a higher-risk procedure .
You will typically download a .zip file for the OS update and a separate file for the MCU update. 💾 Step 3: Prepare Your USB or SD Card Use a high-quality USB 2.0/3.0 drive (8GB to 32GB). Format the drive to FAT32 on a Windows PC.