Amedia Auto units are typically "generic" Chinese head units. This means you won’t find a single "Official Amedia" website. Instead, look here:
Updates often wipe all data, including apps and settings. Prepare USB: Use a high-quality USB drive (FAT32 format). 3. How to Perform the Amedia Auto 1024x600 Update amedia auto 1024x600 o update
Once you have prepared the USB drive, follow these steps to perform the update: drive into the head unit's USB port. Amedia Auto units are typically "generic" Chinese head units
The man leaned closer to the camera. "Elara found the exploit. She wanted to disclose it. They gave her the car as a 'gift' after she signed the NDA. But she didn't stop. She embedded the kill-switch code in the display's firmware. She told me—if an 'O update' ever appears, it means someone is trying to activate the override from outside. Don't install it. Don't ever—" Prepare USB: Use a high-quality USB drive (FAT32 format)
Some newer builds allow direct downloads if connected to Wi-Fi. How To Update Your Android Head Unit + Apps