No official website exists. Reliable sources are community forums:

Always use tools like SP Flash Tool to create a full backup of your existing firmware and "scatter" files before attempting an update. 📂 Finding & Downloading Firmware

However, if your radio currently works and you depend on it for daily navigation, . The performance gains are marginal, and the risk of turning your head unit into a 7-inch brick is high.

Downloading and installing Android 12 firmware for an head unit is a complex process that carries significant risks of permanently disabling the device (bricking it) if the wrong file is used . Many 8227L units sold as "Android 12" actually run older versions (like Android 6 or 8) with a modified user interface. Critical Pre-Installation Steps

Many people downgrade back to Android 10 (real) because “Android 12” is slower, buggy, and offers no real benefits.