A loud sound through speakers when the ignition (ACC) is turned on or off.
The update patches the bt_stack.conf to lock the Bluetooth controller’s minimum CPU affinity to the performance core at 1.2GHz while an A2DP stream is active. In real terms, this means zero stutters during navigation voice prompts overlapping with music. We tested with a Pixel 7 and an iPhone 14; audio remained flawless even under heavy multitasking (CarPlay dongle + music + Maps). Zq8003 Android Update Fixed