The story of this update is one of performance and precision. For years, users had wrestled with minor digital ghosts: Wi-Fi bands that wouldn't cooperate or the elusive MU-MIMO settings that stayed grayed out. The new firmware acts as the "brain transplant" the hardware needed. It optimizes the , allowing the dual-band 802.11ac system to steer devices more intelligently between 2.4GHz and 5GHz frequencies.