One of the most crucial aspects of firmware updates on the Bold 9700 was the optimization of battery performance. The Bold 9700 was renowned for its exceptional battery life, a feat that was as much software-based as it was hardware-based. Firmware updates frequently included radio file updates that improved how the device communicated with cellular towers. By optimizing the way the processor handled data packets and signal searching, engineers were able to squeeze days of usage out of the 1500 mAh battery. A firmware change often meant the difference between a phone that lasted until 5:00 PM and one that lasted until the next morning, a critical factor for the enterprise professionals who relied on the device for mission-critical communications.