Firmware Updates (Mobile Devices) refer to

Firmware Updates (Mobile Devices) refer to

• A. Replaces the device's motherboard
• B. Installs new apps on the phone
• C. Updates the baseband of the radio modem used for cellular, Wi-Fi, Bluetooth, NFC, and GPS connectivity.
• D. Increases screen brightness automatically

Answer: (C)

Firmware updates on mobile devices update the embedded software that directly controls hardware components. In this context, the baseband firmware in the radio modem manages cellular connectivity and related radio interfaces such as Wi‑Fi, Bluetooth, NFC, and GPS. Updating this baseband firmware improves how these radios operate, fixes security vulnerabilities, and adds compatibility with new network standards and features.

That’s why the statement about updating the baseband is the correct one. Replacing the device’s motherboard is a hardware change, not a firmware update. Installing new apps is software, but not firmware. Increasing screen brightness is a display setting or power management function, not a firmware update.