The ISW11SC currently runs Android 4.0.4 via an OTA update from the original 2.3.6 firmware. The latest firmware available is version 1.1.1. Apple stopped updating customer AirPods Pro to firmware version 2C54. Fixing it requires hardware-specific firmware patches. Local dealers can update most vehicle firmware. SATA hard disk drives loaded with special firmware. Most firmware hacks are free software. This is similar to the modern UEFI firmware, which is used on newer PC hardware. The device had Xiaomi's MIUI firmware along with Android installation. ROM images of commercial games, firmware, etc. This was patched out by Nintendo in System Firmware 11.3. These are examples of screensavers in ROM or the firmware of a computer. Subsequent Macintosh models shipped with the newer firmware. They found zero day vulnerabilities that allowed them to install new firmware. Some of the OEM firmware is Linux based.