: Some models, like the X1P, require a dedicated firmware lead with a toggle switch to enable update mode. The Upgrade Process Enter Download Mode

Always ensure your Customer Programming Software (CPS) version matches or exceeds the firmware version on the radio.

Firmware Hot is a feature in Hytera devices that allows you to update the firmware without using a computer or a programming cable. This method uses a special firmware file, called a " Firmware Hot File", which is loaded onto the device via a USB drive or an SD card.