Within 5 seconds of powering on the radio, press the side button (typically the "Purple" side button ) five times quickly before the self-check beep. The display will cycle through information including: HOST: The core operating system version. DSP: The digital signal processing version.
: The official Motorola software used to communicate with the radio. xts5000 firmware
: Fixes for bugs that could cause the radio to freeze or experience "Out of Range" errors on modern P25 systems. How to Upgrade Updating the Within 5 seconds of powering on the radio,