Since the EVX-261 is a digital (DMR) radio, it supports basic text messaging. According to the Motorola Solutions Documentation Portal , you can manage texts as follows: Vertex Standard CE-156 EVX-261 Programming Software
It is proprietary commercial software.
Without this software, the radio functions only with the factory default settings—which likely won’t match your organization’s license or needs. motorola evx-261 programming software
The Motorola EVX-261 programming software (often referred to by its file nomenclature, CE152 or EVX-CEST) is a proprietary Windows-based application that allows users to read, configure, and write data to the EVX-261 radio. Unlike simply adjusting volume or channels via the physical knobs, this software provides deep access to the radio’s internal codeplug. Since the EVX-261 is a digital (DMR) radio,
Once you have acquired the CPS, run the installer on a Windows PC (Windows 7, 8, 10, or 11 are generally supported). Follow the prompts to complete the installation. The Motorola EVX-261 programming software (often referred to
: The FIF-12 USB Programming Interface acts as the converter between your PC's USB port and the radio.