October 28, 2026
CTR2-Max firmware release v2.00.001

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This zip file contains the CTR2-Max_v20001.bin firmware. It is used to flash the CTR2-Max firmware on to CTR2-Max hardware. 

Windows and Mac users can use ESPConnect, a browser based flash download tool. The Flex WiFi mode and MIDI mode manuals have been updated with information on using this new tool.

To download these files to your device, extract them into a folder then use the instructions in Appendix A: Install or Update CTR2-Max Firmware section in the CTR2 manuals. 

If you have CTR2-Max v2.00.00 installed on your CTR2-Max, you can use the new Firmware Download feature in AetherSDR's CTR2 Relay panel (Settings -> Controllers -> CTR2...) to flash this firmware. Just select the zip file in the CTR2-Max Firmware Lynovation tab, click the Bootloader button, then click the Install... button. AetherSDR will save a backup copy of CTR2-Max's current flash memory, then flash the updated firmware to it.

73, Lynn, KU7Q