September 29, 2026
CTR2-Max firmware release v1.01.02

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This zip file contains the CTR2-Max_v10102.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. 

73, Lynn, KU7Q