Firmware Upgrade
The 2X-M has the ability to upgrade the firmware over USB using a PC-based application. No
special tools are needed.
Firmware upgrades requires that the 2X-M be started in bootloader mode. Hold the ‘INPUT’
button down while connecting the 2X-M to a PCB via USB cable. The LED indicator should
remain solid RED.
If the upgrade process fails, simply restart by powering off the device and re-entering the
bootloader. Since the bootloader resides in a protected region on memory on the
microcontroller, bricking the device is extremely unlikely.
To exit bootloader mode without upgrading, disconnect the microUSB cord from the 2X-M,
then reinsert without holding the ‘INPUT’ button down.
Detailed and firmware files may be found on www.retrotink.com.
THE 2X-M HAS A CUSTOM FIRWMARE BASE. DO NOT USE 2X-M FIRMWARE ON ANY
OTHER DEVICE OR VICE VERSA.
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