Twiddler

Here are the steps to upgrade your firmware:

1. Plug the Twiddler 4 into USB.
2. Identify which firmware you are running by opening a notepad on the host device and pressing T0F1R on the Twiddler. The firmware version will be shown after the “ver=”
3. Put the Twiddler to Sleep by pressing T023
4. Download and unzip the latest firmware here: Twiddler Firmware
5. Rename the bin file to Twiddler.bin

1. Enter Bootloader Mode. (T014 Touchpad Click)
2. Copy Twiddler.bin to the Twiddler.
3. Unplug the USB Cable.
4. Wait until programming is complete.

1. Once programming is complete, Press T0F1R to Erase Bluetooth Pairs. This is an important step. You will need to re-pair Bluetooth Hosts again.
2. Confirm the new firmware is running by opening a notepad on the host device and pressing T14F2R on the Twiddler. The firmware version will be shown after the “ver=”