You Need TIDE, Too
Downloading a new version of the firmware files is a good start, but it's not enough to get you up and running. You also need to get a matching version of TIDE.
Legacy TiOS Firmware and Platforms
These are files for platforms that are no longer being actively developed. These will not get any new features or bugfixes; please use them only to support your existing installations.
How to Upload the Firmware
The video below shows how to upload new firmware onto your Tibbo device.