Update your Preston FI+Z equipment with the latest firmware anywhere there is cellular data or Wi-Fi through your iPhone and the Preston Bluetooth Module.
The Bluetooth Module connects to Preston FI+Z units through the serial port.
In addition, this app creates a local database on your iPhone for storing your HU3 lens data. The lens data can be accessed at any time for upload to your HU3 or shared with other members of the Preston community. Sharing is supported via email, text, Google Drive, Dropbox, WeTransfer or any other file sharing app.
The Bluetooth Module is compatible with the Hand Unit 3, MDR-4, MDR-3, MDR-2, and Video Interface.
Added support for new products.
Up to six family members will be able to use this app with Family Sharing enabled.