Download the INSTRUMENT 1 Editor from artiphon.com/downloads or the INSTRUMENT 1 app from the iOS App Store. The most up-to-date firmware is always available in these apps.
iOS
To restore your instrument's firmware on iOS, open the Artiphon companion app with your INSTRUMENT 1 powered on and connected via the included Mini USB to Lightning cable, and tap the Artiphon logo in the top right corner of your screen. Tap "Launch Firmware Updater," and you should see firmware version 1.1.28 listed. Select this version and your instrument will restore/update to the latest firmware.
Mac/PC
To restore your instrument's firmware on Mac or Windows, simply download and open the Editor application with your INSTRUMENT 1 powered on and connected via the included Mini USB to USB cable. Then, navigate to the top menu bar, click the HELP selection, and choose "Restore INSTRUMENT 1 Firmware" from the dropdown. After restoring and allowing your instrument to power cycle, you should be prompted to update to the latest firmware version 1.1.28.
Mac/PC
To restore your instrument's firmware on Mac or Windows, simply download and open the Editor application with your INSTRUMENT 1 powered on and connected via the included Mini USB to USB cable. Then, navigate to the top menu bar, click the HELP selection, and choose "Restore INSTRUMENT 1 Firmware" from the dropdown. After restoring and allowing your instrument to power cycle, you should be prompted to update to the latest firmware version 1.1.28.