IQ-900 Zen Firmware Update revision 1F (27/07/11)
Step 1. Download and Read the IQ-900 Zen Product Update Notice (.pdf)
Step 2. Record your IQ-900 dive history in your DataLog Software or logbook..
Step 3. Download and install the IQ-900 Zen 1F Firmware Update (.zip file, 14mb)

*Please note, the Zen Series USB cable (IQ-900-030) is required in order to update the firmware. Please contact your TUSA retailer for purchase information.

IQ-950 Zen Air Firmware Update revision 1D (27/07/11)
Step 1. Download and Read the IQ-950 Zen Air Product Update Notice (.pdf)
Step 2. Record your IQ-950 dive history in your DataLog Software or logbook.
Step 3. Download and install the IQ-950 Zen Air 1D Firmware Update (.zip file, 14mb)

*Please note, the Zen Series USB cable (IQ-900-030) sold with the IQ-950 Zen Air is required in order to update the firmware