What code should I enter to pair with my ZeFit2 pulse ? October 21, 2015 15:49 Updated No password is required to pair ZeFit2 to your mobile phone, you should download the App and follow the instructions given on screen. The Apps can be found on this page. Related articles How do I pair my ZeFit2 Pulse before using it for the first time? How to use the chronometer (stopwatch)? Where can I find ZeFit2 Pulse Android App? 3. How to update your ZeFit2 ? ZeFit2 Pulse does not show the correct time, what should I do ?