How do I change my user name? October 18, 2017 07:57 Updated From the ZeTime mobile App Go on the Settings tab. Click on My Profile. Click on User field. Tap your User name. Click Save. Related articles How do I download the MyKronoz app? How does synchronization work? How to setup my ZeRound with an Android device? MyKronoz Academy - ZeCircle2 Tutorial How do I sync my data?