The icons can be changed using "Font Awesome" application.
More information is given below
- Login to Salesforce Admin ID
- On the new Tab go to the Font Awesome application " https://fontawesome.com"
- Click on Icons button on the Font Awesome screen
- Give a search for the Check-in type
- Select the Icon and Click on it
- The page is diverted to the details screen
- Select the icon number and paste it in the "Choose an Icon Field" on the Check-in Config page (you can add the Icon number for Individual Time User or for Team Time User) check-ins
- Save the Changes by clicking the save button.
To see the Icon changes to be available on the Mobile Screen, please log out of Mobile Time Tracker Application on the phone and re-login.