It is not possible to change the date for a weight entry, just the weight on a specific date
- Tap on the green button Track body measurements
- Tap on Current in the weight section. In this view you can see the history of your weight. Scroll down till you see the first tracked weight - your start weight
- Tap on the number and change it to the desired amount
- Confirm by tapping on green button 'Save'
- Check your weight tracker: your start weight is now updated