My tracker no longer has the right date/time

If you have not used your tracker for a long time and the battery was completely discharged, you must synchronise to update the date and time.

*credit to Sylvain of iHealth Labs EU

https://helpcenter.ihealthlabs.eu/hc/en-gb/articles/205767202-iHealth-AM3-My-tracker-no-longer-has-the-right-date-time-