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A full reset didn‘t help. Also a rollback from 4.30 to 4.00 didn‘t help. Seems the Tread App with version 2.07.33 is the problem.

Today i installed the new Firmware 4.30. Also the Tread App on the iPhone got a new update.
Now the Synchronisation is not working anymore.
New Tracks from the explorere Cloud will not be transfered to the XT2.
Does anybody has the same problem?
Thx lpop

Cool. This bug was really annoying. Thanks for testing it and the positiv feedback.

I had the same problem, i guess since Firmware 3.80.
Since last week, there exist a Firmware 3.90 with the Solution: „Improvement of Device stability“
I had no time to test it, if this fixed the error.