User level: Level 1 (5 points)My Ultra 4 has crashed and restarted itself twice in the past 24 hours. Happened twice out of nowhere when I was swimming and working.
Posted on Sep 21, 2026 5:10 AM
User level: Level 9 (64,078 points)Sep 21, 2026 8:03 AM in response to GWMV33
Try a forced restart. Press and hold the Digital Crown and side button at the same time. Hold them both until the white Apple logo appears and then release. Try it for a few days. If it happens again, you’ll need to unpair and the re-pair your iPhone and Ultra Watch.
The other option is to return the Ultra Watch during the 14 day return period. If you purchased your watch from another merchant consult their return policy.
Originally posted at discussions.apple.com/thread/256361857