Why the log can’t be synced
If the App shows “Response Status code was unacceptable: 500.”
It indicates some dive logs in the mission one are broken when restarted after a long period of extreme no-battery status.
To be able to sync log again. The only method is to go to SEETING > SYSTEM > CLEAR ALL LOGS. It’ll ensure the watch can sync with app again.
Avoid extremely low battery status. Charge and power off the Mission one every 2-3 months if not in use.
Please update the firmware to fix it: Firmware Update
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If it is not above issue. Please try unpair and re-pair again:
iOS – Fail to Pair / Can’t find MISSION ONE / Can’t sync / Re-pair
Android – Fail to Pair / Can’t find the MISSION ONE / Can’t sync log / Re-pair
Contact us for more help: (Fb message) https://www.facebook.com/atmosocean