Zte open c problem with sync calendar via https

Question

I use ownCloud. On my device ZTE Open C use caldav.
When I use url of our CalDAV server http that synchronization is good
When I use https and click SAve -sync not work. I see "Something is wrong. Try again later".
What is the problem ?

Answer 1

Hello,
Thank you for contacting Mozilla Support! After reviewing the information that you provided, we think that the best way to fix this issue would be to reset your device.
'''Warning:''' '''''Resetting your phone will delete all data stored on the device, including apps, calendar data, email accounts, and settings.'''''
To reset the device, follow these instructions:
# Open the [[Image:Settings App (small)]] '''Settings''' application.
# Tap on the '''Device Information''' button.
# Tap on the '''More Information''' button.
# Tap on the '''Reset phone''' button.
# Tap '''OK''' to reset your device.
We hope that this fixed the issue you were having. Please report back to us if this helped!
Thank you!