I need the I phone to be trusted I don’t know why failed authentication

Sorry, but that is just not enough information in order for us to be able to assist you with a potential solution.

• Writing an effective Apple Support Communities question - Apple Support Communities

For example:

• Which model iPhone do you have?
• What version of iOS is it running?
• Did you purchase this iPhone new directly from Apple or used from another third-party
• What have you tried, so far yourself to resolve this, other than just posting here?