Set Safari® as your default browser, turn on the Covenant Eyes Safari® extension and set the Covenant Eyes Safari® extension Websites setting to "Allow" to fix the "Oops! Something went wrong setting up the Safari® extension" error message.
Fix the Error
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Set Safari® as the default browser on an iPhone®
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Turn on the Covenant Eyes Safari® extension in the iPhone® Settings app
- Set the Covenant Eyes Safari® extension Websites to "Allow" (shown as steps #7 and #8 in the Safari® extension article)