Allow Apps to Request to Track

jadaht Said:

"Allow Apps to Request to Track: yes, thank you for helping, it is the correct date, but still not working:("

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You are welcome.

Contact Apple Support:

As you might suspect, no one here's access to your account. So, contact Apple Support. Ask to perform a screensharing session of your iPhone. They’ll see this firsthand form your perspective, and will run you right through the fix.

Contact Apple Support:

• Contact Us - Choose Locations
• Proceed from there as necessary

Note: Phone calls are taking a bit to go through at the moment, due to lots of calls. With the Coronavirus Pandemic, many are at home at the moment, with much time on their hands to contact Apple. So, just stay on the line, and you will get through :)

jadaht Said:

"Allow Apps to Request to Track: I am over the age of 18! what do I do"

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Try what is here: Update the Birth Date Associated with your Apple ID - Apple Support