AT & T process to unlock a phone doesn't work and there is no way to contact them

AT & T Customer Service Mobile Phone Service

This is the 3rdsubmission to unlock an i-Phone.  I documented that your process has a flaw in that even if the request is confirmed you will state it wasn’t.  That is why I took screen shots of Request: ***** to show you the tracks. Submission was 5/4 and 5/6 was cancellation.

Here is some background on this phone:

1.    My wife’s phone was stolen in March of 2015 and was not recovered so I purchased a new i-phone 6 plus at Best Buy.

2.    My wife was using AT & T at the time.

3.    Two years ago we moved the carrier to Straight Talk as I was retired and we could no longer afford AT & T charges.  I installed a SIM card from Straight Talk and it worked fine.

4.    We are taking a trip to Europe and need international phone service and Straight Talk doesn’t offer this service so we searched for another carrier that does.  We found T-Mobile had such a service at a price we could afford so we moved on this.  It required placing a T-Mobile SIM card in the phone.  For this phone it would not activate due to the AT & T lock on the device which was confirmed by Apple.

5.    I (Dale Yothers) found the “Unlock the phone” process from AT & T and it won’t work for me although it seems I properly followed the correct steps.  Had do we unlock this phone which I paid over $1200 for over 4 years ago?  I found no way to call the correct person at AT & T. When I called customer service they said I need an account number which doesn’t exist as we haven’t used AT & T in years.  It makes no sense to me that this device can not be unlocked.

Dale

I images of AT & T acknowledging my Request and then cancelling saying I didn't acknowledge. This is the 3rd iteration.

This is an i-phone 6 PlusPhone

[Personal Information Edited by Moderator]