Unable to unlock LG K7 purchased from T-mobile Store


    I purchased LG K7 from the T-Mobile store. Recently I switched to at&t due to creepy customer service of T-Mobile. I want to unlock the phone, have already requested the unlock from them and they have already received the email from the customer care with the unlock information. However, I am unable to unlock the same using instructions provided. Called Tmobile customer care thousands of times but the issue is still not fixed. Can anybody help me with this ?. Also, can anyone provide the Tmobile customer service Email?. Thank you for the help

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