Samsung sm-g715u model number 'mck' code
I'd contact the seller and ask for a refund.
Thank you for bringing this concern to our attention, Umrera. We are always available for support and can investigate this further with you to get your device up and running. Please be on the lookout for a Private Note from us offering support.
-Christy
We sent a private message to gather specific information about your device. Please respond in private as soon as you're available.
All Verizon devices that meet the requirements, unlock automatically after 60 days. https://www.verizon.com/support/device-unlocking-policy/
Depending on the situation, and how the device was sold, we can assist with general information. In order to discuss specifics, we would need to discuss the information with an authorized party that is listed on the account where the device was purchased.
If any equipment was purchased through a third party vendor, and you are experiencing issues, please contact the seller for additional assistance.
-Luis