I closed an XXXX account in 2012 due to I have no signal in my house. I returned the cellphones and was charged a re-stocking fees, XXXX credited my account for the amount due to me, later a received an statement reflecting a debt. I returned to the XXXX store and the manager understood the matter and gave me adjustment form and noted the charges did not apply. Some time later I received another statement and returned to XXXX and explained this all over, I got another adjustment form noting I was penalized incorrectly and told me this was resolved. 
Then, At the beginning of this year I received a letter from Enhanced Recovery Company ( ERC ) LLC collecting an amount for ATT, I responded with a package of all documentation exonerating me from the debt. I never received a clearing letter from the collection company XXXX. 
On Thursday I checked my credit score and realized this account is still reported as on collection on the credit agencies. I contacted the collection company ERC and resend all information, today I received an email were ERC says they returned the case XXXX. I call XXXX customer service and financial office and no one help me. I ca n't get to the right office XXXX to clear my name, in the mean time my credit is affected and I ca n't get XXXX to engage in a conversation to clarify this since XXXX representatives told me that they can not help me since the account is close and there is zero balance. 
I need help in having XXXX clearing their mistake and clear my record, since XXXX in 2012 I have tried to correct it and provided XXXX all the information about this matter, no one has even look at it nor responded to me. 

See attachments. 


Thanks, XXXX XXXX XXXX