T-Mobile USA

Hi that store is fraud I bought a new cellphone Samsung a20 in $110 and it was not working after 2 days then I go back to another metro PC's to show them I thought all same they say u have to go there where u buy and he say that cell price is 70 dollar with tax and I told him they charge me 110 that store did fraud with me and I went back to the store woman manager there is terrible she did not help me I need my all money back pl