Turkcell Postpaid Line Billing Issue After Promised Monthly Price at Signup
I visited the Turkcell Gaziantep Gazikent Burak Mahallesi Özdemir branch to obtain a new postpaid mobile line. I was exp...licitly assured that my monthly bill would not exceed ₺450 and that there would be no additional charges. I was persuaded to sign up based on this guarantee. However, my first bill