269 ResultsMost relevantEscalation of Customer complaint processHello, Is there a better way to escalate customer complaints at T-Mobile? I was only given a fax number and a mailing address for the Executive Response team, with no email address or phone number....SolvedView results from repliesComplaint about a store?Who do I contact to file a complaint about a specific T-Mobile store?SolvedView results from repliesCustomer service representative lied Dear T-Mobile Customer Service, I am writing to you regarding a miscommunication with one of the T-Mobile representatives I spoke with. This past May, I intended to purchase an iPhone 14 P...SolvedView results from repliesCustomer RelationsCristina Molina Central Florida cristinamolina71@gmail.com Dear T-Mobile Customer Relations, I am writing to lodge a formal complaint regarding the d...SolvedView results from repliesPoor Customer Support for Business Customer...ignificantly impacted my business. I hope that this complaint will be taken seriously, and that T-Mobile will take immediate steps to improve its business customer service and technical support. I would a...SolvedView results from repliesComplaint...ive me the refund back. I have screenshots of their customer service rep saying they would refund me in 3-5 business days but they are still charging my AMEX Card. How can I fight this to T-Mobile C...Complaint Regarding Poor Customer Service and Lack of Payment Assistance OptionsTo Whom It May Concern, I am writing to formally express my deep dissatisfaction with the recent experiences I’ve had with T-Mobile’s customer service. As a long-time customer, I am extremely d...Complaint regarding billing and service issues...Over the past several months, I have made multiple calls to your customer service representatives with the intention of removing specific services from my account. Each time, I have only found that o...Assurant Insurance Complaint Been dealing with Assurant and UPS since April 2024 and it has been a complete nightmare. First, the replacement phone they sent was not delivered by UPS, although UPS said it had been delivered. It...How do I file a formal complaint?Switching to Mint, or trying. Our numbers won't port! T-Mobile can see the error but don't know what it means so they called Tmobile customer service for help. Meanwhile, I've e...