238 ResultsMost relevantWorst customer serviceTmobile became the worst customer service carrier since they became TMobile USA. The original TMobile customer service was not bad at all. The TMobile USA has the worst, I mean, the worst of all customer...View results from repliesWorst customer service experience ever...hought your customer service was stellar. People were obviously based in the US, they were eager to help and made sure they got the problem solved. Called back when they said they would w...Worst customer service ever!!!!!!I have been on hold for 50 minutes to speak to a service representative to change my name from nickname to legal name to be able pick up phone in store. Unbelievably poor service.Worst service EVER!!!I contacted customer support to trouble shoot my phone since my service is so terrible. My calls drop, the calls cut out, my messages don’t send and my internet lags to no avail. I hate T- Mobile. D...WORST CUSTOMER SERVICE EVER!!!!!!...ave been a loyal customer and not one person has any empathy or consideration of your needs, I CANT WAIT TO MOVE MY SERVICE ELSEWHERE. Its hard to believe that there is not one person who can click a b...Tmobile is the worst carrierI have been with Sprint since 1997 same mobile # since the day I started my service. Inever had any issues. Great customer service, excellent all the way around. Tmobile mergewas the b...SolvedView results from repliesWORST CUSTOMER SERVICE - TMOBILE SCAMMED ME! BUYER BEWARE!!!...ould be free. Worst service. This was literally a scam. I am so disappointed. TMOBILE IS A SCAM. Do not believe any “promotions” I knew I should have taken screen shots of the promo it was showing.&n...THE WORST CUSTOMER SERVICE EVER!There is nothing worst that your customer service! you have no integrity or respect to your clients ,your promises on the phone are not actually valid for real. each time i have to call 5 t...Worst in store experience ever!...umbers. After being humiliated and frustrated I left the store. I got home and called t mobile. Just like always, great customer service on the phone. Got it figured out and I went back to the store. T...worst home internet ever...bsp; Sadly back on xfinity. Will never recommend this service. Too many bugs still