Does anyone have an email address for T-Mobile Executive Customer Relations?

being charged for phone devices that were promised to be 100% FREE For signing up as a new customer with two phone lines. 

 Dear T-Mobile Corporate Customer Relations,

I am writing to express my deep disappointment regarding a series of events that have transpired since I subscribed to a T-Mobile plan. As a senior citizen and veteran, I was assured by an authorized T-Mobile representative, Kobi, that I would be eligible for a special Essentials Choice 55+ promotion.

On December 30, 2023, at Ft. Gordon military base, I was informed that I would receive a $60 per month plan for two phone lines, with two new Galaxy 5 flip phones at no cost, as a new subscriber. I was told that I would only be responsible for paying the initial activation fees plus tax for each individual line, with a monthly billing adjustment for the first two months and a maximum of $70 per month thereafter, provided I signed up for auto-draft payment and received a $10 credit ($5 off each line).

I received the phones after a 5-day wait and connected my service, porting my number. Although I preferred Apple iPhones, I chose the Galaxy flip phones due to the promotional offer. However, I have concerns regarding the accuracy of the representation made by the sales representative and the subsequent billing discrepancies.

I would appreciate it if you could investigate this matter and address the issues I've experienced. Specifically, I would like to know why I was not informed about the billing adjustments and why my subsequent invoices were higher than the promised $70 per month. I would also appreciate clarification on the promotional offer and any possible solutions for correcting the situation.  i can be reached to discuss at kcj232003@gmail.com.

Thank you for your attention to this matter.