Boost Mobile review: Not honoring promotions. 1

In December 2024, I responded to a promotion of a year's free service with purchase of a new cell phone and a 2nd line at 50% for the first year. I purchased a new iPhone 16 Pro Max that qualified me for the years free service. Attempting to add a 2nd line (bringing an existing phone) was not so simple. The online system they offer would allow me to add the second line but would not show the 50% annual discount. I called and spoke with customer service for assistance. They tried to assure me that once the order was placed, the system would show the correct promotional rate. It didn't, which prompted another call for help. I was then told the billing would indicate the correct rate. It doesn't! Several hours and escalating through 3 representatives, I was given the following information:
1. The 2 lines were not purchased at the same time. They were but due to their system it would not allow me to add both lines on the same order.
2. The promotion only applied to prepaid accounts and my account was a postpaid account. This is not what was advertised and was confirmed to be in error by another representative.
3. The 2 lines weren't activated at the same time. This would have been impossible since the newly purchased phone was activated using an e-sim and the 2nd line required them sending me a sim card which was used to activate upon receipt.
4. I could not get 2 promotions with one purchase. Again, this is not advertised that way and the representatives that helped in the beginning never indicated that, in fact, just the opposite.
5. Finally, and the reason for my complaint, is the last supervisor I spoke with claims that they had done everything correctly and would not change the billing as I excepted them too. Then she promptly said she was closing the complaint and hung up the phone! Offensive customer service in my opinion.