'Just to set the record straight on this quarter, T-Mobile delivered the best overall postpaid net additions in the industry, the best postpaid service revenues in the industry, the best EBITDA growth in the industry and the best cash flow growth in the industry.

T-Mobile CEO Mike Sievert says it's full steam ahead into the holiday season even as competitors aggressively discount 5G smartphones and the brand seeks to battle back from an August cyberattack.