Apple iPhone 6S pre-orders up more than 30% at T-Mobile by Philip Elmer-DeWitt @FortuneMagazine September 23, 2015, 6:21 AM EDT E-mail Tweet Facebook Linkedin Share icons The flamboyant Legere broke the news shortly before unveiling a promotional offer whereby iPhone owners can trade up to an iPhone 6S at T-Mobile on opening day—Friday, Sept. 25—for as little as $5 per month. Sales of the new phones begin at 8 a.m. local time in Australia, Canada, China, France, Germany, Hong Kong, Japan, New Zealand, Puerto Rico, Singapore, the UK and the US Apple says it will have product in stock for walk-in sales, and is advising customers to come early. Will there be long lines at the flagship stores? Tune in Friday. UPDATE: Apple has stopped taking Friday pre-orders. Walk-in customers are still welcome. Follow Philip Elmer-DeWitt on Twitter at @philiped. Read his Apple AAPL coverage at fortune.com/ped or subscribe via his RSS feed.