Apple Inc. (NASDAQ:AAPL) is now shipping the iPhone 5s within 24 hours in almost every country now. The GSM version of the SIM-free iPhone has also been improved to a shipping estimate of 3-5 business days. There was a shortage of iPhone 5s devices at one point, especially the gold models. The shipping estimates dropped to 7 to 10 days only a few hours after the phone was released. It also dropped further to 2 to 3 weeks. Apple ramped up iPhone 5s production over the last month and scaled back on the iPhone 5c. Even the in-store iPhone 5s devices are almost at 100% availability.