AT&T has said that it plans to fix the software defect that left some iPhone 4 users with abnormally slow upload speeds, according to a Reuters report. After a number of iPhone 4 users reported the issue earlier in the month, AT&T claimed that the problem was caused by a software defect in its HSUPA Alcatel-Lucent equipment, and that the glitch impacted less than two percent of the company’s wireless customer base. According to AT&T spokesman Mark Siegel, the company now has a software patch that can be used to fix the defect. “This patch will be deployed on a phased basis over the next two to three weeks,” Siegel said. The iPhone 4 is currently the only smartphone sold by AT&T that utilizes HSUPA technology.