KGI Securities, among the first to report the next iPhone will use an in-cell touch panel, today claims Apple (NASDAQ:AAPL) is struggling with unsatisfactory component yields for its upcoming products. This leads the firm to cut its estimates, though it still thinks Apple's early embrace of in-cell tech will give it a 1-2 year lead in panel quality over rivals. 8 days ago, Digitimes reported Q3 iPhone production has been hampered by low in-cell panel and dock connector yields.