Although the iPhone 5s has seemingly surpassed Apple’s own expectations, it looks like the lower-cost iPhone 5c has been a disappointment. The Wall Street Journal reports that although the iPhone 5c helped Apple supplier Pegatron record record revenue in its third-quarter earnings report, the company’s operating margin for its manufacturing business was below 1% “and fell in the third quarter due to costs of the production ramp-up” for the iPhone 5c. The Journal says that Pegatron’s sales growth could also get squeezed next quarter because Apple has cut orders for the iPhone 5c after being disappointed by “weak” sales for the device.