This is according to a report from Nikkei in which it was reported that Apple had cancelled the production boosts that it had initially asked for from suppliers such as Foxconn and Pegatron. According to Nikkei’s source, “For the Foxconn side, it first prepared nearly 60 assembly lines for Apple’s XR model, but recently uses only around 45 production lines as its top customer said it does not need to manufacture that many by now.”
The report also claims that Apple had previously reached out to another supplier, Wistron, to standby for rush orders, but sources in the supply chain are claiming that Wistron has yet to receive any of those orders and aren’t expected to this holiday season. There were some who expected the iPhone XR to do well due to the fact that it is a considerably cheaper model compared to the iPhone Xs and Xs Max, and for the most part featured the same specs.
It is unclear as to why the handset isn’t being as well-received as Apple would have liked, but it seems that Apple is now boosting the production of older iPhone models such as the iPhone 8 and 8 Plus.