Apple, which partnered with GT Advanced on sapphire goods, says it will continue to work with state and local officials as it considers its next steps.
GT's filing, which sends company's stock tumbling about 90 percent, surprises the market and suggests a breakdown in its relationship with Apple.
Buyers of the new phone may have to wait a while to get it as Apple supplier Foxconn struggles to ramp up production, says the Wall Street Journal.
China Labor Watch and Green America say the iPhone maker hasn't lived up to its commitments to improve worker conditions in a China factory.
Supply of the latest big-screened iPhone may be limited at launch date. But the problem might be due more to technical issues than heavy demand, according to analyst Ming-Chi Kuo.
Big orders from its top client are propping up the Taiwanese company in an increasingly tough market.
In response to Verizon's plans to move to 5G, AT&T's Glenn Lurie says he prefers to wait until the industry can agree on what the technology will look like before making any proclamations.
But Samsung says allegations China-based supplier HEG Electronics employes children under the age of 16 at its facility are false.
Verizon expects "some level of commercial deployment" to begin in 2017 for next-generation wireless. That's much earlier than the common industry belief that 2020 will mark the start.
The German automotive supplier plucks Seval Oz from Google's self-driving car project to lead a new division focused on intelligent transportation systems.