Apple has stopped sending key iPhone engineers to China, which means progress on the engineering validation test prototypes of the iPhone 12 has stalled.

Apple readies hardware by passing through stages: engineering validation, then design validation, and then production validation.

Volume production of new mainstream iPhone models to start in 3Q20, say sources […] the planned launch of Apple’s 2020 iPhone lineup, reportedly to come in four models and three sizes, is likely to be in October instead of September.

LG has experienced glitches with one of its production lines earmarked for OLED iPhone screens and has reportedly struggled to meet both quality and volume requirements.

This panel is basically an OLED panel that has touch function built in.

Touch sensor is placed on top of thin film encapsulation inside of a panel.

Touch function in the past attaches a touch film on a panel!

Because on-cell touch OLED panel does not require a separate film.