Secondary screens keep coming back. A rear panel that shows a selfie preview. A tiny strip that turns into a music controller ...

Apple's Korean suppliers have begun developing smartphone under-display cameras (UDC), paving the way for the first iPhone with a true "all-screen" appearance. According to The Elec, LG Innotek has ...

Under-display camera technology is present only on a few phones. Due to the complexities involved, it is not adopted widely and hence it is yet to become mainstream on smartphones. Having said that ...