The European Union is advancing steps to ensure Apple's iPhone and iPad systems are compatible with competitor technologies under its Digital Markets Act. The initiative aims to prevent Big Tech dominance by mandating system interoperability.

The European Union’s executive arm has started a process to provide Apple with guidance on how the iPhone maker can comply with rules to ensure its operating systems are functional with other technologies.

EU antitrust regulators on Thursday launched proceedings to ensure that Apple complies with landmark rules requiring it to open up its closed ecosystem to rivals. Under the so-called specification proceedings,

Many of the law’s provisions apply not at the company level, but rather only to specific products that the EU designates as core platform services. Apple’s iOS, App Store and Safari received that designation last September,

The European Union antitrust regulators launched proceedings on Thursday to ensure that Apple complies with landmark rules requiring it to open up its closed ecosystem to rivals or risk a possible hefty fine.