iOS 27.3 beta: Apple releases first developer build for iPhone, with details still unknown | 9to5Mac

Testing begins for iOS 27.3
The first developer beta of iOS 27.3 is now available through Apple’s developer beta program. Its release starts a fresh testing cycle as Apple works toward features expected later this year.
The update is for iPhone, but its complete list of changes has not yet been established. Further details depend on examining the software.
Health app could return
Apple’s redesigned Health app is one change to watch for in this beta. The company first introduced the upgrade during the iOS 27.2 beta cycle. Apple later brought back the previous Health app in beta 4. The company has said the redesigned version is still planned for later this year, making iOS 27.3 a possible release window.
Redesign includes new tools
The planned Health app upgrade includes a feature called Health Age. It also adds the option to schedule lab work through Quest Diagnostics. Whether either feature appears in iOS 27.3 is not yet clear. The beta needs to be explored before its full set of features and changes can be confirmed.
Key points
- Apple has released the first iOS 27.3 developer beta for iPhone.
- The redesigned Health app may return after appearing in iOS 27.2 testing.
- Planned Health app features include Health Age and lab scheduling through Quest Diagnostics.

