Overview
This discussion outlines the upcoming release of iOS 26 public beta 1, explaining how to enroll, key considerations regarding storage and performance, and advice for safely updating or reverting to a prior iOS version.
iOS 26 Public Beta 1 Release and Enrollment
- iOS 26 public beta 1 is expected to be released within the next few days.
- To join the beta, go to Settings > General > Software Update, and select the beta updates option when available.
- The option for iOS 26 public beta will appear alongside existing developer and public beta choices when released.
Storage and System Data Considerations
- iOS 26 requires a significant amount of device storage, with the OS itself taking about 20 GB.
- System data usage can fluctuate, with some builds temporarily using up to 40 GB, compared to 9 GB on iOS 18.5.
- Users should ensure they have sufficient storage before attempting the update.
Beta Performance and Battery Life
- Battery life has improved since earlier betas but remains less stable than official releases.
- Running betas can cause increased battery degradation and higher device temperatures.
- Performance has stabilized since beta 3, with expectations that public beta 1 will be based on beta 4.
Downgrading from iOS 26 Beta
- Opting into the beta is easy, but downgrading to iOS 18 requires a computer and is a time-consuming process.
- An iCloud backup made on iOS 18.5 is necessary to revert; without one, downgrading will not work.
- Users of older devices should be especially cautious due to potential performance and battery issues.
Recommendations
- Ensure enough storage space before updating to iOS 26 public beta.
- Back up your device on iOS 18.5 using iCloud before updating.
- Consider potential battery and performance impacts, especially if using an older iPhone model.