Install iOS 15.7.9 If You're Dealing with Problems
If your device has been struggling with bugs and/or performance issues, think about giving the iOS 15.7.9 update a shot.
iOS 15.7.9's change log doesn't call out any new bug fixes, but new versions of iOS often fix unlisted issues.
The iOS 15.7.9 update could fix performance issues like abnormal battery drain, busted Wi-Fi connectivity, UI lag, Bluetooth problems, random reboots, lockups and freezes, and various issues with first-party applications.
If you missed older versions of iOS, you'll get the bug fixes from those updates when your upgrade.
iOS 15.6 delivered three bug fixes. If you've experienced one or more of the following issues, and you missed the previous version of iOS 15, you should download the latest software today.
iOS 15.5 had one bug fix on board. The software fixed an issue where home automations, triggered by people arriving or leaving, may fail. If you've been dealing with that issue, install iOS 15.7.9 immediately.
iOS 15.4.1 brought several bug fixes for lingering iOS 15 problems. Here's the full list of fixes that were on board the firmware.
iOS 15.4 had several important bug fixes on board including:
iOS 15.3.1 fixed an issue that may cause Braille displays to stop responding. If you use this feature, and you missed iOS 15.3.1, you should install iOS 15.7.9 right now.
If you missed iOS 15.3, you'll get its fixes as well. iOS 15.3 patched up an issue with Safari that leaked users browsing history and Google ID, an issue that was first discovered by FingerprintJS.
According to MacRumors, iOS 15.3 also fixed an issue where HomeKit camera thumbnails were failing to refresh within the Home application.
iOS 15.2.1 had two bug fixes on board. If you've been dealing with either of the following problems, and you skipped iOS 15.2.1, you'll want to install iOS 15.7.9.
If you missed iOS 15.2, it had six prominent bug fixes on board:
Apple says iOS 15.1.1 improved call drop performance on iPhone 12 and iPhone 13 models. So if you were having issues with dropped calls on iOS 15.1 or older, and you skipped iOS 15.1.1, you should probably install iOS 15.7.9.
If you missed iOS 15.1, you'll get its fixes with your upgrade as well. Fixes on board the iOS 15.1 update included:
If you skipped iOS 15.0.2, you'll get its fixes with your upgrade. Here's what iOS 15.0.2 fixed:
If you skipped iOS 15.7.8, iOS 15.7.7, iOS 15.7.6, iOS 15.7.5, iOS 15.7.4, iOS 15.7.3, iOS 15.7.2, iOS 15.7.1, iOS 15.7, iOS 15.6.1, iOS 15.6, iOS 15.5, iOS 15.4.1, iOS 15.4, iOS 15.3.1, iOS 15.3, iOS 15.2.1, iOS 15.2, iOS 15.1.1, iOS 15.1, iOS 15.0.2 and iOS 15.0.1, you'll get iOS 15.0.1's fixes with your upgrade. Here's what iOS 15.0.1 fixed:
If you skipped an iOS 14 update, you will get the bug fixes from any updates you skipped with your version of iOS 15.7.9. Again, the fixes from the update(s) you skipped are baked into your upgrade.
For more about iOS 14's various bug fixes, take a look at our guide.
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