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iOS 26.5 Update, Is It Okay to Install Now? Battery, Performance, and Bug RoundupA review after using the new iOS 26.5 update on the iPhone 17 for two days. This provides a comprehensive analysis of battery life, performance, heating issues, and user feedback to help you decide whether to update.
1. 🔋 iOS 26.5 Battery Performance and Lifespan Test Results
· After the iOS 26.5 update, the iPhone 17's battery life remains similar to the previous version. In actual use, after charging to 90% yesterday morning, 25% remains, with about 5 hours of screen time yesterday and 1 hour today.
· Battery consumption is average when using daily apps like YouTube, Amazon, and WhatsApp.
· While there's no noticeable improvement in battery performance compared to previous updates, the issue of rapid battery drain seems to be resolved.
· Overnight battery drop is a very stable 2%.
· You can expect similar battery backup to the previous update (iOS 26.4.2 or 26.4.1). It's not exceptionally outstanding, but it's worth considering if you're on a previous version.
· Battery consumption is average when using daily apps like YouTube, Amazon, and WhatsApp.
· While there's no noticeable improvement in battery performance compared to previous updates, the issue of rapid battery drain seems to be resolved.
· Overnight battery drop is a very stable 2%.
· You can expect similar battery backup to the previous update (iOS 26.4.2 or 26.4.1). It's not exceptionally outstanding, but it's worth considering if you're on a previous version.
00:00 - 01:46
1. 🔋 iOS 26.5 Battery Performance and Lifespan Test Results
· After the iOS 26.5 update, the iPhone 17's battery life remains similar to the previous version. In actual use, after charging to 90% yesterday morning, 25% remains, with about 5 hours of screen time yesterday and 1 hour today.
· Battery consumption is average when using daily apps like YouTube, Amazon, and WhatsApp.
· While there's no noticeable improvement in battery performance compared to previous updates, the issue of rapid battery drain seems to be resolved.
· Overnight battery drop is a very stable 2%.
· You can expect similar battery backup to the previous update (iOS 26.4.2 or 26.4.1). It's not exceptionally outstanding, but it's worth considering if you're on a previous version.
· Battery consumption is average when using daily apps like YouTube, Amazon, and WhatsApp.
· While there's no noticeable improvement in battery performance compared to previous updates, the issue of rapid battery drain seems to be resolved.
· Overnight battery drop is a very stable 2%.
· You can expect similar battery backup to the previous update (iOS 26.4.2 or 26.4.1). It's not exceptionally outstanding, but it's worth considering if you're on a previous version.
01:47 - 02:53
2. 🛠️ iOS 26.5 Major Bug Fixes and Improvements
· This update completely resolves lag and stuttering issues. All actions, including swiping notifications, control center, general swiping, scrolling, and launching apps, feel smooth.
· Additionally, the problem where certain wallpapers like 'Calligraphy Kaleidoscope' and 'Unity' wouldn't install or disappeared from the gallery after installation has been fixed.
· According to the release notes, improvements to App Store features, fixes for developer-related issues, and corrections for wallpaper problems are included. Overall, it's an update focused on stability and performance enhancements.
· Additionally, the problem where certain wallpapers like 'Calligraphy Kaleidoscope' and 'Unity' wouldn't install or disappeared from the gallery after installation has been fixed.
· According to the release notes, improvements to App Store features, fixes for developer-related issues, and corrections for wallpaper problems are included. Overall, it's an update focused on stability and performance enhancements.
02:54 - 04:53
3. 🚀 iOS 26.5 Performance Test and Heating Issues
· After the update, the iPhone's overall performance is very smooth. All animations operate seamlessly without lag or stuttering.
· Geekbench test results show good single-core and multi-core scores.
· During testing, the iPhone's temperature was measured at 35.6°C, indicating no heating issues. The device did not overheat even during the Geekbench test, showing good optimization.
· Therefore, iOS 26.5 is evaluated as a stable update that can be used without performance degradation or heating problems.
· Geekbench test results show good single-core and multi-core scores.
· During testing, the iPhone's temperature was measured at 35.6°C, indicating no heating issues. The device did not overheat even during the Geekbench test, showing good optimization.
· Therefore, iOS 26.5 is evaluated as a stable update that can be used without performance degradation or heating problems.
04:54 - 06:33
4. 📊 User Feedback and Network/Storage Issues
· According to a survey of approximately 800 users, 67% reported experiencing good battery backup with iOS 26.5. 7% reported poor battery backup, and 5% reported bugs and heating issues. 21% are using a previous version (iOS 26.4.2).
· Some user feedback indicated positive experiences with improved performance and battery backup, and reduced heating.
· Network performance (Wi-Fi, Bluetooth, AirDrop, Hotspot, Wi-Fi Calling) functions normally without any issues after the update.
· Upon checking storage-related issues, system data is approximately 5GB, which is within the normal range, and no related bugs were found.
· Some user feedback indicated positive experiences with improved performance and battery backup, and reduced heating.
· Network performance (Wi-Fi, Bluetooth, AirDrop, Hotspot, Wi-Fi Calling) functions normally without any issues after the update.
· Upon checking storage-related issues, system data is approximately 5GB, which is within the normal range, and no related bugs were found.
06:34 - 07:12
5. 💡 Final Conclusion: Should You Install the iOS 26.5 Update?
· If you are currently using iOS 26.4.2 or 26.4.1, we recommend updating to iOS 26.5. It can be used stably without any significant issues.
· However, if you are using an older major version like iOS 18, it's better to skip this update, as iOS 18 is likely to offer better battery backup.
· Overall, iOS 26.5 is an update focused on stability and performance improvements, and it is expected to provide a satisfactory experience for most users.
· However, if you are using an older major version like iOS 18, it's better to skip this update, as iOS 18 is likely to offer better battery backup.
· Overall, iOS 26.5 is an update focused on stability and performance improvements, and it is expected to provide a satisfactory experience for most users.