User level: Level 1 (4 points)Is it worth updating the iPhone 13 Pro to iOS 27.0.1? Will the phone's battery change? Smoothness and speed of work? Will it lag? Current version of IOS 18.6.2
Posted on Oct 21, 2026 12:19 PM
User level: Level 10 (242,520 points)Oct 21, 2026 12:40 PM in response to nofido67
nofido67 wrote:
Is it worth updating the iPhone 13 Pro to iOS 27.0.1?
Yes. It includes security patches and fixes that should be applied.
Will the phone's battery change?
Unknown, there may be extra battery usage right after updating while the phone finishes up the optimization, indexing and cleanup process after updating.
Smoothness and speed of work? Will it lag? Current version of IOS 18.6.2
Should not be affected in any noticeable way, but as alwasy YMMV.
Do note the UI change will be fairly important and noticeable between iOS 18 and 27. There will be differences to take into consideration alongside new features and changes to how some things are done.
Apple Intelligence and Siri AI are not supported on an iPhone 13 Pro.
User level: Level 10 (280,982 points)Oct 21, 2026 12:48 PM in response to lkrupp
lkrupp wrote:
You will continue to receive occasional security updates but no new features going forward.
That is incorrect. The Original Poster stated (s)he is using iOS 18.6.2 on an iPhone 13 Pro. The latest version of iOS 18 is iOS 18.7.10, but it was only available for those iPhones that could not use a more current iOS version (iPhone XS, iPhone XS Max, iPhone XR).
User level: Level 7 (28,946 points)Oct 21, 2026 12:37 PM in response to nofido67
If your iPhone 13 Pro is doing what you need it to then there is little need to update to iOS 27. You will continue to receive occasional security updates but no new features going forward. iOS 27 introduces many improvements in features and capabilities. The big one is greatly improved Apple Intelligence and integration into apps.
So if you are interested in new features and better AI go ahead and update. Ignore all the cruft being spread around. For the vast majority of users iOS 27 is perfectly useable and stable. These forums do not in any way represent the experiences of the majority of common users.
User level: Level 10 (280,982 points)Oct 21, 2026 12:31 PM in response to nofido67
You should always keep all your Apple products updated to the latest operating system version.
About Apple software updates - Apple Support
User level: Level 10 (124,115 points)Oct 21, 2026 12:54 PM in response to nofido67
Hello~ What is your current battery health? If close to 80% you may want to consider having your battery changed by Apple or a new iPhone altogether. I would concerned by two good size iOS updates if my battery was low.
Urged by a dear friend … I just updated from a 12 mini to an iPhone 17 Pro and I am delighted. The performance and new features are worth the upgrade. The cameras are wonderful as well.
~Katana-San~
Originally posted at discussions.apple.com/thread/256380415