Many apps won’t open after 17.4 update

Wishful thinking they continue to have issues. With the update you rebooted so you fixed the issue, but from my testing they will break again and need to be rebooted again.

To the OP and All Participants...

"Many apps won’t open after 17.4 update: Since the software update. Many apps will open, freeze on the loading page and then just shutdown. Have tried force closing the apps, restarting the phone several times, deleting the apps and reinstalling them, yet nothing seems to working. Any ideas?"

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Report this to Apple:

Do your Part: Provide Apple with feedback on this, letting them know about this issue.  Apple may not get back to you directly, but the more feedback they receive on this, the more they will know what is occurring, and what bug fixes to include in updates to come. Apple will know nothing of this, if you don't report it to them.

1. Go Here: Feedback - iPhone - Apple
2. Select: "Bug Report" for the "Feedback Type"
3. Comment: that this all began after installing an update. Include the URL of this thread.
4. Proceed from there as necessary

iOS updates aim to enhance user experience, boost security, and fix bugs rather than disrupt core features. App issues after updates might stem from underlying, unmentioned factors. Updates won't typically alter personal data but may refine settings or features. Backup before major updates for safety. Review Apple's update details and backup advice for a smooth process.

Kindly consider checking your settings and addressing any device issues before attributing the issue to external factors. This could be a pure coincidence that the iOS update affected the iPhone app functions.

See what each update does: About iOS 17 Updates, About iOS 16 Updates, About iOS 15 Updates, About iOS 14 Updates, About iOS 13 Updates, About iOS 12 Updates, and so on...

I am having the same issue even with 17.1 update. The apps freeze, touch screen stops responding and then finally cant even restart the phone. I can only use siri to shutdown the phone and then when it reboots, its okay for some time.

Can’t be sure we are experiencing the same issue. Twice over the last month or two (which could very well mean post i(Pad)OS 17.4), launching some apps resulted in an almost completely white screen showing up and than ‘moving’ back down. This procedure might take what seems only a fraction of a second, though occasionally it might last two seconds. Two or three apps were affected but then I didn’t launch a dozen of apps to test this. Restarting my iPhone or iPad changed nothing.

The first time this happened, the affected apps had an online component (like looking up time tables, fetching new weather data) but then a lot of apps do so. I somehow changed something with regard to network connectivity (like switch from cellular to WiFi) and that apparently fixed it. The second time it happened I was on a weak phone hotspot and I saw a brief message about the app (Numbers) needing to connect to the App Store. The issue disappeared after connecting to a good WiFi connection.

My working theory is that a weak internet connection triggers this issue. Maybe a ‘bad’ public WiFi, ie, one where one is able to connect to the WiFi network but one doesn’t get through to the internet throws things into a loop. As in both cases I was connected to a public WiFi, the second time it was definitely a ‘dead end’ WiFi before I switched to tethering via a weak cellular signal. In both situations I was in crowded train or platform.

Ever since the 17.4.1 update my books will not open up on Books - please fix. It is very frustrating and I read every day many books.