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If you get an error message while buying apps or music, or you are no longer receiving emails from your iCloud account, then maybe it's time to go to the to look at Apple's central status page. On this website, Apple uses green and orange circles to indicate the status of the individual services. Especially in the last few days there have been more problem reports with iTunes purchases, screen time, the iCloud keychain and the synchronization of bookmarks in Safari via your own iCloud account.
As an Apple user, you should bookmark two URLs so that in the event of problems you can quickly check whether it may not be due to your own system, but rather to global problems that Apple is having with its services.
If you cannot find a cause for your problem on these pages, you can - if you still have a reasonably new device - here contact Apple support.
What I find positive about the overview is that problems that have been resolved are also marked there. In this way you can later see whether there was actually a malfunction in a service that would explain the strange behavior of the Mac, iPhone or iPad.
Of course, I got it wrong myself yesterday and tried desperately to solve a problem on my wife's iMac where the Mac reported that it could not open the keychain. I tinkered around for a good hour and even got the keychain files from one Backblaze backup fetched, but nothing helped.
This morning the error suddenly disappeared and I was still wondering why it just vanished into thin air. If I had looked at the page with the system status, I would have noticed that there is an orange circle on the "iCloud keychain" service indicating problems. You can see: Sir Apfelot is not learning too much. For this reason I have recorded my findings right here in the article. ;-)
The system status page shows the current status of the following services
Apple naturally offers additional services for developers, but these are not listed on the more well-known status page. That's why you still look up as a developer this system status overview past. You may see individual failures here, which explain why it hangs in the app development or activation.
Jens has been running the blog since 2012. He appears as Sir Apfelot for his readers and helps them with problems of a technical nature. In his free time he drives electric unicycles, takes photos (preferably with his iPhone, of course), climbs around in the Hessian mountains or hikes with the family. His articles deal with Apple products, news from the world of drones or solutions for current bugs.