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Previously iCloud Drive worked fine on my iPhone (15 Pro), but within the last couple of months it seems to have died. It continues to work fine on other connected devices (iPad, MBP etc), but will not work on iPhone. This issue seemed to begin roughly around the early 17.4 betas, but was also present in the public release and has continued on to the current 17.5 betas. I initially noticed WhatsApp couldn't back up to iCloud despite all the options being turned on. I assumed this was a WhatsApp issue. But I've recently noticed that Castro hangs on every single load and then crashes. I know that Castro does an initial call to iCloud to check back-ups etc so I went to have a look at iCloud Drive itself on my device - every single time I open Files, iCloud Drive takes 10-15 minutes to load/show anything. So it seems that iCloud Drive is not "holding" any information/content and is then taking an age to load, which is causing these other apps to time-out and crash. Turning off iCloud Drive on the device (a 35 minute waiting process) stops the issues and the apps work fine (aside from now not being able to back-up to iCloud as it's off), but resetting, allowing to re-sync again, does not resolve the issue on the device at all, and if it's turned back on, the apps begin to fail again, and even after a full re-sync it takes 10-15 minutes to load every time. To note; my connection is not an issue, and I have more than enough space on-device to cache/store stuff that's required. Any thoughts on what could be causing the issue and how to resolve?

I can't seem to find any definitive support documentation or process for this, so asking here... Having just purchased the new ATV, I set about resetting my last gen 4K ATV (on the latest 14.7 tvOS beta). It’s currently been stuck on the same screen for approx 1 hour with no progress (on the on-screen progress bar): "Waiting for the update server… Downloading the latest update…" The ATV is hard-wired to a router with a 1GB connection (which is working fine). At this point, can either reset/update process be cancelled (if so, how?), and/or is it safe to unplug and reboot so that I can try again?