What to do, My iPhone 6s not processing the iOS 15.2 update?
What to do, my iPhone 6s not processing the IOS 15.2
iPhone 6s Plus, iOS 13
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What to do, my iPhone 6s not processing the IOS 15.2
iPhone 6s Plus, iOS 13
Use internet speed over 15 Mbps (both download and upload) speed for error free update. Avoid latching on to Hotspot or WiFi Extenders
VPN or proxy connections might prevent your device from contacting the update servers.
If you still can't install the latest version of iOS, try downloading the update again:
If you don’t see the update in the list of apps or if the issue happens again, you need to update your device with iTunes.
Try updating iOS after each step.
Use internet speed over 15 Mbps (both download and upload) speed for error free update. Avoid latching on to Hotspot or WiFi Extenders
VPN or proxy connections might prevent your device from contacting the update servers.
If you still can't install the latest version of iOS, try downloading the update again:
If you don’t see the update in the list of apps or if the issue happens again, you need to update your device with iTunes.
Try updating iOS after each step.
See→Updating iOS: common issues and solutions - Apple Community. Note especially the part about old beta releases, the fact that you are on iOS 13 currently sort of hints that you had the iOS 13 beta.
What to do, My iPhone 6s not processing the iOS 15.2 update?