Here’s how to fix ‘Unable to Verify Update iOS 26 is temporarily unavailable. Try again later.’ error when updating to iOS 26 on your iPhone.
With iOS 26 now available, if you’re trying to download the OTA update but are getting the aforementioned error, we might have found the solution to help fix the problem.
The root of the issue is likely due to the corrupt OTA file of iOS 26 being downloaded on the iPhone. This is the reason why you’re not able to install the update after downloading it.
Follow the step by step guide below to fix the problem:
Step 1: Go to Settings > General > iPhone Storage section of the device.
Step 2: Scroll down to find “iOS 26” in the list.
Step 3: Tap on it and then tap on “Delete Update”.
Step 4: Now head back to Settings > General > Software Update section and download the OTA update again.
Step 5: Wait for download to finish. Once downloaded, tap on “Update Now” button to begin installation process.
This time, because you redownloaded the iOS 26 final version OTA file, the dreaded ‘Unable to Verify Update iOS 26 is temporarily unavailable. Try again later.’ error should no longer occur and installation should go ahead smoothly, whether you’re on your iPhone or iPad.
Let us know in the comments section below whether the above issue solved the problem for you or not.
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