iOS · iPhone & iPad
Fix iPhone Update Stuck on Preparing Update
Source-checked About 10 minutes
Answer
Check power, Wi-Fi and storage, wait for preparation, restart, delete the downloaded update, and download it again before using a computer.
Check power, Wi-Fi, backup, and storage
Protect irreplaceable local data first: confirm what is already synced or backed up, preserve originals, record available storage, and avoid deleting, signing out, restoring, or reinstalling until the supported checks are complete. For this task, begin by confirming the supported prerequisite: Connect power and reliable Wi-Fi, disable a VPN for testing, and keep enough free storage for download and installation.
Check basic requirements
Connect power and reliable Wi-Fi, disable a VPN for testing, and keep enough free storage for download and installation.
Allow reasonable preparation time
Large updates and busy servers can take time; confirm the progress is truly unchanged before interrupting it.
Delete the update package
Open Settings > General > iPhone Storage, select the iOS update, delete it, restart, and download a fresh copy.
Update with a computer
Back up first, then use Finder or Apple Devices if over-the-air preparation repeatedly stalls or verification fails.
Confirm the downloaded update verifies
Repeat the intended action with a harmless test and confirm this final condition: Back up first, then use Finder or Apple Devices if over-the-air preparation repeatedly stalls or verification fails. Reopen the relevant settings or destination and compare the result with the recorded starting state before relying on it or deleting an original.
Use a computer only after the safe retry
If preparation repeatedly stalls after deleting and downloading the update again, back up the iPhone and use Finder on Mac or Apple Devices on Windows for the update. Choose Update rather than Restore so the next step does not erase the iPhone.
Video walkthrough
If it does not work
- If “Fix iPhone Update Stuck on Preparing Update” remains unresolved, identify which numbered step first produces a different result and preserve that screen or message. Recheck the account, permission, storage, connection, or device prerequisite described above, then follow only the matching Apple Support recovery path; do not combine unrelated resets, bypasses, or third-party repair tools.
Sources and verification
Checked against official documentation on . Scope: iPhone & iPad.
Follow the linked first-party guidance if labels differ after a platform or app update.