How to Uninstall Cydia Completely

The most reliable way to completely uninstall Cydia and remove a jailbreak from your iPhone is to restore the device using iTunes or Finder on your computer. First, create a backup of your data via iCloud or a local computer backup. Connect your iPhone to your computer, select your device, and click on Restore iPhone. This process will wipe all jailbreak files and install the latest official version of iOS. Once the restore is finished, you can choose to set the device up as new or restore your data from the backup you created. Note that if the issue persists after restoring a backup, some jailbreak preference files may have been saved in the backup, and a clean setup without a backup restore may be necessary.