: If the error occurs during a flash/restore, download the firmware manually from . In 3uTools, use the
Observed symptoms (assumed from typical reports) 3utools failed to access folder error code 13 new
Error 13 is essentially the OS telling 3uTools: “You don’t have the right to access that folder.” : If the error occurs during a flash/restore,
. This often happens during data backups, restores, or firmware flashes if the software cannot read or write to the destination directory. Common Causes Permission Denied Common Causes Permission Denied Try the operation again
Try the operation again. This often bypasses folder access restrictions immediately. 2. Check for File Locks (Close iTunes/Antivirus)
: Temporarily disable Windows Security Real-time Protection or any third-party antivirus software. These programs frequently block 3uTools from accessing sensitive system folders during flashing or jailbreaking.
Do not let a permission error stop you from using one of the most powerful iOS management tools. Follow these methods sequentially, and you will restore full functionality within ten minutes.