Locked Out, Forgot Lock or Restrictions Passcode, or Need to Restore Your Device: Several Alternative Solutions
Forgotten Restrictions Passcode Help
You will need to restore your device as New to remove a Restrictions passcode. Go through the normal process to restore your device, but when you see the options to restore as New or from a backup, be sure to choose New.
Also, see iTunes- Restoring iOS software.
You can use iTunes, Find my iPhone or Recovery mode to remove the passcode. However, it's a bit complicated for novice users for me because i have tried the methods recommended by Apple. A portion of my important data got lost when I restored my iPhone by using iTunes. So make sure you know about the pros and cons of each method. For me, I'd prefer to use some app instead, which is much more easier and risky free.
Credit: How to Unlock iPhone Passcode without iTunes
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Forgotten Screen-Lock Passcode
Connect the iOS device to your computer and try to make a backup
Then restore via iTunes. The iOS device will be erased. Place the iOS device in Recovery Mode if necessary to allow the restore.
If recovery mode does not work try DFU mode.
For how to restore:
To restore from backup see:
If you restore from iCloud backup the apps will be automatically downloaded. If you restore from iTunes backup the apps and music have to be in the iTunes library since synced media like apps and music are not included in the backup of the iOS device that iTunes makes.
You can redownload most iTunes purchases by:
If problem what happens or does not happen and when in the instructions? When you successfully get the iPod in recovery mode and connect to computer iTunes should say it found an iPod in recovery mode.