How to unlock your iPhone passcode if you don’t have access to a computer:
This fix will only work if you have installed the Find My iPhone App on your iPhone. You also need to have setup the iCloud backup service on your iPhone too (which is free to do).
- Remotely wipe your iPhone using Find My iPhone. This will remove all of the data on your iPhone so only do this as a last resort.
- Restore your iPhone from your latest iCloud backup. The video below explains how to carry out this procedure.