Please follow the below steps to unlock a form, when it has already been locked:


1. The authorised user to unlock the form, must open the form which he/she wants to unlock (there must be lock icon on the form)


2. The user must uncheck the check box appearing on the top left hand corner of the form. A message dialogue box will appear as below.





3.After providing username and password, click submit. The lock icon on the form will get changed to a Tick mark icon. 



4.Now the study nurse will be able to edit the  form in the iPad.