Here are the steps that has to be followed in-order to create a high secure alpha-numeric passcode for iPhone while taking the help of iPhone Configuration tool or a tutorial on how to set a very secure Alpha-Numeric iPhone Passcode.
The first steps requires you to download and install iPhone Configuration Utility from this site http://support.apple.com/kb/DL851
Now from the General section-new profile input a name and identifier for the profile.
Click to select the Passcode section for the new profile. When prompted click the Configure button.
Now you can now specify the requirements for your password. Select the Require passcode on device then configure the many settings possible.
These settings include:
– Require alphanumeric value
– Minimum passcode length
– Minimum number of complex characters
– Maximum passcode age
– Passcode history
– Grace period for device lock
– Maximum number of failed attempts
A new email will be created with the mobileconfig file already attached. Email this file to an address accessible on your iPhone.
Access the email on your iPhone and press to open the attached mobileconfig file.
From the Install Profile screen press the Install button.
A popup window will appear asking you to configure the installation. Press to select the Install Now button.