The following instructions will add a new customer attribute called Mobile. This attribute will be added to the Customer information only, it will not be added to the Customer Address.
Apologies for the pastebin links, my syntax highlighter is currently out of action.
Create the following files:
Add the following content to files:
See for content: http://pastebin.com/8xeFPJFh
See for content: http://pastebin.com/dTvc1qMW
See for content: http://pastebin.com/VXq0LY7M
See for content: http://pastebin.com/9DFdRnuL
Once you have uploaded these files and clear your cache you will notice a new Mobile input field available in the customer admin section (Customers/Manage Customers/Click Customer/Click Account Information).
Mobile Number is now added to the customer account.
Adding Mobile to Customer Account Edit Form.
See for Content: http://pastebin.com/90huyGAV
Insert the above code around line 46 before <?php $_dob = $this->getLayout()->createBlock(‘customer/widget_dob’) ?>
Adding Mobile to Customer Registration form.
See for Content: http://pastebin.com/mzdFQCbp
Insert the above code around line 57 before <?php $_dob = $this->getLayout()->createBlock(‘customer/widget_dob’) ?>
You and your customers should now be able to add/edit their mobile number.
Please note this has only been tested on Magento 126.96.36.199.