How can I add and edit my Contact details?

To add or edit your Contact details:

Tap Profile .
Under your personal details section, tap on the Contact tab.
Tap Add Contact Details / Edit Contact Details to add or edit your contact information (if your details are already filled in).
Fill in or edit the email, mobile number and website URL fields accordingly.
Tap Save to save your changes.

To delete a contact detail:

Hold down your finger on the desired contact detail and swipe slightly to the left.
Tap the yellow Delete button that appears or swipe all the way to the left to remove it instantly.