WHY????

MY PROFILE REFUSES TO CHANGE. IT STILL HAS THAT DUMB ONE FROM MONTHS AGO AND I HAVE NO IDEA HOW TO FIX IT I SUCK AT CODING AND EMAILING SPACEHEY ABT THIS IS BASICALLY IMPOSSIBLE UNLESS I DOWNLOAD A DAMN APP (MY PARENTS HAVE TO APPROVE MY APPS) DOES ANYONE KNOW WHAT TO DO?????? PLEASE IM FRUSTRATED I SWEAR TO GOD