I recently wiped my old iphone 5 and gave it to my sister. She bought a new SIM card to put in but still the phone was locked.
How can I completely disassociate it from my account?
iPhone 5, iOS 8.1
First it is a good idea to make sure your carrier unlocks your phone. How to unlock your iPhone for use with another carrier - Apple Support
Next, you prepare your iPhone to be given away.... What to do before selling or giving away your iPhone, iPad, or iPod touch - Apple Support
I want to give my old Iphone 5 to my sister and disassociate it from my account
