Me deleting my e-mail account on my nokia lumia 520. NOTE: To delete your main e-mail account, you need to factory reset your phone: Go to Settings then About then Reset my Phone.Per Microsoft, there is no way to change your main e-mail account so pick your e-mail wisely (I know. it's lame):http://www.windowsphone.com/en-us/how...e deleting my e-mail account on my nokia lumia 520. NOTE: To delete your main e-mail account, you need to factory reset your phone: Go to Settings then About then Reset my Phone.