$540 via promo credit when you add a new smartphone line with your own 4G/5G smartphone on postpaid Unlimited Plus plan between 5/18/23 - 5/31/23 & port-in req'd. Promo credit applied over 36 months; promo credits end if eligibility requirements are no longer met.
I am in Switzerland and cannot make or receive calls, although i signed up for international calling. i have made and received calls from other countries. why, all of a sudden, can't i make or receive calls? i can make and receive emails and texts. help!