The delay covers the online ordering of the Samsung Galaxy S4. T-Mobile has said that it will have the phone in stores on May 1st. In the stores or online, the 16GB Samsung Galaxy S4 will require a down payment of $149.99 with the balance to be paid off in monthly installments of $20 over the next 24 months
So far, no other carrier has announced a delay in the launch of the Samsung Galaxy S4. AT&T has actually managed to move up the launch of the handset with the phone arriving in its stores this Saturday, April 27th. Some AT&T customers who pre-ordered online will be receiving their phone as early as Thursday.
source: T-Mobile via TmoNews