Sprint Samsung Galaxy S4 with Spark, receives update to support International Wi-Fi Calling

On Thursday, Sprint sent out an update to its Samsung Galaxy S4 units that support Sprint Spark. The latter is the tri-band LTE network offered by the mobile operator, that offers zippy data speeds to enabled handsets. With Sprint Spark, the phone is able to figure out which of the three bands is best suited for a particular task, which allows for faster wireless service. Today's update allows Sprint Spark enabled Samsung Galaxy S4 users, to call or text using International Wi-Fi Calling.



With this feature, Sprint customers with the updated Galaxy S4 can use Wi-Fi Calling, even when outside ...