We've enhanced our nationwide 3G and 4G LTE networks , which means fewer dropped calls, stronger indoor signals and quicker access to email, streaming music and video and 4G LTE speeds up to 10x faster than 3G.
Sprint is committed to connecting you today and tomorrow with emerging technologies like 8T8R radios that boost our 2.5 GHz signal and Wi-Fi calling, which allows customers to make domestic and international calls over wireless Internet connections.
We're so confident in America's Newest Network that beginning June 27, we're offering a 30-day satisfaction guarantee on new lines of service. If you join Sprint on or after June 27 and aren't satisfied for any reason within the first 30 days, we will refund the cost of your device and waive all service and activation charges.
The next generation of call quality and clarity is available nationwide.HD Voice provides a fuller, more natural-sounding calling experience on HD Voice-enabled phones on the Sprint Network. This is accomplished two ways. First, the octave range of voice calls has been expanded. Second, noise-cancelling technology isolates just the voices on the call, virtually eliminating background noise no matter what it may be.
Sprint Spark is a powerful, enhanced LTE network capability that incorporates three bands of LTE to create a revolutionary tri-band experience. For you, this means our fastest-ever data speeds and stronger in-building signal.