Do you think people don't complain about CS on Sprint, at&t or t-mobile, they sure do. If your getting bad service, then sure go elsewhere. If you want to save a few bucks and you feel Sprint is a better value, nothing wrong with switching. The grass is always greener as they say. I've left Verizon due to price concerns several times, but always come back. I'm pretty sure Verizon still ranks #1 in customer satisfaction and their network is the best when it comes to call coverage. I've read and heard nothing but horror stories regarding Sprint and their network. Just my 2 cents