This upcoming change means you may need to get a new cellphone

SIOUX FALLS, S.D. (KELO) -- If you've been clinging to your favorite old cellphone for years, it's time for an upgrade. Or at least it could be very soon, thanks to a phase-out coming next year.Your service provider will most likely be dropping support for 3G networks in the months ahead. The change will impact customers of AT&T, Verizon, T-Mobile and more.There is no firm cut-off date for what age of phones are too old to continue to function once 3G is phased out, but South Dakota Public U