By CHRIS COLLINS and JULIE CUNNINGHAM
(undated) – If you’ve got an older cell phone, you may soon have to upgrade it. Local public safety officials say major cell phone carriers are in the process of phasing out 3G networks. All cell phones and public safety devices that use the old 3G networks will lose all cell phone and data service including the ability to call 9-1-1. Anyone with questions regarding their device can call the carrier or check the mass.gov website. Cell phone users can also use the guide to planning ahead for the 3G shutdown at that same site