If your mobile phone is more than a few years old, you may need to upgrade your device before your mobile provider shuts down its 3G network, to avoid losing service. For more information on your mobile providers’ plans for 3G retirement and how you can prepare, contact your provider directly.What is happening? Mobile carriers are shutting down their 3G networks, which rely on older technology, to make room for more advanced network services, including 5G. As a result, many older cell phones will be unable to make or receive calls and texts, including calls to 911, or use data...